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Woodworking Taper Calculator

Calculate taper rate and angle between two widths over a length.

Prefilled values are examples. Replace them with measurements and current costs for your project.

Inputs

Start, end, and length

Range: at least 0 in

Range: at least 0 in

Range: at least 0.01 in

Result

Taper angle magnitude
2.386 degrees
Signed width change per foot
-0.5000 in/ft
Narrows along length

Formula

Signed width change per foot
—
Taper angle magnitude
—

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Results are planning aids based on the inputs and assumptions shown. Verify dimensions, stock sizes, hardware clearances, kerf, and current prices against your project before cutting or quoting.