Convert msr to Square Degree
Enter the number of millisteradians that you want to convert to square degrees.
How to Convert Millisteradians to Square Degrees
The millisteradian and square degree are both units of solid angle. 1 millisteradian equals 3.2828065632 square degrees. This means to convert millisteradians to square degrees, you multiply by 3.2828065632.
Formula
Step-by-Step Example
Convert 5 msr to square degrees:
We need to convert millisteradians to square degrees
Since 1 msr = 3.2828065632 deg², multiply by 3.2828065632
5 × 3.2828065632 = 16.414032816
5 msr = 16.414032816 deg²
Millisteradian to Square Degree Conversion Table
Quick reference table for common millisteradian to square degree conversions. Click any value for detailed calculation.
| Millisteradians (msr) | Square Degrees (deg²) |
|---|---|
| 1 msr | 3.2828065632 deg² |
| 2 msr | 6.5656131265 deg² |
| 5 msr | 16.414032816 deg² |
| 10 msr | 32.828065632 deg² |
| 15 msr | 49.242098449 deg² |
| 20 msr | 65.656131265 deg² |
| 25 msr | 82.070164081 deg² |
| 50 msr | 164.14032816 deg² |
| 100 msr | 328.28065632 deg² |
About These Units
Millisteradian (msr)
A millisteradian (msr) equals 0.001 steradians or about 3.28 square degrees. Used in radiometry, photometry, and light source specifications. LED beam angle calculations, radiation detector acceptance angles, and luminous intensity measurements use millisteradians.
Square Degree (deg²)
A square degree (deg² or sq.deg.) equals (π/180)² ≈ 0.000305 steradians. A complete sphere covers 41,253 square degrees. The full Moon is about 0.2 deg². Common in astronomy: survey areas, galaxy cluster sizes, and cosmic microwave background maps.
Frequently Asked Questions
How do I convert millisteradians to square degrees?
To convert millisteradians to square degrees, multiply the value by 3.2828065632. For example, 10 msr = 32.828065632 deg².
How many square degrees are in 1 millisteradian?
1 millisteradian equals 3.2828065632 square degrees.
What is the formula for millisteradians to square degrees?
The formula is: deg² = msr × 3.2828065632.