Radian to Gradian Converter — Angle Units

Convert Radian to Gradian instantly with accurate angle unit conversion. Learn what they mean, where they’re used, and see examples.

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What is a Radian?

A radian is the standard SI unit of angular measure, defined as the angle formed when the arc length equals the radius. One full rotation is 2π radians.

What is a Gradian?

A gradian (or gon) divides a circle into 400 parts. It's used in some engineering and surveying applications due to its base-10 relation.

Conversion Formula

To convert Radian to Gradian, use the formula:

Gradian = Radian × (1.0000000000e+0 / 1.5707963268e-2)

This formula works by converting Radian into radians as the base unit, then converting that result into Gradian. It ensures high-precision conversion.

Example: Convert 10 Radian to Gradian:
10 × (1.000000e+0 ÷ 1.570796e-2) = 636.6197724 Gradian

Common Radian to Gradian Conversions

RadianGradian
1.00000 Radian
63.66197724 Gradian
2.00000 Radian
127.3239545 Gradian
3.00000 Radian
190.9859317 Gradian
4.00000 Radian
254.6479089 Gradian
5.00000 Radian
318.3098862 Gradian
6.00000 Radian
381.9718634 Gradian
7.00000 Radian
445.6338407 Gradian
8.00000 Radian
509.2958179 Gradian
9.00000 Radian
572.9577951 Gradian
10.0000 Radian
636.6197724 Gradian
11.0000 Radian
700.2817496 Gradian
12.0000 Radian
763.9437268 Gradian
13.0000 Radian
827.6057041 Gradian
14.0000 Radian
891.2676813 Gradian
15.0000 Radian
954.9296586 Gradian
16.0000 Radian
1018.591636 Gradian
17.0000 Radian
1082.253613 Gradian
18.0000 Radian
1145.915590 Gradian
19.0000 Radian
1209.577567 Gradian
20.0000 Radian
1273.239545 Gradian

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