Gradians to Radians converter

Convert gradians (grad) to radians (rad) — results update instantly as you type.

Gradians to Radians

To0.015708

1 grad = 0.01570796 rad

How to convert Gradians to Radians

Angles are measured in degrees in everyday life, radians in mathematics and programming, and gradians in surveying. A full circle is 360 degrees, 2π radians, or 400 gradians.

One radian is about 57.2958 degrees — the angle where the arc length equals the radius. To convert degrees to radians, multiply by π/180; to go back, multiply by 180/π.

Formula

grad × 0.0157079633 = rad

Multiply your gradians value by 0.0157079633 to get radians. For the reverse, divide by the same factor.

Gradians to Radians conversion table

GradiansRadians
1 grad0.015708 rad
2 grad0.031416 rad
5 grad0.07854 rad
10 grad0.15708 rad
25 grad0.392699 rad
100 grad1.570796 rad

Common use cases

  • Trigonometry homework between degrees and radians
  • Programming (most math libraries use radians)
  • Surveying and civil engineering with gradians
  • GPS bearing and navigation calculations

Frequently asked questions

Exactly π radians (about 3.14159). A full 360° circle is 2π radians.