Angle Converter

Free Online Angle Converter

This tool supports conversion between common angle units including degree, radian, gradian, arcminute, and arcsecond. Enter a value in any unit to see results in all other units in real time. All data is processed locally in your browser — nothing is uploaded to any server, fully protecting your privacy.

Features

• Supports 5 common angle unit conversions
• Covers degree, radian, gradian and arc subdivisions
• All units displayed simultaneously with real-time sync
• Automatic scientific notation for very large or small values
• One-click copy of conversion results
• Pure frontend offline processing, protects user privacy

Common Conversion Formulas

• 1 rad = 180/π °
• 1° = 60′
• 1′ = 60″
• 1 revolution = 360° = 2π rad
• 1 revolution = 400 gon

Common Reference Values

• 1 radian ≈ 57.296°
• π ≈ 3.14159
• Right angle = 90° = π/2 rad
• 1 degree = 60 arcminutes = 3600 arcseconds

How to Use

1. 1Click on any unit card's input field
2. 2Enter a value, other units update in real time
3. 3Click the copy button to copy conversion results