Convert Degrees to Radians
Convert degrees to radians instantly. Type a value below, check the formula and table, then see how the same ° to rad conversion looks as a single line in Notes Calculator.
In Notes Calculator, type 100 degrees to radians and the answer appears as you type.
Degrees to Radians formula
One degree is 0.0174533 radians, so rad = ° × 0.0174533. For the reverse, multiply radians by 57.2958, or use the Radians to Degrees converter.
Degrees to Radians conversion table
| Degrees (°) | Radians (rad) |
|---|---|
| 1 | 0.0174533 |
| 15 | 0.261799 |
| 30 | 0.523599 |
| 45 | 0.785398 |
| 60 | 1.0472 |
| 90 | 1.5708 |
| 120 | 2.0944 |
| 180 | 3.14159 |
| 270 | 4.71239 |
| 360 | 6.28319 |
Degrees to Radians in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 degrees to radians on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix degrees and radians without a separate converter.
| Note | Result |
|---|---|
| 100 degrees to radians | 1.75 rad |
| 100 degrees in radians | 1.75 rad |
| 45 radians as degrees | 2,578.31° |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
Notes Calculator is a notepad calculator for the web and a calculator app for Mac, Windows, Linux, iOS and Android.
More angle conversions
FAQ
Frequently asked questions
How to convert degrees to radians?
One degree equals 0.0174533 radians. To convert degrees to radians, multiply by 0.0174533; to go back, multiply by 57.2958.
How to convert radians to degrees?
One radian equals 57.2958 degrees. To convert radians to degrees, multiply by 57.2958; to go back, multiply by 0.0174533.
How do I convert degrees to radians in Notes Calculator?
Type the value, the unit, and the target unit on one line: 100 degrees to radians. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
Is this degrees to radians converter free?
Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, Android, and iOS with the same unit conversions built in.
Convert degrees to radians without leaving your notes.
Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
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