Radians to Gradians Converter
Convert radians to gradians instantly. 1 rad = 63.662 grad. Free two-way converter with the formula and a quick reference table.
How to convert radians to gradians
gradians = radians × 63.662
One radian equals 63.662 gradians, so to convert radians to gradians you multiply by 63.662. Going the other way, one gradian is 0.015708 radians. Both units measure angle, so the conversion is an exact ratio that never changes.
10 radians = 636.62 gradians. Multiply your radian figure by the factor above (or just type it into the box) to convert any amount.
radians to gradians table
| radians (rad) | gradians (grad) |
|---|---|
| 1 | 63.662 |
| 2 | 127.32 |
| 3 | 190.99 |
| 5 | 318.31 |
| 10 | 636.62 |
| 20 | 1,273.24 |
| 25 | 1,591.55 |
| 50 | 3,183.1 |
| 100 | 6,366.2 |
| 250 | 15,915.49 |
| 500 | 31,830.99 |
| 1,000 | 63,661.98 |
Frequently asked questions
How many gradians are in a radian?
One radian equals 63.662 gradians. So to convert, multiply the number of radians by 63.662.
How do I convert radians to gradians?
Multiply by 63.662, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.