Angle Converter
Convert degrees, radians, gradians, and turns for maths, engineering, and design.
Quick Presets
Common Angles Reference
| Angle | Degrees | Radians | Gradians |
|---|---|---|---|
| Zero angle | 0° | 0 rad | 0 gon |
| 30 degrees | 30° | π/6 ≈ 0.524 | 33.33 gon |
| 45 degrees | 45° | π/4 ≈ 0.785 | 50 gon |
| 90 degrees (right angle) | 90° | π/2 ≈ 1.571 | 100 gon |
| 180 degrees (straight) | 180° | π ≈ 3.142 | 200 gon |
| 270 degrees | 270° | 3π/2 ≈ 4.712 | 300 gon |
| 360 degrees (full turn) | 360° | 2π ≈ 6.283 | 400 gon |
How it works
Degrees to Radians: rad = deg × π/180 Radians to Degrees: deg = rad × 180/π Degrees to Gradians: gon = deg × 10/9 Turns to Degrees: deg = turns × 360
The angle converter instantly converts between degrees, radians, gradians, and turns (full rotations). Enter an angle in any unit and automatically see it converted to all other units. Essential for mathematics, engineering, and programming where different angle representations are commonly used.
Why this matters
Different fields use different angle measurements: degrees are common in everyday use, radians in mathematics and physics, gradians in surveying and engineering, and turns in rotation calculations. This converter eliminates confusion and ensures accuracy across disciplines.
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The complete guide to angle converter
Formulas, examples, and tips explained in plain English