Angle Converter
angle converter
Instant conversion. Swap anytime.
Converted value
0.017453rad
Calculated from your value and units at 6-decimal precision.
Live conversionCommas and scientific notation are supported (for example 1,234.5 or 1e-3).
Conversion updates automatically as you change value, units, or precision.
Advanced options
Conversion details
Formula and exact relation
- 1 ° = 0.01745329252 rad
- 1 rad = 57.295779513082 °
Formula form: rad = ° × 0.01745329252. Display rounding follows your selected precision and does not change base conversion math.
Flow
- Type the angle value.
- Select source and target units.
- Use the result directly in formulas or plotting software.
Example
Worked example: degrees to radians
- 1 Input = 180°
- 2 1 degree = pi/180 radians
- 3 Output = 180 × pi/180 = pi radians
180° equals pi radians.
How
- Type the angle value.
- Select source and target units.
- Use the result directly in formulas or plotting software.
Avoid
- Mixing degrees and radians in trigonometric functions.
- Entering arcminutes when the input source uses decimal degrees.
- Rounding pi-based values too aggressively in multi-step workflows.
Checks
Best fit
Angle Converter is built for convert angular measurements among degrees, radians, gradians, arcminutes, and arcseconds. If Angle Converter does not match the input scope, compare the answer with a second method.
Input check
Match the entered values to this rule before copying the answer: Converted angle = Input × (from-unit to rad) / (to-unit to rad).
Sanity check
For Angle Converter, use the worked example as a quick benchmark: 180° equals pi radians. If the angle converter answer is far away, check whether an input, unit, or mode changed.
Before copying
Review this common issue first: mixing degrees and radians in trigonometric functions.
FAQ
What unit does most calculus software expect?
Many functions default to radians unless degree mode is enabled.
Can I convert tiny angular values?
Yes. Arcminute and arcsecond support is included for small angles.
Is gradian supported?
Yes, gradian (gon) is available in this converter.
Switch
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