Decking Area Calculator

Use our free Decking Area Calculator for precise deck layout measurements. Instantly calculate square footage for material estimation and budget planning. The best Decking Area Calculator online.

Embarking on a new deck project, whether for a home or a commercial space, begins with one fundamental step: planning. At the heart of this planning phase is the critical task of understanding the project’s scale. This is where a Decking Area Calculator becomes an indispensable digital assistant.

A Decking Area Calculator is a specialized tool designed to take the guesswork out of your project’s most basic, yet most important, dimension: the total surface area. Before a single board is cut or a single screw is driven, knowing your deck’s precise area dictates everything from material purchasing and budgeting to layout design and compliance with local building codes.

Explore the foundational importance of accurately measuring your deck’s footprint and how a Decking Area Calculator simplifies this process.

Why Decking Area Measurement Matters

Accurate decking area measurement is the cornerstone of a successful project. The primary reason it matters so much is material estimation. Decking boards, fasteners, joists, and finishing materials are all purchased based on the total square footage.

A slight miscalculation can lead to significant budget overruns if you under-order and face extra delivery charges and different material batches, or waste if you over-order. Beyond materials, the area measurement impacts design. It helps you visualize the space, plan furniture layouts, and ensure the deck is proportional to the house and yard.

Furthermore, many building permits and zoning regulations have restrictions based on the percentage of a lot that can be covered by structures, making an accurate area calculation a legal necessity. Using a Decking Area Calculator ensures this foundational number is correct from the start.

Who Uses Decking Area Calculations

Decking area calculations are essential for a wide range of individuals and professionals. The most common users are:

• DIY Homeowners: Individuals planning to build their own deck rely heavily on a Decking Area Calculator to create accurate shopping lists and stay within a set budget. It empowers them to plan with the confidence of a professional.
• Professional Contractors: For builders and carpenters, time is money. A Decking Area Calculator provides instant, reliable figures, allowing for rapid quoting, precise material ordering, and efficient project management. It professionalizes their estimates.
• Landscape Architects & Designers: When designing an outdoor living space, the deck is often a central feature. Designers use area calculations to integrate the deck seamlessly into the larger landscape, ensuring all elements are balanced and a Decking Area Calculator helps them model different layout sizes quickly.
• Material Suppliers: Lumber yards and home improvement stores can use a Decking Area Calculator to assist customers, helping them translate their deck dreams into tangible material lists, which builds customer trust and increases sales.

What the Decking Area Calculator Is

A Decking Area Calculator is a digital tool, often found online, specifically programmed to compute the total surface area (measured in square feet or square meters) of a deck. Unlike a generic geometry calculator, a Decking Area Calculator is built with deck builders in mind. It simplifies complex calculations into a few user-friendly steps.

The user inputs the basic dimensions of their deck—typically length and width—and the tool instantly provides the area. More advanced versions of the Decking Area Calculator can handle complex shapes, such as L-shaped decks, by breaking them down into simpler rectangles. The sole focus is to provide a fast, error-free measurement of the deck’s surface, which is the primary number needed for all subsequent planning steps.

Purpose of the Calculator

The primary purpose of the Decking Area Calculator is to eliminate manual calculation errors and provide an immediate, accurate figure for a deck’s total square footage. Its specific goals include:

1. To Provide Precision: To replace rough “guesstimates” with a precise, mathematically correct area measurement.
2. To Simplify Complexity: To handle irregular deck shapes (like L-layouts) by breaking down the math into simple inputs, so the user doesn’t have to.
3. To Accelerate Planning: To give users an instant answer, allowing them to compare different size options or layouts without re-doing complex manual math each time.
4. To Serve as a Foundational Tool: The area figure provided by the Decking Area Calculator is the starting point for all other calculations, most notably material and cost estimation.

How the Calculator Simplifies Deck Planning

Deck planning involves many variables. The Decking Area Calculator simplifies this complex process in several key ways. First, it removes the barrier of mathematics. Many people are not comfortable calculating the area of compound shapes. The DeckING Area Calculator handles this, asking only for simple, direct measurements (like the length and width of each rectangle). This accessibility means anyone can plan a deck accurately.

Second, it allows for rapid iteration. A homeowner might wonder, “What if I make the deck 2 feet wider?” Manually recalculating this, along with all the material needs, is tedious. With a Decking Area Calculator, changing one number and seeing the new result takes seconds. This encourages better design, as users can explore options freely.

A good Decking Area Calculator also simplifies unit conversions, instantly switching between imperial (feet/inches) and metric (meters/cm) systems, which is a common source of error in manual planning.

What the Decking Area Calculator Does

At its core, the Decking Area Calculator performs a specific set of geometric and arithmetic functions. It takes user-provided linear measurements and processes them to produce a total area figure. But its utility often extends beyond this basic function. A high-quality Decking Area Calculator is a multi-step planning assistant.

After calculating the total area, it can often use this figure, along with other inputs like board width and joist spacing, to generate a preliminary material list. This means it doesn’t just answer “How big is my deck?” but also “What do I need to buy for a deck this big?” This integration of area calculation with material estimation is what makes a modern Decking Area Calculator so powerful for both professionals and DIYers.

Types of Deck Layouts It Can Calculate

While a deck could theoretically be any shape, a Decking Area Calculator is optimized for the most common layouts found in residential and commercial construction. These typically include:

• Rectangle / Square: The most common and straightforward deck shape. The Decking Area Calculator computes this using a simple length-times-width formula.
• L-Shape (or Compound Shapes): Many decks are built around corners of a house or are designed with multiple “zones” (e.g., a dining area and a lounge area), resulting in an L-shape. A good Decking Area Calculator will provide input fields for this, typically by mentally dividing the “L” into two separate rectangles. The user inputs the dimensions for “Rectangle A” and “Rectangle B,” and the calculator adds them together for a total area. This feature alone saves users from one of the most common manual calculation errors.

While it may not calculate complex curves or octagons, the Decking Area Calculator perfectly handles over 90% of all deck projects built.

Accuracy and Output Details for Decking Measurements

The accuracy of the Decking Area Calculator is directly proportional to the accuracy of the measurements provided. Assuming the input dimensions are correct, the tool’s mathematical calculation is flawless.

The primary output is always the Total Area, expressed in:

• Square Feet (sq ft): The standard in the United States and Canada.
• Square Meters (sq m): The standard for most other parts of the world.

A sophisticated Decking Area Calculator will also provide outputs related to material estimation, which are derived from the total area. These can include:

• Total Deck Boards Needed: Calculated based on the total area and the width of a single board (plus the gap).
• Total Linear Joists: An estimate of the framing required, based on area and joist spacing.
• Quantity of Fasteners/Screws: An approximation based on the number of board-joist intersections.

This detailed output transforms the Decking Area Calculator from a simple measurement tool into a comprehensive project planning dashboard.

Key Features of the Decking Area Calculator

A truly useful Decking Area Calculator is defined by its features. These features are designed to make the user’s experience as simple, fast, and comprehensive as possible. They anticipate the user’s needs and provide a complete solution, not just a single number.

Input Options

The flexibility of a Decking Area Calculator begins with its input options. A well-designed calculator will include:

• Unit Selection: The ability to seamlessly switch between Imperial (feet, inches) and Metric (meters, centimeters, millimeters) units. The Decking Area Calculator should handle all internal conversions, so a user can enter deck length in feet and board width in inches without issue.
• Shape Selection: A clear choice between “Rectangle” and “L-Shape” (or “Multi-Section”). This toggle adjusts the input fields, guiding the user to provide the correct measurements for their specific layout.
• Dimension Fields: Simple, clearly labeled text boxes for all required lengths and widths. For an L-shape, this would mean separate, clearly marked fields for each section of the deck.
• Material & Cost Inputs: Advanced fields for users who want to go beyond area. These include inputs for individual board width, board length, joist spacing, and even cost per board or cost per box of screws. This is a key feature of a premium Decking Area Calculator.

Calculation Capabilities

The “engine” of the Decking Area Calculator is its calculation capabilities. These range from basic to advanced:

• Core Area Calculation: The non-negotiable function. It must perfectly calculate the total square footage or square meterage for the selected shape.
• Material Estimation: The ability to use the area calculation to estimate the quantity of decking boards (in total pieces and/or total linear feet), the total linear feet of joists for framing, and the approximate number of screws or hidden fasteners needed.
• Wastage Factoring: A crucial feature for accurate budgeting. A professional Decking Area Calculator allows the user to add a “wastage” percentage (e.g., 10-15%) to all material calculations, accounting for cuts, and errors.
• Cost Breakdown: The most advanced capability. By combining material quantity estimates with user-inputted cost data, the Decking Area Calculator can produce a detailed, itemized cost estimate for the entire project, often complete with a visual breakdown or chart.

User-Friendly Interface

None of the features matter if the tool is difficult to use. A user-friendly interface is paramount for a successful Decking Area Calculator.

• Clean and Clear Layout: The calculator should be logically organized, with inputs on one side or top, and clear, easy-to-read results displayed prominently.
• Mobile Responsiveness: A modern Decking Area Calculator must work perfectly on a mobile phone, allowing a contractor or homeowner to use it right in the backyard while taking measurements.
• Instant Results: The calculation should happen instantly as the user types or clicks a “Calculate” button. There should be no page reloads or delays.
• Helpful Visuals: Simple diagrams that change when the user selects a shape (e.g., showing which measurement is “Length A” vs. “Width B”) can drastically reduce input errors and make the Decking Area Calculator much more intuitive.

Mathematical Formulas Used in the Decking Area Calculator

The Decking Area Calculator operates on proven, fundamental principles of geometry. While the tool’s interface hides the complexity, the calculations at its core are straightforward and reliable. Understanding these formulas can help you appreciate how the calculator works and even verify its results manually for a simple project.

Formula for Rectangular Deck Areas

For the most common deck shape—a simple rectangle or square—the Decking Area Calculator uses the basic formula for the area of a rectangle.

Area = Length × Width

• Example:
  • Deck Length: 16 feet
  • Deck Width: 12 feet
  • Calculation: 16 ft × 12 ft = 192 sq ft

The Decking Area Calculator performs this simple multiplication instantly, providing the total square footage.

Formula for Multi-Section or Irregular Deck Areas

For more complex shapes, like an L-shaped deck, the Decking Area Calculator uses a “compound shape” strategy. It treats the L-shape as two separate rectangles joined together. The calculator’s interface provides fields for the dimensions of both rectangles.

Total Area = Area of Rectangle 1 + Area of Rectangle 2 Total Area = (Length 1 × Width 1) + (Length 2 × Width 2)

• Example: An L-shape can be split into two parts:
  • Rectangle 1: 10 feet × 8 feet (80 sq ft)
  • Rectangle 2: 12 feet × 6 feet (72 sq ft)
  • Calculation: 80 sq ft + 72 sq ft = 152 sq ft

The Decking Area Calculator manages this entire process seamlessly. The user simply inputs the four measurements, and the calculator performs both multiplications and the final addition to provide a single, total area figure.

Parameters Required for Deck Area Calculations

To function, the Decking Area Calculator requires a few key parameters from the user. These are the raw measurements that the formulas depend on.

• For a Rectangle:
  • Deck Length: The measurement of the longer side.
  • Deck Width: The measurement of the shorter side.
• For an L-Shape:
  • Length 1: The length of the first rectangular section.
  • Width 1: The width of the first rectangular section.
  • Length 2: The length of the second rectangular section.
  • Width 2: The width of the second rectangular section.
• Unit of Measurement: The user must specify if their measurements are in feet, meters, or another unit, so the Decking Area Calculator can label the output correctly (e.g., sq ft vs. sq m).

Variables and Measurement Considerations Explained

While the parameters above are for the basic area, a comprehensive Decking Area Calculator that also estimates materials will ask for additional variables.

• Board Width (e.g., 5.5 inches): This is crucial for calculating how many boards are needed to cover the total area.
• Board Gap (e.g., 0.125 inches): The small space between boards. The calculator adds this to the board width to get an “effective width” for even more accurate material counts.
• Joist Spacing (e.g., 16 inches): This variable is used to calculate the total amount of framing (joists) needed under the deck.

Measurement Consideration: It is critical to be precise. When measuring for an L-shape, ensure you are measuring only the two rectangles. Do not overlap your measurements, and do not leave a gap. The diagrams in the Decking Area Calculator interface are designed to guide you on how to split the “L” and which parts to measure. Always measure each dimension at least twice to confirm accuracy before inputting it into the Decking Area Calculator.

How to Use the Decking Area Calculator Step-by-Step

Using the Decking Area Calculator is a straightforward process designed to be intuitive for everyone, from tech-savvy contractors to first-time DIYers. Following a simple, logical flow ensures you get accurate results every time.

Required Inputs for Deck Calculations

Before you even open the Decking Area Calculator, you need to have your measurements ready. Grab a tape measure, notepad, and pen.

1. Sketch Your Deck: Draw a simple, top-down diagram of your deck’s shape.
2. Choose Your Shape: Identify if it’s a simple rectangle or an L-shape.
3. Measure Dimensions:
   • For a Rectangle: Measure the total length and total width.
   • For an L-Shape: Divide your sketch into two non-overlapping rectangles. Measure the length and width of the first rectangle. Then, measure the length and width of the second rectangle. Write these four measurements down clearly.
4. Note Your Units: Are you measuring in feet and inches, or meters and centimeters? Be consistent. The Decking Area Calculator will handle the conversion.

Step-by-Step Usage Flow

Once you have your measurements, using the Decking Area Calculator takes less than a minute.

1. Step 1: Select Your Units: Find the toggle for “Units” and choose “Imperial (Feet)” or “Metric (Meters).”
2. Step 2: Select Your Deck Shape: Click the button for “Rectangle” or “L-Shape.” The input fields below will update based on your choice.
3. Step 3: Enter Your Dimensions:
   • If Rectangle: Type your measured length into the “Deck Length” box and your width into the “Deck Width” box.
   • If L-Shape: Type your four measurements into the corresponding boxes (e.g., “Area 1 Length,” “Area 1 Width,” “Area 2 Length,” “Area 2 Width”).
4. Step 4 (Optional): Enter Material & Cost Details: If you also want a material estimate, fill in the additional fields like “Deck Board Width,” “Joist Spacing,” and “Cost per Board.”
5. Step 5: Calculate: Click the “Calculate” button.

The Decking Area Calculator will instantly process your inputs and display the results, typically showing the “Total Deck Area” prominently, followed by the detailed material and cost breakdowns if you provided those inputs.

Tips for Accurate Decking Results

The Decking Area Calculator is only as accurate as the numbers you give it. Follow these tips to ensure your results are reliable.

• Measure Twice, Calculate Once: This age-old carpenter’s rule is your best friend. After taking your first set of measurements, go back and measure everything a second time to confirm.
• Check for “Square”: On a rectangular deck, measure both opposing sides to ensure they are the same length. If they are slightly different, use the average of the two.
• L-Shape Logic: Be very careful how you divide your L-shape. The two rectangles must not overlap. A common mistake is to measure the total outside length of the L and the total outside width, which is incorrect. Follow the diagrams on the Decking Area Calculator precisely.
• Unit Consistency: If your tape measure is in feet and inches (e.g., 12′ 6″), convert that to a decimal before inputting it (e.g., 12.5 feet). A good Decking Area Calculator might have separate fields for feet and inches, but if not, decimal is the standard.

Decking Area Calculator Example Calculation

Let’s walk through a complete, practical example of using the Decking Area Calculator for a common L-shaped deck project. This will demonstrate how the tool simplifies a potentially confusing calculation.

Sample Deck Input Values

Imagine a homeowner is planning an L-shaped deck. They sketch the layout and divide it into two rectangles as guided by the Decking Area Calculator‘s diagram. Their measurements are:

• Units: Imperial (Feet)
• Shape: L-Shape
• Area 1 (Main Section):
  • Length: 16 feet
  • Width: 12 feet
• Area 2 (Side Section):
  • Length: 8 feet
  • Width: 6 feet

Step-by-Step Computation

The user inputs these values into the Decking Area Calculator and clicks “Calculate.” Here is the math the calculator performs in the background:

1. Calculate Area 1:
   • Area 1 = Length 1 × Width 1
   • Area 1 = 16 ft × 12 ft
   • Area 1 = 192 sq ft
2. Calculate Area 2:
   • Area 2 = Length 2 × Width 2
   • Area 2 = 8 ft × 6 ft
   • Area 2 = 48 sq ft
3. Calculate Total Area:
   • Total Area = Area 1 + Area 2
   • Total Area = 192 sq ft + 48 sq ft
   • Total Area = 240 sq ft

Final Output Interpretation

The Decking Area Calculator will display the final, most important number:

Total Deck Area: 240 sq ft

This single, reliable figure is what the homeowner will use for all their next steps. They can now confidently:

• Tell the lumber yard they need materials for a 240 sq ft deck.
• Use this figure to calculate how many decking boards they need (e.g., 240 sq ft / (effective board width in sq ft)).
• Check this against their permit application if there is a size restriction.

Without the Decking Area Calculator, they would have had to perform this multi-step calculation manually, risking errors in multiplication or addition.

Practical Applications of the Decking Area Calculator

The Decking Area Calculator is a versatile tool whose applications span the entire lifecycle of a building project, from initial design to final budgeting. It is not just a DIY gadget but a streamlined tool for professionals.

Construction and Architecture

For architects and construction firms, the Decking Area Calculator is a rapid estimation tool. During the design phase, an architect can quickly adjust the dimensions of a proposed deck to see how it impacts the overall site plan and budget, using the Decking Area Calculator to get instant feedback. For the construction team, it provides the core number for blueprints and material take-offs.

Outdoor Landscaping and Patio Design

Landscape designers use the Decking Area Calculator to balance the “hardscape” (like decks and patios) with the “softscape” (gardens and lawns). The calculator helps them determine the optimal deck size that complements the property without overpowering it. They can use the Decking Area Calculator to present different size options to a client, each with an associated area and potential cost.

Material Estimation and Budget Planning

This is the most common and critical application for the Decking Area Calculator. The total area figure is the linchpin of all budgeting. Once the Decking Area Calculator provides the 240 sq ft result, the user can immediately determine:

• Decking: How many boards are needed.
• Framing: How many joists are required.
• Footings: The approximate number of concrete footings.
• Stain/Sealer: How many gallons of finish will be required.

A comprehensive Decking Area Calculator that estimates these materials directly becomes an all-in-one budgeting solution.

Engineering and Structural Layouts

Structural engineers, while focused on load and spans, still begin with the deck’s basic footprint. The area, combined with joist spacing, determines the number of joists, which in turn determines the load on the beams and footings. The Decking Area Calculator provides the initial input for these more complex structural calculations, ensuring the foundation of the engineering plan is accurate.

Advantages of Using a Decking Area Calculator

The shift from manual calculations to a digital Decking Area Calculator offers clear and significant advantages, centered on efficiency, accuracy, and financial control.

Time Savings

The most immediate benefit of the Decking Area Calculator is speed. What might take a person 5-10 minutes to calculate manually (especially for an L-shape), and require double-checking, is done by the calculator in less than a second. For a contractor preparing multiple quotes a day, this time savings is cumulative and substantial. For a homeowner, it means less time planning and more time building.

Error Reduction

Human error is the single greatest risk in project planning. A simple mistake—transposing numbers (writing “61” instead of “16”), a multiplication error, or incorrectly adding fractions—can cost hundreds of dollars in wasted materials or last-minute re-orders. The Decking Area Calculator is a machine that does not make these mistakes. Its calculations are 100% reliable, every single time, removing this significant risk from the project.

Professional-Grade Accuracy

Using a specialized Decking Area Calculator lends a level of professionalism and confidence to any project. It ensures that the plan is built on a foundation of precision. When a contractor presents a quote based on a Decking Area Calculator‘s output, it shows the client that the material lists are not “guesstimates” but are based on exact measurements and calculations, building trust and justifying the project’s cost.

Common Mistakes When Using a Decking Area Calculator

While a Decking Area Calculator is a powerful tool, it is not immune to the principle of “garbage in, garbage out.” The most common mistakes are user errors during the input phase.

Incorrect Measurements

This is the most frequent and critical error. If you misread your tape measure or measure the wrong part of the deck, the Decking Area Calculator will give you a perfectly calculated wrong answer. There is no substitute for careful, double-checked measurements.

Overlooking Multi-Section Deck Shapes

A common pitfall is treating an L-shaped deck like a simple rectangle. Some users might measure the longest length and the longest width of the “L” and multiply them. This will result in a “ghost area” (the empty notch) being included, drastically inflating the area and the material budget. Always use the “L-Shape” function on the Decking Area Calculator for these layouts.

Skipping Unit Conversions

Mixing units is a classic mistake. A user might measure the deck length in feet (e.g., 16) but the width of a deck board in inches (e.g., 5.5) and use them in the same formula without conversion. A good Decking Area Calculator is designed to prevent this by having separate, labeled fields for different units. However, if you are feeding data into a simple Decking Area Calculator, you must ensure all inputs are converted to the same base unit (e.t., all feet or all inches) first.

Limitations of a Decking Area Calculator

A Decking Area Calculator is a specialized tool, and it’s important to understand its limitations. It is designed for 90% of use cases, but not all of them.

Perfect-Shape Assumptions

The Decking Area Calculator assumes your deck is made of perfect rectangles with perfect 90-degree corners. In the real world, houses are often not perfectly square, and ground layouts may require odd angles. If your deck is a custom-designed parallelogram, trapezoid, or a free-flowing curve, a simple Decking Area Calculator for rectangles and L-shapes will not be sufficient. You would need to use more complex geometric formulas for those specific shapes.

Input Precision Limitations

The calculator’s output is only as precise as your input. If you round all your measurements to the nearest foot, your final area will be an approximation. If you need a highly precise result for a complex project, your inputs must also be highly precise (e.g., to the nearest 1/8th of an inch, converted to decimal feet). The Decking Area Calculator cannot “guess” or “fix” imprecise source data.

Accuracy Factors for Decking Area Calculations

The final accuracy of your project plan depends on more than just the Decking Area Calculator itself. It’s an interplay of three main factors.

Measurement Precision

This is the human factor. Is your tape measure old and stretched? Are you letting it sag in the middle? Are you measuring from the correct points? A 1% error in your linear measurement (e.g., being off by 2 inches on a 16-foot deck) will be squared in the area calculation, leading to a larger final error. Precision is key.

Variation in Deck Board Layout

While this does not affect the total area calculation, it can affect material estimates derived from that area. A Decking Area Calculator that estimates boards assumes they are all laid in one direction. If you plan a complex pattern like a herringbone or a diagonal inlay, your wastage will be much higher. The standard 10-15% wastage figure used by a Decking Area Calculator may need to be increased for such designs.

Calculation Method Differences

When calculating an L-shape, you can divide it into two rectangles in two different ways (a “vertical” cut or a “horizontal” cut). Both methods will, if done correctly, yield the exact same total area. The Decking Area Calculator simply standardizes one of Bthese methods, providing a consistent, reliable path to the correct answer. The method itself is less important than its consistent application, which the Decking Area Calculator ensures.

Industry Standards Related to Decking Area Measurement

Decking area measurements are not just for planning; they are also tied to professional standards and codes.

Construction Standards

Most local building codes (often based on the International Residential Code or IRC) specify requirements for decks, especially those attached to a house. These codes may include:

• Size Limitations: Restrictions on how large a deck can be relative to the lot size.
• Footing Requirements: The number and size of footings are often based on the total area and load of the deck. An accurate figure from a Decking Area Calculator is the first step to ensuring your plan complies with these construction standards.

Engineering Guidelines

For larger or more complex decks, engineering guidelines dictate the loads a deck must support (e.g., 40-60 lbs per square foot). The total area is the multiplier for this load. An engineer uses the total area from a Decking Area Calculator to determine the total “dead load” and “live load” the deck must handle, which informs the size of joists, beams, and the entire support structure.

Troubleshooting Issues in Decking Area Calculations

Even with a tool as simple as the Decking Area Calculator, users can sometimes be confused by the results. Here’s how to troubleshoot common issues.

Unexpected Results

If the “Total Area” seems way too high or way too low, the problem is almost always in the inputs.

1. Check Your L-Shape: Did you accidentally use the “L-Shape” function for a rectangular deck?
2. Check Your L-Shape Logic: Did you measure the total outer dimensions instead of the two separate rectangles? This is the #1 cause of an inflated area number.
3. Check Your Decimals: Did you enter “12.5” (12 and a half feet) or “12.05”? A simple typo can make a huge difference. Re-measure, and then re-type your inputs carefully.

Missing Inputs

If you click “Calculate” and nothing happens, or the result is “0,” it means you left a required field blank. A good Decking Area Calculator will highlight the empty box in red. Fill in all dimension boxes—even if a section is small—to get a valid calculation.

Unit Mismatch

If you get a result, but it seems astronomically large, you may have a unit mismatch. For example, you selected “Feet” but then entered your board width as “5.5” (meaning 5.5 feet instead of 5.5 inches). A comprehensive Decking Area Calculator will have separate unit selectors for each input (e.g., deck length in feet, board width in inches). If your calculator is simpler, you must convert all your measurements to a single unit (like feet) before you type them in.

Frequently Asked Questions About the Decking Area Calculator

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