Full spheres to steradians
Type a value in spheres to get it in sr instantly.
12.57sr
That's about the same as everything around you. That covers about 100% of everything around you.
Convert the other way: sr to spheres
What it means
How wide is that?
A solid angle describes a cone of directions, not an area. The same solid angle covers more surface the further out you go.
The math
How to convert spheres to sr
To convert full spheres to steradians, multiply by 12.5664.
Example: 1 spheres × 12.5664 = 12.5664 sr.
In the other direction, 1 sr = 0.0795775 spheres.
Every unit
Your solid angle in every unit
Tables
spheres to sr conversion table
| spheres | sr |
|---|---|
| 0.001 spheres | 0.0125664 sr |
| 0.01 spheres | 0.125664 sr |
| 0.1 spheres | 1.25664 sr |
| 0.5 spheres | 6.28319 sr |
| 1 spheres | 12.5664 sr |
| 2 spheres | 25.1327 sr |
| 3.14 spheres | 39.4584 sr |
| 6.28 spheres | 78.9168 sr |
| 9.42 spheres | 118.375 sr |
| 12.566 spheres | 157.909 sr |
sr to spheres conversion table
| sr | spheres |
|---|---|
| 0.001 sr | 7.958×10⁻⁵ spheres |
| 0.01 sr | 0.000795775 spheres |
| 0.1 sr | 0.00795775 spheres |
| 0.5 sr | 0.0397887 spheres |
| 1 sr | 0.0795775 spheres |
| 2 sr | 0.159155 spheres |
| 3.14 sr | 0.249873 spheres |
| 6.28 sr | 0.499747 spheres |
| 9.42 sr | 0.74962 spheres |
| 12.566 sr | 0.999971 spheres |
Quick answers
Quick answers
- How many sr is 1 spheres?
- 1 spheres is 12.5664 sr.
- How many sr is 10 spheres?
- 10 spheres is 125.664 sr.
The units
About these units
Full spheres (spheres)
The whole of space around a point: 4π steradians.
Steradians (sr)
The SI unit: area on a sphere divided by the radius squared.
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