Arcseconds to Arcminutes (″ to ′) Converter

How to convert arcseconds to arcminutes

Formula′ = ″ × 0.01666666667

Because one arcminute equals 60 arcseconds, you can also divide: ′ = ″ ÷ 60.

An arcsecond is smaller than an arcminute: it takes 60 arcseconds to make one arcminute.

Worked examples

1 arcsecond1 ″ × 0.01666666667 = 0.01666666667 ′
5 arcseconds5 ″ × 0.01666666667 = 0.08333333333 ′
10 arcseconds10 ″ × 0.01666666667 = 0.1666666667 ′
20 arcseconds20 ″ × 0.01666666667 = 0.3333333333 ′
100 arcseconds100 ″ × 0.01666666667 = 1.666666667 ′

Arcseconds to arcminutes conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Arcseconds to arcminutes: 0.1–10 ″
Arcseconds (″)	Arcminutes (′)
0.1 ″	0.0016666667 ′
0.25 ″	0.0041666667 ′
0.5 ″	0.0083333333 ′
1 ″	0.016666667 ′
2 ″	0.033333333 ′
3 ″	0.05 ′
4 ″	0.066666667 ′
5 ″	0.083333333 ′
6 ″	0.1 ′
7 ″	0.11666667 ′
8 ″	0.13333333 ′
9 ″	0.15 ′
10 ″	0.16666667 ′

Arcseconds to arcminutes: 12–1,000 ″
Arcseconds (″)	Arcminutes (′)
12 ″	0.2 ′
15 ″	0.25 ′
20 ″	0.33333333 ′
25 ″	0.41666667 ′
30 ″	0.5 ′
40 ″	0.66666667 ′
50 ″	0.83333333 ′
75 ″	1.25 ′
100 ″	1.6666667 ′
250 ″	4.1666667 ′
500 ″	8.3333333 ′
1,000 ″	16.666667 ′

About the units

Arcsecond (″)

The arcsecond (″) is a unit of angle. One arcsecond equals 0.000004848136811 radians (rad).

Arcminute (′)

One sixtieth of a degree. Rifle-scope adjustments are often given in MOA (minutes of angle). One arcminute equals 0.0002908882087 radians (rad).

Frequently asked questions

How many arcminutes are in one arcsecond?

There are 0.01666666667 arcminutes in one arcsecond, and this value is exact by definition.

How do I convert arcseconds to arcminutes?

Multiply the number of arcseconds by 0.01666666667. For example, 10 ″ × 0.01666666667 = 0.1666666667 ′.

How many arcseconds are in one arcminute?

One arcminute equals 60 arcseconds. That is the reverse factor, 1 ÷ 0.01666666667.

What is 10 arcseconds in arcminutes?

10 ″ = 0.1666666667 ′.

Is this ″ to ′ converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

Arcseconds to Arcminutes Converter