Degrees to Radians Converter
Convert degrees to radians instantly. Exact factor: 1 ° = 0.01745 rad.
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Convert degrees to radians
The exact conversion factor is 1 ° = 0.01745 rad. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the degrees value by 57.296 (that is, 1 ÷ 0.01745) to get radians.
Worked example
- Take 1 °
- multiply by 57.296
- the result is 0.01745 rad
How to use it
- Enter your degrees
- Read the radians result
- Check the factor line to verify by hand
Frequently asked questions
How many radians are in one degrees?
Exactly 0.01745 rad, by the SI/NIST definition.
How do I convert radians back to degrees?
Divide by 0.01745 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.