Gradians to degrees
Type a value in gon to get it in ° instantly.
81°
That's 1.8× as wide as a slice of pizza, while a right angle is 1.11× wider. As a road gradient, that is about 631.4%.
Convert the other way: ° to gon
What it means
How wide is that?
The road gradient shown is the tangent of the angle, the way highway signs measure steepness.
The math
How to convert gon to °
To convert gradians to degrees, multiply by 0.9.
Example: 90 gon × 0.9 = 81 °.
In the other direction, 1 ° = 1.11111 gon.
Every unit
Your angle in every unit
Tables
gon to ° conversion table
| gon | ° |
|---|---|
| 1 gon | 0.9 ° |
| 5 gon | 4.5 ° |
| 10 gon | 9 ° |
| 15 gon | 13.5 ° |
| 30 gon | 27 ° |
| 45 gon | 40.5 ° |
| 60 gon | 54 ° |
| 75 gon | 67.5 ° |
| 90 gon | 81 ° |
| 120 gon | 108 ° |
| 135 gon | 121.5 ° |
| 150 gon | 135 ° |
| 180 gon | 162 ° |
| 270 gon | 243 ° |
| 360 gon | 324 ° |
° to gon conversion table
| ° | gon |
|---|---|
| 1 ° | 1.11111 gon |
| 5 ° | 5.55556 gon |
| 10 ° | 11.1111 gon |
| 15 ° | 16.6667 gon |
| 30 ° | 33.3333 gon |
| 45 ° | 50 gon |
| 60 ° | 66.6667 gon |
| 75 ° | 83.3333 gon |
| 90 ° | 100 gon |
| 120 ° | 133.333 gon |
| 135 ° | 150 gon |
| 150 ° | 166.667 gon |
| 180 ° | 200 gon |
| 270 ° | 300 gon |
| 360 ° | 400 gon |
Quick answers
Quick answers
- How many ° is 1 gon?
- 1 gon is 0.9 °.
- How many ° is 10 gon?
- 10 gon is 9 °.
- How many ° is 90 gon?
- 90 gon is 81 °.
The units
About these units
Gradians (gon)
A gradian, or gon, is a 400th of a turn, so a right angle is exactly 100. Surveyors in parts of Europe still use it.
Degrees (°)
A degree is a 360th of a full turn. It comes from Babylonian astronomy and stays standard for navigation, building and everyday geometry.
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