Gradian to Radian

Convert Gradian to Radian instantly. Free online angle unit converter with exact formula, conversion table and FAQ.

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Formula

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Formula

radian = gradian × 0.015708

gradian = radian × 63.661977

Conversion table

1 gon0.015708 rad
5 gon0.07854 rad
10 gon0.15708 rad
20 gon0.314159 rad
50 gon0.785398 rad
100 gon1.570796 rad
500 gon7.853982 rad
1000 gon15.707963 rad
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Frequently asked questions

What is the source unit in this conversion?

The source unit is the gradian (gon). A gradian is 1/400 of a turn.

What is the destination unit in this conversion?

The destination unit is the radian (rad). The radian is the SI angle unit.

How do I convert gradian to radian?

Multiply the gradian value by 0.015708. For example, 10 gon × 0.015708 = 0.15708 rad.

Is the gradian to radian conversion exact?

Yes. The relationship between these units is a fixed mathematical or SI-defined ratio, so the conversion factor is exact rather than a measured approximation.

Where is this conversion commonly used?

It's used whenever a value expressed in gradian needs to be compared with, or reported in, radian, such as in engineering, scientific, or everyday calculations.

Can I convert radian back to gradian?

Yes. Multiply the radian value by 63.661977 to get gradian.

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About this conversion

This page converts gradian (gon) to radian (rad) within the angle converter.

A gradian is 1/400 of a turn. The radian is the SI angle unit.

The formula is radian = gradian × 0.015708, based on each unit's fixed relationship to the angle converter's base unit.

The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.

Use the calculator above for instant results, or the table below for common gradian values already converted to radian.