Convert Hemisphere to Percent of Sphere
Type the number of hemispheres that you wish to convert to percent of sphere.
How to Convert Hemispheres to Percent of Sphere
The hemisphere and percent of sphere are both units of solid angle. 1 hemisphere equals 50.000002443 percent of sphere. This means to convert hemispheres to percent of sphere, you multiply by 50.000002443.
Formula
Step-by-Step Example
Convert 5 hemisphere to percent of sphere:
We need to convert hemispheres to percent of sphere
Since 1 hemisphere = 50.000002443 %sphere, multiply by 50.000002443
5 × 50.000002443 = 250.00001222
5 hemisphere = 250.00001222 %sphere
Hemisphere to Percent of Sphere Conversion Table
Quick reference table for common hemisphere to percent of sphere conversions. Click any value for detailed calculation.
| Hemispheres (hemisphere) | Percent of Sphere (%sphere) |
|---|---|
| 1 hemisphere | 50.000002443 %sphere |
| 2 hemisphere | 100.00000489 %sphere |
| 5 hemisphere | 250.00001222 %sphere |
| 10 hemisphere | 500.00002443 %sphere |
| 15 hemisphere | 750.00003665 %sphere |
| 20 hemisphere | 1000.0000489 %sphere |
| 25 hemisphere | 1250.0000611 %sphere |
| 50 hemisphere | 2500.0001222 %sphere |
| 100 hemisphere | 5000.0002443 %sphere |
About These Units
Hemisphere (hemisphere)
A hemisphere equals 2π steradians (≈6.283 sr)—half of a complete sphere. Represents the visible sky from any point on Earth, or one side of a surface. Used in lighting calculations: a horizontal surface receives radiation from a hemisphere of solid angle.
Percent of Sphere (%sphere)
One percent of a full sphere equals 4π/100 ≈ 0.1257 steradians or about 412.5 square degrees. Provides intuitive scale: a hemisphere is 50%, a cone with 60° half-angle covers about 13%. Used in illumination design and radiation calculations.
Frequently Asked Questions
How do I convert hemispheres to percent of sphere?
To convert hemispheres to percent of sphere, multiply the value by 50.000002443. For example, 10 hemisphere = 500.00002443 %sphere.
How many percent of sphere are in 1 hemisphere?
1 hemisphere equals 50.000002443 percent of sphere.
What is the formula for hemispheres to percent of sphere?
The formula is: %sphere = hemisphere × 50.000002443.