Gradian to Radian

1 gon = 0.015707963 rad

Value

From

Precision & format

Significant figures

Notation

1 gon equals

0.01570796327rad

All 8 units

Degree°
0.9
Radianrad
0.01570796327
Gradiangon
1
Arcminute′
54
Arcsecond″
3,240
Turnturn
full revolution
0.0025
Quadrantquad
right angle
0.01
Mil (NATO)mil
1/6400 turn
16

Gradian to Radian table

Common Gradian values converted to Radian
Gradian (gon)	Radian (rad)
1	0.015707963
2	0.031415927
5	0.078539816
10	0.15707963
20	0.31415927
50	0.78539816
100	1.5707963
250	3.9269908
500	7.8539816
1,000	15.707963

How the conversion works

Multiply the gradian figure by 0.01570796327 to get radian. Every factor on this site is anchored to the SI base unit for angle, so the same number is used everywhere it appears.

Going the other way, 1 rad = 63.661977 gon — see radian to gradian.

See all 8 angle units →