Arcseconds to Arcminutes (″ → ′)
Formula
1 ″ = 0.016666666666666666 ′Conversion Table
| ″ | ′ |
|---|---|
| 0 | 0 |
| 1.0000 | 0.016667 |
| 2.0000 | 0.033333 |
| 3.0000 | 0.050000 |
| 4.0000 | 0.066667 |
| 5.0000 | 0.083333 |
| 6.0000 | 0.10000 |
| 7.0000 | 0.11667 |
| 8.0000 | 0.13333 |
| 9.0000 | 0.15000 |
| 10.000 | 0.16667 |
| 11.000 | 0.18333 |
| 12.000 | 0.20000 |
| 13.000 | 0.21667 |
| 14.000 | 0.23333 |
| 15.000 | 0.25000 |
| 16.000 | 0.26667 |
| 17.000 | 0.28333 |
| 18.000 | 0.30000 |
| 19.000 | 0.31667 |
| ″ | ′ |
|---|---|
| 20.000 | 0.33333 |
| 21.000 | 0.35000 |
| 22.000 | 0.36667 |
| 23.000 | 0.38333 |
| 24.000 | 0.40000 |
| 25.000 | 0.41667 |
| 26.000 | 0.43333 |
| 27.000 | 0.45000 |
| 28.000 | 0.46667 |
| 29.000 | 0.48333 |
| 30.000 | 0.50000 |
| 31.000 | 0.51667 |
| 32.000 | 0.53333 |
| 33.000 | 0.55000 |
| 34.000 | 0.56667 |
| 35.000 | 0.58333 |
| 36.000 | 0.60000 |
| 37.000 | 0.61667 |
| 38.000 | 0.63333 |
| 39.000 | 0.65000 |
| ″ | ′ |
|---|---|
| 40.000 | 0.66667 |
| 41.000 | 0.68333 |
| 42.000 | 0.70000 |
| 43.000 | 0.71667 |
| 44.000 | 0.73333 |
| 45.000 | 0.75000 |
| 46.000 | 0.76667 |
| 47.000 | 0.78333 |
| 48.000 | 0.80000 |
| 49.000 | 0.81667 |
| 50.000 | 0.83333 |
| 51.000 | 0.85000 |
| 52.000 | 0.86667 |
| 53.000 | 0.88333 |
| 54.000 | 0.90000 |
| 55.000 | 0.91667 |
| 56.000 | 0.93333 |
| 57.000 | 0.95000 |
| 58.000 | 0.96667 |
| 59.000 | 0.98333 |
| ″ | ′ |
|---|---|
| 60.000 | 1.0000 |
| 61.000 | 1.0167 |
| 62.000 | 1.0333 |
| 63.000 | 1.0500 |
| 64.000 | 1.0667 |
| 65.000 | 1.0833 |
| 66.000 | 1.1000 |
| 67.000 | 1.1167 |
| 68.000 | 1.1333 |
| 69.000 | 1.1500 |
| 70.000 | 1.1667 |
| 71.000 | 1.1833 |
| 72.000 | 1.2000 |
| 73.000 | 1.2167 |
| 74.000 | 1.2333 |
| 75.000 | 1.2500 |
| 76.000 | 1.2667 |
| 77.000 | 1.2833 |
| 78.000 | 1.3000 |
| 79.000 | 1.3167 |
Arcseconds to Arcminutes Conversion
Converting Arcseconds (″) to Arcminutes (′) is a common angle conversion. 1 ″ equals 0.016667 ′. For example, 100 ″ is equal to 1.666667 ′.
Quick Mental Math: Arcseconds to Arcminutes
60 arcseconds is 1 arcminute, so scale from that anchor.
Why is converting Arcseconds to Arcminutes tricky?
arcseconds and arcminutes split one full turn into different counts, so people often flip the ratio and divide when they should multiply.
Quick Reference Values
1 ″ = 0.016667 ′. 5 ″ = 0.083333 ′. 10 ″ = 0.166667 ′. 25 ″ = 0.416667 ′. 50 ″ = 0.833333 ′. 100 ″ = 1.666667 ′.
What is Arcseconds?
Arcseconds (″) is a unit of angle. An arcsecond is 1/60 of an arcminute or 1/3600 of one degree. This unit represents 1/1,296,000 of a full circle and is used for very precise angular measurements in astronomy and optics [iso-80000]. One arcsecond equals exactly 1/60 of an arcminute. Divisions of degrees into arcseconds originated from the sexagesimal system used by ancient astronomers and were standardized by international bodies for use in precise angular measurements [iso-80000]. Arcseconds are critical in astronomical observations for locating stars and planets with precision. Surveying and satellite navigation systems also rely on arcseconds globally [nist-si-guide].
What is Arcminutes?
Arcminutes (′) is a unit of angle. An arcminute is a unit of angular measurement equal to 1/60 of one degree. It corresponds to 1/21,600 of a full circle or precisely 1/60 of a degree, where one degree equals 1/360 of a full rotation [iso-80000]. Arcminutes are used to measure small angles in astronomy and navigation. The concept of subdividing degrees into minutes dates back to ancient Babylonian astronomy and was formalized in modern angular measurement systems by international standards organizations in the 20th century [iso-80000]. Arcminutes are widely used in astronomy worldwide for specifying celestial coordinates and resolving power of telescopes. They also appear in cartography and geodesy standards internationally [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: arc second, arc sec, arcsec, arseconds, arc minute, arc min, arcminuteses, arcminutess. All of these refer to the Arcseconds to Arcminutes conversion.