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Woodworking Circle Calculator

Calculate diameter, circumference, and area from a circle radius.

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

Inputs

Circle dimension

Range: at least 0 in

Result

Area
452.389 sq in
Circumference
75.398 in
Diameter
24.000 in

Formula

Diameter
—
Circumference
—
Area
—

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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.