Convert Arcseconds to Arcminutes
Convert Arcseconds to Arcminutes instantly. 1 Arcsecond (″) equals 0.01667 Arcminutes (′).
Arcseconds to Arcminutes conversion table
| Arcseconds (″) | Arcminutes (′) |
|---|---|
| 1 ″ | 0.01667 ′ |
| 2 ″ | 0.03333 ′ |
| 3 ″ | 0.05 ′ |
| 5 ″ | 0.08333 ′ |
| 10 ″ | 0.1667 ′ |
| 20 ″ | 0.3333 ′ |
| 50 ″ | 0.8333 ′ |
| 100 ″ | 1.6667 ′ |
| 500 ″ | 8.3333 ′ |
| 1,000 ″ | 16.6667 ′ |
1 Arcsecond = 0.01667 Arcminutes · multiply Arcseconds by 0.01667
About converting Arcseconds to Arcminutes
Arcseconds (″) and Arcminutes (′) are both units of angle, so converting between them is a single multiplication: multiply your Arcseconds figure by 0.01667. Ten Arcseconds comes to 0.1667 Arcminutes, and a hundred works out at 1.6667 Arcminutes.
Rule of thumb: going from Arcseconds to Arcminutes divides, so the figure always shrinks — it takes about 60 Arcseconds to make a single Arcminute. If your answer came out bigger, you have the conversion the wrong way round.
What is an Arcsecond?
The arcsecond is a sixtieth of an arcminute, and it is where angle measurement becomes astronomy. The apparent width of a planet, the separation of a double star and the resolving power of a telescope are all quoted in arcseconds, and Earth’s atmosphere smears ground-based images to roughly an arcsecond of "seeing" — which is precisely why observatories go up mountains and telescopes go into orbit. It is a startlingly small angle: about what a coin subtends from several kilometers away. Precision optics, satellite pointing and surveying instruments all work in arcseconds or finer.
What is an Arcminute?
The arcminute subdivides the degree in base 60, exactly as the minute subdivides the hour — the matching names are not a coincidence but shared Babylonian ancestry. It is the traditional unit of latitude and longitude, where position is written as degrees, minutes and seconds, and that convention pays off at sea: one minute of latitude is one nautical mile, so a navigator can lift distance straight off a chart’s edge. It is also about the limit of human eyesight — a healthy eye resolves detail roughly an arcminute across, which is the standard "20/20 vision" is built around.
To put both in perspective: atmospheric blur limits most ground telescopes to about one arcsecond, while the full moon is about 31 arcminutes across.
The converter above updates as you type, and the table lists common values for quick reference. Need the opposite direction? Use the Arcminutes to Arcseconds converter, or browse all Angle converters.
Frequently asked questions
How many Arcminutes are in one Arcsecond?
There are 0.01667 Arcminutes in one Arcsecond.
How do I convert Arcseconds to Arcminutes?
Multiply the number of Arcseconds by 0.01667. For example, 10 Arcseconds = 0.1667 Arcminutes.
What is 100 Arcseconds in Arcminutes?
100 Arcseconds is equal to 1.6667 Arcminutes.
How do I convert Arcminutes to Arcseconds?
Multiply the Arcminutes value by 60 (or divide by 0.01667).
Is this Arcseconds to Arcminutes conversion exact?
The definition is exact — Arcseconds and Arcminutes are both fixed against the same base by international agreement — but the decimal shown here is rounded for readability, because the true ratio does not terminate. For engineering or scientific work, carry more decimal places than this page displays.
What is an Arcsecond?
The arcsecond is a sixtieth of an arcminute, and it is where angle measurement becomes astronomy. The apparent width of a planet, the separation of a double star and the resolving power of a telescope are all quoted in arcseconds, and Earth’s atmosphere smears ground-based images to roughly an arcsecond of "seeing" — which is precisely why observatories go up mountains and telescopes go into orbit. It is a startlingly small angle: about what a coin subtends from several kilometers away. Precision optics, satellite pointing and surveying instruments all work in arcseconds or finer.
What is an Arcminute?
The arcminute subdivides the degree in base 60, exactly as the minute subdivides the hour — the matching names are not a coincidence but shared Babylonian ancestry. It is the traditional unit of latitude and longitude, where position is written as degrees, minutes and seconds, and that convention pays off at sea: one minute of latitude is one nautical mile, so a navigator can lift distance straight off a chart’s edge. It is also about the limit of human eyesight — a healthy eye resolves detail roughly an arcminute across, which is the standard "20/20 vision" is built around.