Angles & Geometry calculator
Degrees to Radians Converter
Convert degrees (deg) to radians (rad) with the exact angle formula, worked examples, and a common-values table.
Exact conversion
Degrees to radians formula
rad = deg × 0.0174532925
1 deg equals 0.0174532925 rad. 10 deg equals 0.174532925 rad.
About these units
- deg
- Degrees, the most common angle unit.
- rad
- Radians, common in math and programming.
Common deg to rad values
| deg | rad |
|---|---|
| 1 deg | 0.0174532925 rad |
| 5 deg | 0.0872664626 rad |
| 10 deg | 0.174532925 rad |
| 25 deg | 0.436332313 rad |
| 50 deg | 0.872664626 rad |
| 100 deg | 1.74532925 rad |
Formula
Degrees to radians formula
rad = deg × 0.0174532925
1 deg equals 0.0174532925 rad. 10 deg equals 0.174532925 rad.
FAQs
How do I convert degrees to radians?+
Use this formula: rad = deg × 0.0174532925. Enter the deg value and the calculator applies the relationship immediately.
How many rad are in 1 deg?+
1 deg equals 0.0174532925 rad.
What is 10 deg in rad?+
10 deg equals 0.174532925 rad. The displayed result may be rounded, while the calculator keeps full precision internally.
Can I convert radians back to degrees?+
Yes. Use Swap in the converter to reverse the units and calculate rad to deg.
How does the Degrees to Radians Converter calculate the result?+
It uses the Degrees to radians formula: rad = deg × 0.0174532925. 1 deg equals 0.0174532925 rad. 10 deg equals 0.174532925 rad.
What information do I need to use the Degrees to Radians Converter?+
Convert degrees (deg) to radians (rad) with the exact angle formula, worked examples, and a common-values table.
Angles & Geometry guide
How to use the Degrees to Radians Converter
Convert degrees (deg) to radians (rad) with the exact angle formula, worked examples, and a common-values table. The page also explains the degrees to radians formula and shows a practical example: 1 deg equals 0.0174532925 rad. 10 deg equals 0.174532925 rad.
- 1
Enter your details
Enter the source value, then choose the units or values you want to convert.
- 2
Check the calculation
Review the result alongside the degrees to radians formula: rad = deg × 0.0174532925.
- 3
Compare scenarios
Change one or more inputs to see how they affect the degrees to Radians Converter result before you use the estimate.
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