Turn to Gradian

How it is calculated

Each unit is defined via the base unit (radian). The value is first converted to the base unit, then to the selected unit.

1 tr = 6.28318530718 rad

1 gon = 0.0157079632679 rad

1 tr × 6.28318530718 = 6.28318530718 rad

6.28318530718 rad ÷ 0.0157079632679 = 400 gon