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General / Geometry
Circle / Arc / Chord Calculator
Solve common circle and sector dimensions from two known values.
Known values
Solved circle geometry
Arc length157.07963 mm
90° central angle
- Radius · diameter
- 100 · 200 mm
- Central angle
- 90°
- Chord length
- 141.42136 mm
- Arc length
- 157.07963 mm
- Sagitta
- 29.28932 mm
- Sector area
- 7,853.98163 mm²
- Full circumference
- 628.31853 mm
Radius-plus-chord mode returns the minor arc, up to 180°. Angle-based modes accept a selected arc from greater than 0° to less than 360°.