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Angle Converter
Convert angles between degrees, radians, gradians and more.
Free · No sign-up · Updated August 2026
1 ° = 0.01745329 rad
| Unit | 1 ° = |
|---|---|
| Degree | 1 ° |
| Radian | 0.01745329 rad |
| Gradian | 1.1111111 grad |
| Arcminute | 59.999999 ′ |
| Arcsecond | 3,599.9971 ″ |
| Turn | 0.00277778 turn |
Converts instantly in your browser using precise factors. Nothing is uploaded.
🔒 This tool runs entirely in your browser. Your data is never uploaded.
Frequently asked questions
How many radians is 180 degrees?＋
180° = π radians ≈ 3.14159 radians. Convert between all angle units instantly.
Is it free and private?＋
Yes — it's free, needs no sign-up, and converts instantly in your browser.