Gradians to Turns
Convert gradians to turns instantly. 1 grad = 0.0025 turn. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert gradians to turns
To convert gradians to turns, divide by 400 (multiply by 0.0025). 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.
turn = grad × 0.0025
Gradians to Turns conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Gradians | Turns |
|---|---|
| 1 grad | 0.0025 turn |
| 2 grad | 0.005 turn |
| 3 grad | 0.0075 turn |
| 5 grad | 0.0125 turn |
| 10 grad | 0.025 turn |
| 20 grad | 0.05 turn |
| 25 grad | 0.0625 turn |
| 50 grad | 0.125 turn |
| 100 grad | 0.25 turn |
| 500 grad | 1.25 turn |
| 1,000 grad | 2.5 turn |
What is a gradian?
A 400th of a circle, used in some surveying.
What is a turn?
One full revolution, equal to 2π radians.
The formula
turn = grad × 0.0025
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 Gradians to Turns
- Type the number of gradians you want to convert.
- Read the result in turns 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 turns to gradians page.
Gradians to Turns — frequently asked questions
How many turns are in a gradian?
One gradian equals 0.0025 turn. turn = grad × 0.0025
What is the formula to convert gradians to turns?
The formula is turn = grad × 0.0025. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert turns back to gradians?
Divide instead of multiplying: one turn is 400 grad. 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 gradians to turns 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 gradians to turns.
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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