13 grad ≈ 0.204203 rad. To convert gradians to radians, multiply by 0.015707958: 13 × 0.015707958 = 0.204203.
How to convert gradians to radians
rad = grad × 0.015707958
- 1 grad = 0.015707958 rad (and 1 rad = 63.662 grad).
- Multiply the amount by the factor: 13 × 0.015707958 = 0.204203.
- Answer: 13 grad ≈ 0.204203 rad (rounded to 6 significant figures).
Gradians to Radians table
| Gradians (grad) | Radians (rad) |
|---|---|
| 8 grad | 0.125664 rad |
| 9 grad | 0.141372 rad |
| 10 grad | 0.15708 rad |
| 11 grad | 0.172788 rad |
| 12 grad | 0.188495 rad |
| 13 grad | 0.204203 rad |
| 14 grad | 0.219911 rad |
| 15 grad | 0.235619 rad |
| 16 grad | 0.251327 rad |
| 17 grad | 0.267035 rad |
| 18 grad | 0.282743 rad |
| grad | rad |
|---|---|
| 1 grad | 0.015708 rad |
| 5 grad | 0.0785398 rad |
| 10 grad | 0.15708 rad |
| 50 grad | 0.785398 rad |
| 100 grad | 1.5708 rad |
| 1,000 grad | 15.708 rad |