Linear Foot Calculator
Calculate the total linear feet of boards or lumber based on length and quantity. Useful for estimating material needs for projects like fencing, decking, or trim work.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator computes total linear feet from two inputs: length per piece and quantity.
- Enter Length per Piece (ft): Type the length of one item in feet (e.g., 8.5).
- Enter Quantity: Type the number of pieces (e.g., 12).
- Click "Calculate Linear Feet": The total is displayed as Length × Quantity.
Note: All values must be positive numbers. If either input is zero, the result is 0 ft. The calculator uses feet (imperial).
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Frequently Asked Questions
A linear foot is a unit of length equal to 12 inches. It measures length in a straight line, regardless of width or thickness.
Multiply the length of each piece (in feet) by the number of pieces. For example, 10 boards each 8 feet long equals 80 linear feet.
This calculator works in feet. If you have measurements in inches, convert them to feet first (divide by 12) before entering.