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Radian to Gradian Converter
Converts radian to gradian instantly. One radian equals 63.6619772368 gradian. Includes a reference table and the reverse conversion.
Converters
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Free, unlimited
Enter a value to convert.
In short
One radian equals 63.6619772368 gradian. To convert radian to gradian, multiply by 63.6619772368. To go the other way, multiply gradian by 0.0157079633. So 5 radian is 318.3098861838 gradian, 10 is 636.6197723676 and 100 is 6366.1977236758. 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 Radian to Gradian 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 Radian to Gradian Converter
The Radian to Gradian Converter converts radian to gradian instantly. One radian equals 63.6619772368 gradian. 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 radian figure without opening a spreadsheet.
- Checking a specification written in radian against equipment rated in gradian.
- Getting the factor itself so you can reuse it in a formula.
Details
| 1 Radian | 63.6619772368 Gradian |
|---|---|
| 1 Gradian | 0.0157079633 Radian |
| Conversion type | Exact multiplication — no offset needed |
| Measures | Angle |
The maths behind it
This tool uses gradian = radian × 63.6619772368, 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
Is the Radian to Gradian Converter free, or is there a paid tier?
Free, unlimited, and no email address required. You can use it a hundred times a day and nothing changes.
Does anything I enter leave my computer?
No. The Radian to Gradian Converter runs entirely in your browser using JavaScript. Your input never reaches inputtesthub.com or any third party — open your browser's Network tab while you use it and you will see no request go out.
How is the result calculated?
It uses gradian = radian × 63.6619772368, 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.
What do I get if I try it?
Enter 10 radian and the Radian to Gradian Converter returns 636.6197723676 gradian.
What is the Radian to Gradian Converter used for?
The jobs it is built for: converting a single radian figure without opening a spreadsheet. Checking a specification written in radian against equipment rated in gradian. 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.
Which values should I know?
1 Radian is 63.6619772368 Gradian. 1 Gradian is 0.0157079633 Radian. 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.
How precise is the result?
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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