Angle

Radians Gradians

rad → gon

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Reverse Conversion

NIST Exact

Based on U.S. National Institute of Standards

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Radians to Gradians Formula

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

Gradians = Radians × 0.01570796327

This means you need to multiply your Radians value by 0.01570796327 to get the equivalent value in Gradians.

rad → gon Reference Table

rad gon
0.01 rad 0.6366197724 gon
0.1 rad 6.366197724 gon
0.5 rad 31.83098862 gon
1 rad 63.66197724 gon
5 rad 318.3098862 gon
10 rad 636.6197724 gon
50 rad 3183.098862 gon
100 rad 6366.197724 gon
500 rad 31830.98862 gon
1000 rad 63661.97724 gon

Why Convert Radians to Gradians?

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

Angle conversions between rad and gon 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 Radians to Gradians

To convert radians to gradians, use the following formula:

gon = rad × 63.66197724

Example: 1 rad = 63.66197724 gon

For example, 5 rad = 318.3098862 gon, 10 rad = 636.6197724 gon, and 100 rad = 6366.197724 gon. For larger values, 1000 rad = 63661.97724 gon. Conversely, 1 gon = 0.01570796327 rad. 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 Radian?

The standard SI unit of angular measure. 1 rad ≈ 57.3 degrees.

Mathematics and physics.

What is a Gradian?

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

Surveying.

Frequently Asked Questions

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