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Angle Converter

Convert degrees, radians, gradians, arcminutes and more. Free instant angle converter.

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Tip: results update as you type. Press Enter to swap units.

All units

UnitValueCopy
Degree°180
Radianrad3.1415927
Gradiangon200
Turnturn0.5
Arcminute'10800
Arcsecond"648000
Milliradianmrad3141.5927

Frequently asked questions

How many radians is 180 degrees?

180° equals π (about 3.14159) radians.

What is a gradian?

A gradian (or gon) is 1/400 of a full turn, so 90° = 100 gon.