40 deg ≈ 0.698131 rad. To convert degrees to radians, multiply by 0.017453286: 40 × 0.017453286 = 0.698131.
How to convert degrees to radians
rad = deg × 0.017453286
- 1 deg = 0.017453286 rad (and 1 rad = 57.2958 deg).
- Multiply the amount by the factor: 40 × 0.017453286 = 0.698131.
- Answer: 40 deg ≈ 0.698131 rad (rounded to 6 significant figures).
Degrees to Radians table
| Degrees (deg) | Radians (rad) |
|---|---|
| 35 deg | 0.610865 rad |
| 36 deg | 0.628318 rad |
| 37 deg | 0.645772 rad |
| 38 deg | 0.663225 rad |
| 39 deg | 0.680678 rad |
| 40 deg | 0.698131 rad |
| 41 deg | 0.715585 rad |
| 42 deg | 0.733038 rad |
| 43 deg | 0.750491 rad |
| 44 deg | 0.767945 rad |
| 45 deg | 0.785398 rad |
| deg | rad |
|---|---|
| 1 deg | 0.0174533 rad |
| 5 deg | 0.0872664 rad |
| 10 deg | 0.174533 rad |
| 50 deg | 0.872664 rad |
| 100 deg | 1.7453 rad |
| 1,000 deg | 17.4533 rad |