Angle Converter
Angle conversion workspace
Enter a decimal, fraction or quick calculation — for example 12.5, 3/8 or (12*4)+6.5.
Batch conversionconvert up to 100 values at once
No values yet.
Compare all angle units
One input, every supported equivalent. Select any row as the main target.
| Unit | Equivalent | Target action |
|---|---|---|
| Degrees ° | 180 | SourceSource |
| Radians rad | 3.14 | TargetSelected |
| Gradians gon | 200 |
Angle measurements describe rotation.
Sourced factorsFormula
value in target = value × source factor / target factor
Calculations use the central unit catalog and preserve precision until the result is formatted.
Common conversions
| Input | From | To | Result |
|---|---|---|---|
| 180 | Degrees | Radians | 3.14159265359 |
Frequently asked questions
How do degrees, radians and gradians describe a full turn?
One full turn is 360 degrees, 2π radians or 400 gradians. The converter preserves π-based precision until it formats the displayed result.
Are the results rounded?
The calculation retains full JavaScript number precision; the precision control only formats the displayed result.
Accuracy & transparency
Sources & methodology
Calculations keep full numeric precision until display formatting. These references describe the definitions, variants or factors used; links do not imply affiliation.
SI definitions and published coefficients for selected non-SI units.
Reference factors and named variants for commonly used units, including US liquid cooking measures and British stone.
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