Angle

Gradians Degrees

gon → °

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Reverse Conversion

NIST Exact

Based on U.S. National Institute of Standards

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Gradians to Degrees Formula

To convert from Gradians to Degrees, you can use the following formula:

Degrees = Gradians × 1.111111111

This means you need to multiply your Gradians value by 1.111111111 to get the equivalent value in Degrees.

gon → ° Reference Table

gon °
0.01 gon 0.009 °
0.1 gon 0.09 °
0.5 gon 0.45 °
1 gon 0.9 °
5 gon 4.5 °
10 gon 9 °
50 gon 45 °
100 gon 90 °
500 gon 450 °
1000 gon 900 °

Why Convert Gradians to Degrees?

Converting between gradians (gon) and degrees (°) is one of the most common angle conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert gon to ° saves time and prevents errors.

Angle conversions between gon and ° are fundamental in geometry, astronomy, and navigation. Engineers and architects convert between degrees and radians for structural calculations and trigonometric functions. In astronomy, precise angle measurements are needed to track celestial bodies and calculate distances in space. Navigational tools, from simple compasses to complex GPS systems, rely on accurate angular data to plot courses. A small error in angle conversion can lead to significant deviations over long distances, causing bridges to misalign or ships to miss their destinations.

How to Convert Gradians to Degrees

To convert gradians to degrees, use the following formula:

° = gon × 0.9

Example: 1 gon = 0.9 °

For example, 5 gon = 4.5 °, 10 gon = 9 °, and 100 gon = 90 °. For larger values, 1000 gon = 900 °. Conversely, 1 ° = 1.111111111 gon. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

  • Radians vs Degrees: calculators often default to Radians; check mode.
  • Gradians: a Gradian is not a Degree (100 grads = 90 degrees).
  • Modulus 360: 370 degrees is physically same as 10 degrees, but mathematically distinct.

Pro Tips

  • Carpentry: 45 degrees is the classic miter cut for corners.
  • Triangles: Angles in a triangle always add up to 180 degrees.
  • Sun angle: Impacts solar panel efficiency; tilt towards equator.

What is a Gradian?

1/400 of a turn. Also known as gon.

Surveying.

What is a Degree?

A measurement of plane angle, 1/360 of a full rotation.

Geometry and navigation.

Frequently Asked Questions

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