Convert Milliarcsecond to Arcminute
Type the number of milliarcseconds that you wish to convert to arcminutes.
How to Convert Milliarcseconds to Arcminutes
The milliarcsecond and arcminute are both units of angle. 1 arcminute equals 59999.952001 milliarcseconds. This means to convert milliarcseconds to arcminutes, you divide by 59999.952001.
Formula
Step-by-Step Example
Convert 5 mas to arcminutes:
We need to convert milliarcseconds to arcminutes
Since 1 ′ = 59999.952001 mas, divide by 59999.952001
5 ÷ 59999.952001 = 8.3333399998e-5
5 mas = 8.3333399998e-5 ′
Milliarcsecond to Arcminute Conversion Table
Quick reference table for common milliarcsecond to arcminute conversions. Click any value for detailed calculation.
| Milliarcseconds (mas) | Arcminutes (′) |
|---|---|
| 0.1 mas | 1.666668e-6 ′ |
| 0.5 mas | 8.3333399998e-6 ′ |
| 1 mas | 1.666668e-5 ′ |
| 2 mas | 3.3333359999e-5 ′ |
| 5 mas | 8.3333399998e-5 ′ |
| 10 mas | 0.0001666668 ′ |
| 25 mas | 0.000416667 ′ |
| 50 mas | 0.000833334 ′ |
| 100 mas | 0.001666668 ′ |
About These Units
Milliarcsecond (mas)
A milliarcsecond (mas) is 1/1000 of an arcsecond. Milliarcseconds measure stellar parallax (nearest star: 768 mas), proper motion, and high-precision astrometry. The Gaia satellite measures positions to ~0.02 mas accuracy.
Arcminute (′)
An arcminute (′ or MOA) is 1/60 of a degree. Arcminutes measure astronomical object sizes (Moon: ~31 arcminutes), visual acuity (normal vision resolves 1 arcminute), and rifle scope adjustments (1 MOA ≈ 1 inch at 100 yards). GPS coordinates use degrees and arcminutes.
Frequently Asked Questions
How do I convert milliarcseconds to arcminutes?
To convert milliarcseconds to arcminutes, divide the value by 59999.952001. For example, 10 mas = 0.0001666668 ′.
How many arcminutes are in 1 milliarcsecond?
1 milliarcsecond equals 1.666668e-5 arcminutes.
What is the formula for milliarcseconds to arcminutes?
The formula is: ′ = mas ÷ 59999.952001.