180 Degrees to Gradians

180° = 200 grad

Calculation: grad = 180° × 1.11111 = 200 grad

Degree to Gradian Converter

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Sig. Figures:

How wide is 180°?

180 degrees is a reflex angle, like the open mouth of a Pac-Man shape.

What does 180° look like?

Illustration of a Pac-Man shape
180 degrees is a reflex angle, like the open mouth of a Pac-Man shape.

Did you know? Straight angle is 180°.

A straight line is 180° — also known as pi radians. The sum of angles in any triangle equals exactly 180°.

How to Convert Degree to Gradian

1 degree = 1.11111 gradians exact

Gradian = Degree × 1.11111

Example: 180° × 1.11111 = 200 grad

Reverse Conversion

To convert gradians back to degrees:

  • Remember, 1 gradian equals 0.9 degrees.
  • To convert 200 grad to°, multiply 200 x 0.9, resulting in 180°.

exact This conversion factor is exact by international definition.

180 ° is also equal to:

  • 3.1416 radian
  • 12 turn
About these units

Degree: The degree (°) is a non-SI unit of plane angle defined as 1/360 of a full rotation.It is accepted for use with the SI due to its long-standing practical importance in navigation, surveying, engineeri...

Gradian: The gradian (grad) divides a right angle into 100 equal parts, making 400 gradians in a full circle.It is used in surveying, geodesy, cartography, and some engineering standards, especially in parts o...

Frequently Asked Questions

How much is 180 degrees in gradians?

180 degrees equals 200 gradians. This is calculated by multiplying 180 by the conversion factor 1.11111.

What does 180 degrees look like in gradians?

180 degrees (200 gradians) is a straight angle (180°), forming a perfectly straight line — a half turn.

How do you calculate 180 degrees to gradians?

Multiply 180 by the conversion factor 1.11111. The calculation is 180 × 1.11111 = 200 gradians. This factor is defined by international measurement standards.

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180 degrees = 200 gradians
180 degrees = 200 gradians — conversion chart

Nearby Conversions

30 degrees33.33 gradians 60 degrees66.67 gradians 90 degrees100 gradians 120 degrees133.3 gradians 150 degrees166.7 gradians 210 degrees233.3 gradians 240 degrees266.7 gradians 270 degrees300 gradians 300 degrees333.3 gradians 330 degrees366.7 gradians 360 degrees400 gradians 390 degrees433.3 gradians 420 degrees466.7 gradians 450 degrees500 gradians 480 degrees533.3 gradians

For general conversions between degrees and gradians, see the degrees to gradians converter.

Also convert Degrees to:

Conversion factors verified against BIPM, ISO 80000-3 1 turn = 2π rad = 360° (exact, ISO 80000-3). Last reviewed: March 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.