Free Angle Converter Online
Convert angle measurements between degrees, radians, gradians, and other units. Free, fast, and works entirely in your browser with no sign-up required.
Angle Converter
Convert between 18 angle units \u2014 degrees, radians, gradians, mils, compass points & more. Includes trig calculator, unit circle reference, and visual comparison.
Common Presets
Angle Converter
90 Degrees
= 1.570796 Radians
1 ° = 0.01745329 rad
DMS: 90° 0′ 0″
Favorites
90 °
Degrees
1.570796 rad
Radians
100 grad
Gradians
0.25 turn
Turns
Conversion Table
Degrees
Radians
Gradians
Turns
Points (compass)
Quadrants
Sextants
Hour Angles
Signs (zodiac)
Arcminutes
Arcseconds
Milliradians
Microradians
Milliarcseconds
NATO Mils
Soviet Mils
Swedish Streck
Binary Degrees
Frequently Asked Questions
What is the Angle Converter?
The Angle Converter is a free online tool that converts between degrees, radians, and gradians for mathematical and engineering calculations.
Is the Angle Converter free?
Yes, it is completely free with no registration required. All conversions happen client-side in your browser.
What angle units are supported?
The Angle Converter supports degrees, radians, gradians (gons), turns, and arc minutes/seconds.
Is my data safe with this tool?
Absolutely. The Angle Converter processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the Angle Converter work on mobile devices?
Yes, the Angle Converter is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the Angle Converter in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
How do I use the Angle Converter?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The Angle Converter works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About Free Angle Converter Online
Free Angle Converter Online is a free, browser-based tool in our Converter Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.