Turn to Gradian Converter
Convert Turn (tr) to Gradian (gon) instantly. 1 tr = 400 gon.
Angle Converter
14 units available
1 tr = 400 gon
Formula:
gon = tr × 400With your value: 1 tr = 400 gon
Other Turn to Gradian conversions
Turn to Gradian Conversion Table
| Turn (tr) | Gradian (gon) |
|---|---|
| 0.5 | 200 |
| 1 | 400 |
| 2 | 800 |
| 5 | 2,000 |
| 10 | 4,000 |
| 15 | 6,000 |
| 20 | 8,000 |
| 25 | 10,000 |
| 50 | 20,000 |
| 100 | 40,000 |
| 250 | 100,000 |
| 500 | 200,000 |
| 1000 | 400,000 |
Gradian to Turn Conversion Table
| Gradian (gon) | Turn (tr) |
|---|---|
| 0.5 | 0.00125 |
| 1 | 0.0025 |
| 2 | 0.005 |
| 5 | 0.0125 |
| 10 | 0.025 |
| 15 | 0.0375 |
| 20 | 0.05 |
| 25 | 0.0625 |
| 50 | 0.125 |
| 100 | 0.25 |
| 250 | 0.625 |
| 500 | 1.25 |
| 1000 | 2.5 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Turn (tr)
Angle
The radian is the coherent SI unit of plane angle; the degree is exactly π/180 rad and is accepted for use with the SI.
Source: Units accepted for use with the SI, SI Brochure Table 8
Bureau International des Poids et Mesures · Reviewed 2026-07-01
Gradian (gon)
Angle
The radian is the coherent SI unit of plane angle; the degree is exactly π/180 rad and is accepted for use with the SI.
Source: Units accepted for use with the SI, SI Brochure Table 8
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Turn to Gradian
To convert from Turn (tr) to Gradian (gon), multiply the value by 400.
Formula: gon = tr × 400
Reverse: tr = gon × 0.0025
Step-by-Step Example
- Start with your value in Turn. For example: 5 tr
- Multiply by the conversion factor: 5 x 400
- The result is: 2,000 gon
About Turn
The turn (tr) is a unit of plane angle. One turn equals 360 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: angle calculations, engineering and science, education.
About Gradian
The gradian (gon) is a unit of plane angle. One gradian equals 0.9 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: angle calculations, engineering and science, education.
Frequently Asked Questions
How many Gradian are in 1 Turn?
There are exactly 400 Gradian in 1 Turn. This means the conversion factor from Turn to Gradian is 400.
What is the formula to convert Turn to Gradian?
The formula to convert Turn to Gradian is: gon = tr × 400. For example, to convert 10 Turn to Gradian, you would multiply 10 by 400.
What is a Turn?
The turn (tr) is a unit of plane angle. One turn equals 360 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Gradian?
The gradian (gon) is a unit of plane angle. One gradian equals 0.9 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Turn?
The Turn is commonly used in angle calculations, engineering and science, education.
Related Angle Conversions
Cite this page
UnitConvertLab. (2026). Turn to Gradian converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/turn-to-gradian