Radian to Gradian

1 rad = 63.661977 gon

Value

From

Precision & format

Significant figures

Notation

1 rad equals

63.66197724gon

All 8 units

Degree°
57.29577951
Radianrad
1
Gradiangon
63.66197724
Arcminute′
3,437.746771
Arcsecond″
206,264.8062
Turnturn
full revolution
0.1591549431
Quadrantquad
right angle
0.6366197724
Mil (NATO)mil
1/6400 turn
1,018.591636

Radian to Gradian table

Common Radian values converted to Gradian
Radian (rad)	Gradian (gon)
1	63.661977
2	127.32395
5	318.30989
10	636.61977
20	1,273.2395
50	3,183.0989
100	6,366.1977
250	15,915.494
500	31,830.989
1,000	63,661.977

How the conversion works

Multiply the radian figure by 63.66197724 to get gradian. 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 gon = 0.015707963 rad — see gradian to radian.

See all 8 angle units →