Radian to Turn Converter
Convert Radian (rad) to Turn (tr) instantly. 1 rad = 0.159155 tr.
Angle Converter
14 units available
1 rad = 0.159155 tr
Formula:
tr = rad × 0.1591549431With your value: 1 rad = 0.15915494 tr
Other Radian to Turn conversions
Radian to Turn Conversion Table
| Radian (rad) | Turn (tr) |
|---|---|
| 0.5 | 0.079577 |
| 1 | 0.159155 |
| 2 | 0.31831 |
| 5 | 0.795775 |
| 10 | 1.591549 |
| 15 | 2.387324 |
| 20 | 3.183099 |
| 25 | 3.978874 |
| 50 | 7.957747 |
| 100 | 15.915494 |
| 250 | 39.788736 |
| 500 | 79.577472 |
| 1000 | 159.154943 |
Turn to Radian Conversion Table
| Turn (tr) | Radian (rad) |
|---|---|
| 0.5 | 3.141593 |
| 1 | 6.283185 |
| 2 | 12.566371 |
| 5 | 31.415927 |
| 10 | 62.831853 |
| 15 | 94.24778 |
| 20 | 125.663706 |
| 25 | 157.079633 |
| 50 | 314.159265 |
| 100 | 628.318531 |
| 250 | 1,570.796327 |
| 500 | 3,141.592654 |
| 1000 | 6,283.185307 |
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.
Radian (rad)
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
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
How to Convert Radian to Turn
To convert from Radian (rad) to Turn (tr), multiply the value by 0.1591549431.
Formula: tr = rad × 0.1591549431
Reverse: rad = tr × 6.2831853072
Step-by-Step Example
- Start with your value in Radian. For example: 5 rad
- Multiply by the conversion factor: 5 x 0.1591549431
- The result is: 0.795775 tr
About Radian
The radian is the SI unit of angular measurement. One radian equals approximately 57.296 degrees.
Fun Fact: A full circle contains exactly 2π radians.
Common uses: mathematics, physics, engineering.
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.
Frequently Asked Questions
How many Turn are in 1 Radian?
There are exactly 0.1591549431 Turn in 1 Radian. This means the conversion factor from Radian to Turn is 0.1591549431.
What is the formula to convert Radian to Turn?
The formula to convert Radian to Turn is: tr = rad × 0.1591549431. For example, to convert 10 Radian to Turn, you would multiply 10 by 0.1591549431.
What is a Radian?
The radian is the SI unit of angular measurement. One radian equals approximately 57.296 degrees.
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 are the common uses of Radian?
The Radian is commonly used in mathematics, physics, engineering.
Related Angle Conversions
Cite this page
UnitConvertLab. (2026). Radian to Turn converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/radian-to-turn