Revolutions (rev) to Arcminutes (′) Conversion
Revolutions
A revolution (rev) is a unit of angle equal to exactly one complete rotation — 360 degrees, 2π radians, or 400 gradians. It is used in engineering and mechanics to describe rotational motion, most commonly as revolutions per minute (RPM) — the standard measure of rotational speed for engines, motors, turbines, and drill bits. A car engine at idle typically runs at 700–900 RPM; at highway cruising speed, 2,000–3,000 RPM. In astronomy, the orbital period of Earth is exactly one revolution around the Sun per year.
Arcminutes
The arcminute (′, Unicode U+2032) is a unit of angle equal to exactly 1/60 of a degree, or π/10,800 radians. It is used in astronomy to describe the apparent size of celestial objects — the full Moon subtends approximately 30 arcminutes (half a degree) as seen from Earth. In navigation, position coordinates are routinely expressed in degrees and arcminutes: 51°30′N is the latitude of London. In optics, the resolving power of the human eye is approximately 1 arcminute, which is why standard vision charts are designed accordingly.
| Revolutions (rev) | Arcminutes (′) |
|---|---|
| 0.1 rev | 2159.9999999568 ′ |
| 1 rev | 21599.999999568 ′ |
| 2 rev | 43199.999999136 ′ |
| 3 rev | 64799.999998704 ′ |
| 5 rev | 107999.99999784 ′ |
| 10 rev | 215999.99999568 ′ |
| 20 rev | 431999.99999136 ′ |
| 30 rev | 647999.99998704 ′ |
| 50 rev | 1079999.9999784 ′ |
| 100 rev | 2159999.9999568 ′ |
| 1000 rev | 21599999.999568 ′ |