° to rad
Convert Degree to Radian
Convert Degree to Radian instantly with the tool above. The conversion factor is 0.01745329, meaning 1 degree equals 0.01745329 radians. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Degree = 0.01745329 radians
1 Radian = 57.29577951 degrees
Quick reference
Common degrees converted to radians at a glance.
| ° | rad |
|---|---|
| 1 | 0.01745329 |
| 2 | 0.03490659 |
| 5 | 0.08726646 |
| 10 | 0.17453293 |
| 25 | 0.43633231 |
| 50 | 0.87266463 |
| 100 | 1.74532925 |
| 500 | 8.72664626 |
| 1,000 | 17.45329252 |
How to convert degrees to radians
To convert a value from degrees to radians, multiply the degree value by 0.01745329 radians. For example, 10 degrees × that factor = 0.17453293 radians.
This degree to radian converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many radians are in 1 degree?+
1 degree is equal to 0.01745329 radians.
How do you convert degrees to radians?+
To convert degrees to radians, multiply the degree value by 0.01745329. For example, 10 degrees × 0.01745329 = 0.17453293 radians.
What is the formula to convert degrees to radians?+
Degree → Radian: value × 0.01745329. Equivalently, 1 degree = 0.01745329 radians.
Is this Degree to Radian converter free to use?+
Yes. This degree to radian converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.