Octants to Arcseconds (oct → ″)
Formula
1 oct = 162000 ″Conversion Table
| oct | ″ |
|---|---|
| 0 | 0 |
| 1.0000 | 162,000 |
| 2.0000 | 324,000 |
| 3.0000 | 486,000 |
| 4.0000 | 648,000 |
| 5.0000 | 810,000 |
| 6.0000 | 972,000 |
| 7.0000 | 1,134,000 |
| 8.0000 | 1,296,000 |
| 9.0000 | 1,458,000 |
| 10.000 | 1,620,000 |
| 11.000 | 1,782,000 |
| 12.000 | 1,944,000 |
| 13.000 | 2,106,000 |
| 14.000 | 2,268,000 |
| 15.000 | 2,430,000 |
| 16.000 | 2,592,000 |
| 17.000 | 2,754,000 |
| 18.000 | 2,916,000 |
| 19.000 | 3,078,000 |
| oct | ″ |
|---|---|
| 20.000 | 3,240,000 |
| 21.000 | 3,402,000 |
| 22.000 | 3,564,000 |
| 23.000 | 3,726,000 |
| 24.000 | 3,888,000 |
| 25.000 | 4,050,000 |
| 26.000 | 4,212,000 |
| 27.000 | 4,374,000 |
| 28.000 | 4,536,000 |
| 29.000 | 4,698,000 |
| 30.000 | 4,860,000 |
| 31.000 | 5,022,000 |
| 32.000 | 5,184,000 |
| 33.000 | 5,346,000 |
| 34.000 | 5,508,000 |
| 35.000 | 5,670,000 |
| 36.000 | 5,832,000 |
| 37.000 | 5,994,000 |
| 38.000 | 6,156,000 |
| 39.000 | 6,318,000 |
| oct | ″ |
|---|---|
| 40.000 | 6,480,000 |
| 41.000 | 6,642,000 |
| 42.000 | 6,804,000 |
| 43.000 | 6,966,000 |
| 44.000 | 7,128,000 |
| 45.000 | 7,290,000 |
| 46.000 | 7,452,000 |
| 47.000 | 7,614,000 |
| 48.000 | 7,776,000 |
| 49.000 | 7,938,000 |
| 50.000 | 8,100,000 |
| 51.000 | 8,262,000 |
| 52.000 | 8,424,000 |
| 53.000 | 8,586,000 |
| 54.000 | 8,748,000 |
| 55.000 | 8,910,000 |
| 56.000 | 9,072,000 |
| 57.000 | 9,234,000 |
| 58.000 | 9,396,000 |
| 59.000 | 9,558,000 |
| oct | ″ |
|---|---|
| 60.000 | 9,720,000 |
| 61.000 | 9,882,000 |
| 62.000 | 10,044,000 |
| 63.000 | 10,206,000 |
| 64.000 | 10,368,000 |
| 65.000 | 10,530,000 |
| 66.000 | 10,692,000 |
| 67.000 | 10,854,000 |
| 68.000 | 11,016,000 |
| 69.000 | 11,178,000 |
| 70.000 | 11,340,000 |
| 71.000 | 11,502,000 |
| 72.000 | 11,664,000 |
| 73.000 | 11,826,000 |
| 74.000 | 11,988,000 |
| 75.000 | 12,150,000 |
| 76.000 | 12,312,000 |
| 77.000 | 12,474,000 |
| 78.000 | 12,636,000 |
| 79.000 | 12,798,000 |
Octants to Arcseconds Conversion
Converting Octants (oct) to Arcseconds (″) is a common angle conversion. 1 oct equals 162,000 ″. For example, 100 oct is equal to 16,200,000 ″.
Quick Mental Math: Octants to Arcseconds
1 octant is 162000 arcseconds, so scale from that anchor.
Why is converting Octants to Arcseconds tricky?
octants and arcseconds split one full turn into different counts, so people often flip the ratio and divide when they should multiply.
Quick Reference Values
1 oct = 162,000 ″. 5 oct = 810,000 ″. 10 oct = 1,620,000 ″. 25 oct = 4,050,000 ″. 50 oct = 8,100,000 ″. 100 oct = 16,200,000 ″.
What is Octants?
Octants (oct) is a unit of angle. An octant is a unit of angular measurement equal to 45 degrees or one-eighth of a full circle (360 degrees). It is used in historical and navigational contexts to describe angular divisions. One octant corresponds to π/4 radians according to angular standards [iso-80000]. The octant dates to early navigation instruments developed in the 18th century, notably the reflecting octant invented by John Hadley in 1731. It was adopted to improve celestial navigation accuracy before the sextant became widespread [iso-80000]. While largely replaced by degrees and radians, octants remain referenced in historical navigation and maritime heritage. Some naval training and museums preserve knowledge of octants as part of seafaring traditions [nist-sp-811].
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].
Common Misspellings
People often search for this conversion using these alternate spellings: octent, octent angle, octons, octancts, arc second, arc sec, arcsec, arseconds. All of these refer to the Octants to Arcseconds conversion.