90 degrees to radians
1.57 radians
90 degrees equals 1.5708 radians.
How the conversion works
One degree is 0.017453 radians, so multiply:
90 × 0.017453 = 1.5708 radians
Going the other way, divide by 0.017453 instead: 1.5 radians to degrees — the closest published value to 1.57 radians.
Convert a different angle
degrees =1.57 radians
Open the full angle converter for every other unit.
Nearby values
| degrees | radians |
|---|---|
| 45 degrees | 0.79 radians |
| 60 degrees | 1.05 radians |
| 72 degrees | 1.26 radians |
| 120 degrees | 2.09 radians |
| 135 degrees | 2.36 radians |
| 150 degrees | 2.62 radians |
Questions
- What is 90 degrees in radians?
- 90 degrees is 1.57 radians (1.5708 radians to four decimal places).
- How do you convert degrees to radians?
- Multiply by 0.017453. One degree is 0.017453 radians, so 90 × 0.017453 = 1.5708 radians.
- What does 90 degrees actually mean?
- It sits between 45 and 150 degrees; the table on this page shows how those compare.