Angle Converter: convert degrees, radians, gradians, arcminutes, and arcseconds instantly, including radian inputs like pi/2 and 1/3pi.
Convert angle units instantly — degrees to radians, radians to degrees, or gradians to degrees. Enter values like pi/2 or 1/3pi for quick results. Perfect for trigonometry, geometry, and navigation.
Most Common Conversion Factors
| ° | rad | grad | arcmin | |
|---|---|---|---|---|
| 1° | 1 | 0.017453 | 1.111111 | 60 |
| 1 rad | 57.29578 | 1 | 63.661977 | 3437.75 |
| 1 grad | 0.9 | 0.015708 | 1 | 54 |
| 1 arcmin | 0.016667 | 2.909 x 10-4 | 0.018519 | 1 |
Angle Converter FAQs
An angle converter converts angle units such as degrees, radians, and gradians. It is useful for trigonometry, geometry, navigation, engineering, and physics calculations.
Enter a value, choose degrees as the source unit, and choose radians as the target unit. This is commonly used in trigonometry, geometry, and math problems involving angles.
Enter the radian value, select radians as the source unit, and select degrees as the target unit. For example, π radians equals 180 degrees.
Yes. You can enter regular numbers or pi-based expressions such as pi/2, pi, 2pi, or 1/3pi when converting radians.
degrees divide a full circle into 360 parts, radians measure angles using the radius of a circle, and gradians divide a full circle into 400 parts.
Use radians for most advanced math, trigonometry, calculus, physics, and programming calculations. Use degrees for everyday angles, navigation, geometry, and many practical measurements.
Yes. This angle converter is useful for trigonometry homework, geometry problems, navigation bearings, engineering calculations, and converting angles used in formulas or diagrams.