Gradians to Radians
Convert gradians (grad) to radians (rad). Type in either box; the other updates as you go.
How to convert gradians to radians
To convert gradians to radians, multiply the number of gradians by 0.01570796327.
Example
Convert 100 gradians to radians:
Gradian to radian conversion chart
| Gradians (grad) | Radians (rad) |
|---|---|
| 1 grad | 0.01570796 rad |
| 2 grad | 0.03141593 rad |
| 3 grad | 0.04712389 rad |
| 4 grad | 0.06283185 rad |
| 5 grad | 0.07853982 rad |
| 6 grad | 0.09424778 rad |
| 7 grad | 0.1099557 rad |
| 8 grad | 0.1256637 rad |
| 9 grad | 0.1413717 rad |
| 10 grad | 0.1570796 rad |
| 12 grad | 0.1884956 rad |
| 15 grad | 0.2356194 rad |
| 20 grad | 0.3141593 rad |
| 25 grad | 0.3926991 rad |
| 30 grad | 0.4712389 rad |
| 40 grad | 0.6283185 rad |
| 50 grad | 0.7853982 rad |
| 60 grad | 0.9424778 rad |
| 70 grad | 1.099557 rad |
| 75 grad | 1.178097 rad |
| 80 grad | 1.256637 rad |
| 90 grad | 1.413717 rad |
| 100 grad | 1.570796 rad |
| 150 grad | 2.356194 rad |
| 200 grad | 3.141593 rad |
| 250 grad | 3.926991 rad |
| 500 grad | 7.853982 rad |
| 1,000 grad | 15.70796 rad |
Going the other way? See the radians to gradians chart.
About the units
Gradian (grad)
A gradian is 1/400 of a full turn, so a right angle is exactly 100 gradians. Surveyors in some countries use it.
Radian (rad)
A radian is the angle that cuts off an arc as long as the radius. A full turn is 2π radians, so one radian is about 57.3°.
Frequently asked questions
How many radians are in a gradian?
There are 0.01570796327 radians in a gradian.
How many gradians are in a radian?
There are 63.66197724 gradians in a radian.
How do you convert gradians to radians?
To convert gradians to radians, multiply the number of gradians by 0.01570796327.
What is 100 gradians in radians?
100 gradians equals 1.5708 radians.
Convert between degrees, radians, gradians, arcminutes and arcseconds. Open the angle converter to see a value in every unit at once.