Turns to Gradians
Convert turns to gradians instantly. 1 turn = 400 grad. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert turns to gradians
To convert turns to gradians, multiply by 400. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
grad = turn × 400
Turns to Gradians conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Turns | Gradians |
|---|---|
| 1 turn | 400 grad |
| 2 turn | 800 grad |
| 3 turn | 1,200 grad |
| 5 turn | 2,000 grad |
| 10 turn | 4,000 grad |
| 20 turn | 8,000 grad |
| 25 turn | 10,000 grad |
| 50 turn | 20,000 grad |
| 100 turn | 40,000 grad |
| 500 turn | 200,000 grad |
| 1,000 turn | 400,000 grad |
What is a turn?
One full revolution, equal to 2π radians.
What is a gradian?
A 400th of a circle, used in some surveying.
The formula
grad = turn × 400
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the Turns to Gradians
- Type the number of turns you want to convert.
- Read the result in gradians straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked gradians to turns page.
Turns to Gradians — frequently asked questions
How many gradians are in a turn?
One turn equals 400 grad. grad = turn × 400
What is the formula to convert turns to gradians?
The formula is grad = turn × 400. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert gradians back to turns?
Divide instead of multiplying: one gradian is 0.0025 turn. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this turns to gradians free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the turns to gradians.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error