Convert gradian to radian
1 gon = 0.01570796327 rad
1 gon = 0.015708 rad
1 gon in every angle unit
| microarcsecond | 3,240,000,000 μas |
| milliarcsecond | 3,240,000 mas |
| microradian | 15,708 μrad |
| arcsecond | 3,240 ″ |
| arcminute | 54 ′ |
| mil (NATO) | 16 mil |
| milliradian | 15.708 mrad |
| gradian | 1 gon |
| degree | 0.9 ° |
| compass point | 0.08 point |
| hour angle | 0.06 h |
| radian | 0.015708 rad |
| quadrant | 0.01 quad |
| revolution | 0.0025 rev |
How the conversion works
Multiply by 0.01570796327 to go from gradian to radian, or divide by it to go back. Every conversion on this site routes through the SI value (rad) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? radian to gradian — 1 rad = 63.66197724 gon.
gradian to radian — common values
| 1 gon | 0.015707963 rad |
| 2 gon | 0.031415927 rad |
| 3 gon | 0.04712389 rad |
| 5 gon | 0.078539816 rad |
| 10 gon | 0.15707963 rad |
| 15 gon | 0.23561945 rad |
| 20 gon | 0.31415927 rad |
| 25 gon | 0.39269908 rad |
| 50 gon | 0.78539816 rad |
| 75 gon | 1.1780972 rad |
| 100 gon | 1.5707963 rad |
| 250 gon | 3.9269908 rad |
| 500 gon | 7.8539816 rad |
| 1000 gon | 15.707963 rad |