Octant to Radian Converter
Convert Octant (oct) to Radian (rad) instantly. 1 oct = 0.785398 rad.
Angle Converter
14 units available
1 oct = 0.785398 rad
Formula:
rad = oct × 0.7853981634With your value: 1 oct = 0.78539816 rad
Other Octant to Radian conversions
Octant to Radian Conversion Table
| Octant (oct) | Radian (rad) |
|---|---|
| 0.5 | 0.392699 |
| 1 | 0.785398 |
| 2 | 1.570796 |
| 5 | 3.926991 |
| 10 | 7.853982 |
| 15 | 11.780972 |
| 20 | 15.707963 |
| 25 | 19.634954 |
| 50 | 39.269908 |
| 100 | 78.539816 |
| 250 | 196.349541 |
| 500 | 392.699082 |
| 1000 | 785.398163 |
Radian to Octant Conversion Table
| Radian (rad) | Octant (oct) |
|---|---|
| 0.5 | 0.63662 |
| 1 | 1.27324 |
| 2 | 2.546479 |
| 5 | 6.366198 |
| 10 | 12.732395 |
| 15 | 19.098593 |
| 20 | 25.464791 |
| 25 | 31.830989 |
| 50 | 63.661977 |
| 100 | 127.323954 |
| 250 | 318.309886 |
| 500 | 636.619772 |
| 1000 | 1,273.239545 |
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.
Octant (oct)
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
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
How to Convert Octant to Radian
To convert from Octant (oct) to Radian (rad), multiply the value by 0.7853981634.
Formula: rad = oct × 0.7853981634
Reverse: oct = rad × 1.2732395447
Step-by-Step Example
- Start with your value in Octant. For example: 5 oct
- Multiply by the conversion factor: 5 x 0.7853981634
- The result is: 3.926991 rad
About Octant
The octant (oct) is a unit of plane angle. One octant equals 45 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 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.
Frequently Asked Questions
How many Radian are in 1 Octant?
There are exactly 0.7853981634 Radian in 1 Octant. This means the conversion factor from Octant to Radian is 0.7853981634.
What is the formula to convert Octant to Radian?
The formula to convert Octant to Radian is: rad = oct × 0.7853981634. For example, to convert 10 Octant to Radian, you would multiply 10 by 0.7853981634.
What is a Octant?
The octant (oct) is a unit of plane angle. One octant equals 45 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 Radian?
The radian is the SI unit of angular measurement. One radian equals approximately 57.296 degrees.
What are the common uses of Octant?
The Octant is commonly used in angle calculations, engineering and science, education.
Related Angle Conversions
Cite this page
UnitConvertLab. (2026). Octant to Radian converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/octant-to-radian