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Degree to Radian Converter
Converts degree to radian instantly. One degree equals 0.0174532925 radian. Includes a reference table and the reverse conversion.
Converters
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Enter a value to convert.
In short
One degree equals 0.0174532925 radian. To convert degree to radian, multiply by 0.0174532925. To go the other way, multiply radian by 57.2957795131. So 5 degree is 0.0872664626 radian, 10 is 0.1745329252 and 100 is 1.745329252. Both units measure angle, so the conversion is a single exact multiplication with no offset — the same factor works in a spreadsheet or in code.
How to use the Degree to Radian Converter
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the Degree to Radian Converter
The Degree to Radian Converter converts degree to radian instantly. One degree equals 0.0174532925 radian. Includes a reference table and the reverse conversion. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.
What people use it for
- Converting a single degree figure without opening a spreadsheet.
- Checking a specification written in degree against equipment rated in radian.
- Getting the factor itself so you can reuse it in a formula.
Details
| 1 Degree | 0.0174532925 Radian |
|---|---|
| 1 Radian | 57.2957795131 Degree |
| Conversion type | Exact multiplication — no offset needed |
| Measures | Angle |
The maths behind it
This tool uses radian = degree × 0.0174532925, because both units are defined against the Degree. Every intermediate value is shown on screen, so the result can be checked by hand.
Frequently asked questions
Do I need an account to use the Degree to Radian Converter?
There is no cost and no cap. The Degree to Radian Converter is not a demo of a paid product, so nothing is held back or watermarked.
Is the Degree to Radian Converter safe to use with private information?
No. The Degree to Radian Converter runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
What formula does the Degree to Radian Converter use?
It uses radian = degree × 0.0174532925, because both units are defined against the Degree. The full working is printed under the result, so you can follow every step rather than trusting a black box.
Give me a worked example.
Enter 10 degree and the Degree to Radian Converter returns 0.1745329252 radian.
What is the Degree to Radian Converter used for?
Typical uses: converting a single degree figure without opening a spreadsheet. Checking a specification written in degree against equipment rated in radian. Getting the factor itself so you can reuse it in a formula. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
What are the key numbers for the Degree to Radian Converter?
1 Degree is 0.0174532925 Radian. 1 Radian is 57.2957795131 Degree. Conversion type is Exact multiplication — no offset needed. These are printed on the page itself, so you do not have to take them on trust.
Can I rely on this for exact work?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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