Free online tool

Board Foot Calculator

Estimate dimensional lumber volume with both nominal measurements and total cost.

Board feet per piece-
Total board feet-
Cubic feet-
Estimated cost-

Method

Project estimate method

Material quantities start with measured project dimensions, then apply the waste, coverage, or package values entered in the calculator.

Round purchase quantities up to the units actually sold and confirm product coverage, site conditions, dimensions, and local construction requirements before ordering.

Questions

Board Foot Calculator FAQ

What is one board foot?

One board foot is a lumber volume equal to 1 inch thick by 12 inches wide by 12 inches long, or 144 cubic inches.

Does nominal lumber size equal actual size?

Not always. Enter the dimensions used by the seller or the actual measured dimensions required for your estimate.

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