Radian to Gradian
Free instant radian to gradian converter. 1 rad = 63.662 gon.
Common Radian to Gradian values
| Radian (rad) | Gradian (gon) |
|---|---|
| 0 | 0 |
| 0.523599 | 33.3333 |
| 0.785398 | 50 |
| 1.0472 | 66.6667 |
| 1.5708 | 100 |
| 3.14159 | 200 |
| 4.71239 | 300 |
| 6.28319 | 400 |
How does Radian to Gradian conversion work?
Type a value in the Radian (rad) field and the equivalent in Gradian (gon) appears instantly to the right. The math uses the exact formula shown above — no rounding errors, no approximations beyond standard floating-point precision. Use the swap button to flip the units and see the inverse conversion.
Radian. The SI angle unit, used in mathematics. A full circle = 2π rad ≈ 6.283.
Gradian. Also called "gon". A full circle = 400 gradians. Used in surveying.
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Conversion factors come from the official standard (NIST, BIPM, ISO definitions where applicable). Values are precise to standard floating-point limits.
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