How to convert turns to arcseconds
″ = tr × 1,296,000Multiply the value in turns by 1,296,000. To go the other way, multiply by 7.716049383×10⁻⁷ (or divide by 1,296,000).
A turn is larger than an arcsecond: one turn contains 1,296,000 arcseconds.
Worked examples
- 1 turn (revolution)1 tr × 1,296,000 = 1,296,000 ″
- 5 turns5 tr × 1,296,000 = 6,480,000 ″
- 10 turns10 tr × 1,296,000 = 12,960,000 ″
- 20 turns20 tr × 1,296,000 = 25,920,000 ″
- 100 turns100 tr × 1,296,000 = 129,600,000 ″
Turns to arcseconds conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Turns (tr) | Arcseconds (″) |
|---|---|
| 0.1 tr | 129,600 ″ |
| 0.25 tr | 324,000 ″ |
| 0.5 tr | 648,000 ″ |
| 1 tr | 1,296,000 ″ |
| 2 tr | 2,592,000 ″ |
| 3 tr | 3,888,000 ″ |
| 4 tr | 5,184,000 ″ |
| 5 tr | 6,480,000 ″ |
| 6 tr | 7,776,000 ″ |
| 7 tr | 9,072,000 ″ |
| 8 tr | 10,368,000 ″ |
| 9 tr | 11,664,000 ″ |
| 10 tr | 12,960,000 ″ |
| Turns (tr) | Arcseconds (″) |
|---|---|
| 12 tr | 15,552,000 ″ |
| 15 tr | 19,440,000 ″ |
| 20 tr | 25,920,000 ″ |
| 25 tr | 32,400,000 ″ |
| 30 tr | 38,880,000 ″ |
| 40 tr | 51,840,000 ″ |
| 50 tr | 64,800,000 ″ |
| 75 tr | 97,200,000 ″ |
| 100 tr | 129,600,000 ″ |
| 250 tr | 324,000,000 ″ |
| 500 tr | 648,000,000 ″ |
| 1,000 tr | 1,296,000,000 ″ |
About the units
Turn (tr)
The turn (tr) is a unit of angle. One turn equals 6.283185307 radians (rad).
Arcsecond (″)
The arcsecond (″) is a unit of angle. One arcsecond equals 0.000004848136811 radians (rad).
Frequently asked questions
How many arcseconds are in one turn?
There are 1,296,000 arcseconds in one turn, and this value is exact by definition.
How do I convert turns to arcseconds?
Multiply the number of turns by 1,296,000. For example, 10 tr × 1,296,000 = 12,960,000 ″.
How many turns are in one arcsecond?
One arcsecond equals 7.716049383×10⁻⁷ turns. That is the reverse factor, 1 ÷ 1,296,000.
What is 10 turns in arcseconds?
10 tr = 12,960,000 ″.
Is this tr 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.