Angle Converter
Convert degrees, radians, gradians, arcminutes, arcseconds, turns and mils — with degrees-minutes-seconds and every unit at once.
- Your data never leaves your device
- 100% free
- No sign-up
- Works offline after first load
How to use the angle converter
- Pick the category and the units to convert from and to.
- Type the value — the result and every other unit appear instantly.
- Swap, convert a list, copy or share the result.
About Angle Converter
Convert degrees, radians, gradians, arcminutes, arcseconds, turns and mils — with degrees-minutes-seconds and every unit at once. The result updates as you type.
Every unit of the category is listed at once, a chart shows common values, and you can swap units, pick the precision or scientific notation, convert a whole list, and share or print the result.
Good for
- Quick everyday conversions
- Engineering, science and homework
- Travel, cooking and shopping
Tip: Use the precision setting to get exactly the number of decimals you need.
Frequently asked questions
Which units are included?
All common metric, imperial and US units for this category — open the From and To lists, or change the category to convert anything else.
Can I see all units at once?
Yes — the result is shown in every unit of the category below the main answer.
Can I convert a list of numbers?
Yes, choose “Convert a list” and paste one value per line.
How do I convert degrees to radians?
Multiply by π/180. For example, 180° = π ≈ 3.1416 radians and 90° ≈ 1.5708 radians.
What is degrees-minutes-seconds?
A way of writing angles in which 1 degree = 60 arcminutes and 1 arcminute = 60 arcseconds, so 12.5° is 12° 30′ 0″.