Convert Square Arcminute to Square Degree
Convert square arcminutes to square degrees by entering a value below.
How to Convert Square Arcminutes to Square Degrees
The square arcminute and square degree are both units of solid angle. 1 square degree equals 3600.0018909 square arcminutes. This means to convert square arcminutes to square degrees, you divide by 3600.0018909.
Formula
Step-by-Step Example
Convert 5 arcmin² to square degrees:
We need to convert square arcminutes to square degrees
Since 1 deg² = 3600.0018909 arcmin², divide by 3600.0018909
5 ÷ 3600.0018909 = 0.0013888882
5 arcmin² = 0.0013888882 deg²
Square Arcminute to Square Degree Conversion Table
Quick reference table for common square arcminute to square degree conversions. Click any value for detailed calculation.
| Square Arcminutes (arcmin²) | Square Degrees (deg²) |
|---|---|
| 0.1 arcmin² | 2.7777763188e-5 deg² |
| 0.5 arcmin² | 0.0001388888 deg² |
| 1 arcmin² | 0.0002777776 deg² |
| 2 arcmin² | 0.0005555553 deg² |
| 5 arcmin² | 0.0013888882 deg² |
| 10 arcmin² | 0.0027777763 deg² |
| 25 arcmin² | 0.0069444408 deg² |
| 50 arcmin² | 0.0138888816 deg² |
| 100 arcmin² | 0.0277777632 deg² |
About These Units
Square Arcminute (arcmin²)
A square arcminute equals (1/60)² of a square degree or about 8.46×10⁻⁸ steradians. One square degree = 3,600 square arcminutes. Used for small astronomical fields: nebula sizes, galaxy images, and detector pixel scales. Full Moon ≈ 720 arcmin².
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 square arcminutes to square degrees?
To convert square arcminutes to square degrees, divide the value by 3600.0018909. For example, 10 arcmin² = 0.0027777763 deg².
How many square degrees are in 1 square arcminute?
1 square arcminute equals 0.0002777776 square degrees.
What is the formula for square arcminutes to square degrees?
The formula is: deg² = arcmin² ÷ 3600.0018909.