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degrees to radians | Exact Decimal + Formula

1 Degree = 0.017453 Radian

Conversions between Degree (°) and Radian (rad) are essential in the angle category. This tool provides a quick, free, and accurate way to convert degrees to radians for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.

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Formula

rad = ° × 0.017453293

To convert Degree to Radian, use the formula displayed above.

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Degree to Radian: Quick Reference Table

Degree Radian (Decimal) Fraction
0.001 ° 0.000017 rad -
0.01 ° 0.000175 rad -
0.1 ° 0.001745 rad -
0.5 ° 0.008727 rad -
1 ° 0.017453 rad -
2 ° 0.034907 rad -
5 ° 0.087266 rad -
10 ° 0.174533 rad -
25 ° 0.436332 rad -
50 ° 0.872665 rad -
100 ° 1.745329 rad -
250 ° 4.363323 rad -
500 ° 8.726646 rad -
1000 ° 17.453293 rad -

° to rad Formula and Examples

Direct Formula rad = ° × 0.017453293
Inverse Formula ° = rad × 57.29578
Mental Math Shortcut

Divide the value by roughly 57.3 to quickly estimate the converted result.

Common Degree to Radian Calculations

  • 5 ° = 0.087266 rad
  • 10 ° = 0.174533 rad
  • 50 ° = 0.872665 rad
  • 100 ° = 1.745329 rad
  • 500 ° = 8.726646 rad

How to Convert Degree to Radian

How many radians are in a degree?
1 Degree (°) is equal to 0.017453 Radian (rad). To convert degrees to radians, multiply your value by 0.017453.
How do I convert degree to radian?
To convert Degree to Radian, use the formula: Radian = Degree × 0.017453. For example, 5 ° = 0.087266 rad.
What is the formula for ° to rad?
The formula is: rad = ° × 0.017453. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.