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Angle Converter

Convert angle units: degrees, radians, gradians, arcminutes, arcseconds, turns and milliradians. Free and instant.

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Value	Result

Popular angle conversions

° → rad rad → °

Angle Converter — degrees, radians, gradians

Convert angle units: degrees, radians, gradians, arcminutes, arcseconds, turns and milliradians. Free and instant.

FAQ

How do I convert degrees to radians?: Multiply degrees by π/180 (≈ 0.017453).
How many degrees in a radian?: 1 radian = 57.2958°.
What is a gradian?: A gradian (grad) is 1/400 of a full circle. 90° = 100 grad.

Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters