Convert Gradians to Revolutions

Gradians → Revolutions
grad × 0.0025 = rev rev × 400 = grad

To convert gradians (grad) to revolutions (rev), multiply the gradians value by 0.0025. 1 grad = 0.0025 rev, and 1 rev = 400 grad. The conversion is a linear scaling with no offset, so the same factor applies to any value.

Going the other way? Convert rev to grad.

grad to rev table
Gradians (grad) Revolutions (rev)
0.1 grad 0.00025 rev
0.5 grad 0.00125 rev
1 grad 0.0025 rev
2 grad 0.005 rev
5 grad 0.0125 rev
10 grad 0.025 rev
20 grad 0.05 rev
50 grad 0.125 rev
100 grad 0.25 rev
500 grad 1.25 rev
1000 grad 2.5 rev