Free instant grad → rad converter. No signup, no uploads — everything is calculated privately in your browser.
1 grad = 0.015708 radians
1 gradians = 0.015708 radians
Free, instant, and 100% private — every calculation runs in your browser. Nothing is uploaded.
1 gradian equals 0.015708 radians. To convert gradians to radians, divide the value by 63.66197723675813.
1 gradian = 0.015708 radians. Formula: value ÷ 63.66197723675813
Example: 1 grad → 0.015708 rad. Type any value in the converter above to see it converted live.
| Gradians (grad) | Radians (rad) |
|---|---|
| 1 grad | 0.015708 rad |
| 2 grad | 0.0314159 rad |
| 5 grad | 0.0785398 rad |
| 10 grad | 0.15708 rad |
| 25 grad | 0.392699 rad |
| 50 grad | 0.785398 rad |
| 100 grad | 1.5708 rad |
| 250 grad | 3.92699 rad |
| 500 grad | 7.85398 rad |
| 1,000 grad | 15.708 rad |
1 gradian = 0.015708 radians. Formula: value ÷ 63.66197723675813. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 gradian = 0.015707963267948967 radians. The reverse factor is 1 radian = 63.66197723675813 gradians.
1 grad = 0.015708 rad; 10 grad = 0.15708 rad; 100 grad = 1.5708 rad. Use the full conversion table below for more reference values.
The gradian was defined during the French metrication effort so a right angle equals exactly 100 gradians, making a full turn 400 — nicer for decimal math, less aligned with astronomy and timekeeping (360 divides evenly by 2, 3, 4, 5, 6, 8, 9, 10, 12…). Engineering in most countries still uses degrees; gradians survive mainly in surveying and some European calculators.