Woodworking Arc and Chord Calculator
Calculate arc length, chord length, and sagitta from a radius and central angle.
Prefilled values are examples. Replace them with measurements and current costs for your project.
Result
Arc length
18.850 in
Chord length
16.971 in
Sagitta (arc rise from chord)
3.515 in
Formula
Arc length
—
Chord length
—
Sagitta (arc rise from chord)
—
Related calculators
Compound Miter and Bevel Calculator
Calculate flat-cut miter and bevel settings from a crown molding spring angle and wall corner.
Open calculatorCountertop and Island Overhang Calculator
Calculate countertop plan dimensions from cabinet dimensions and selected edge overhangs.
Open calculatorCurved Rail and Template Calculator
Calculate circular-arc geometry and five equally spaced template coordinates from a chord and rise.
Open calculatorDovetail and Finger Joint Layout Calculator
Calculate evenly spaced repeated joint-feature dimensions and marking references from user-selected geometry.
Open calculator