Arcsecond to Revolution Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert arcseconds [″] to revolutions [r] or revolutions [r] to arcseconds [″]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert arcseconds to revolutions
There are two simple ways to convert arcseconds [″] to revolutions [r]. In the first calculation method, the value in arcseconds [″] is divided by 1,296,000. The second method multiplies the value in arcseconds [″] by the rounded conversion factor of 7.716 * 10-7.
- Revolutions [r] = arcseconds [″] ÷ 1,296,000
- Revolutions [r] ≈ arcseconds [″] * 7.716 * 10-7
The calculation method with a rounded conversion value is more suitable for rough conversions from arcseconds [″] to revolutions [r], as the calculation result may contain rounding errors. Therefore, the variant with the exact conversion factor is more suitable.
Convert revolutions to arcseconds
Converting revolutions [r] to arcseconds [″] is easy and can be done in two ways. The first method involves multiplication, whereby the value in revolutions [r] is multiplied by 1,296,000. The second variant is a division. Here, the value in revolutions [r] is divided by the rounded conversion factor of 7.716 * 10-7.
- Arcseconds [″] = revolutions [r] * 1,296,000
- Arcseconds [″] ≈ revolutions [r] ÷ (7.716 * 10-7)
The rounded conversion value can cause rounding errors, resulting in inaccurate calculation results. To ensure that the conversion from revolutions [r] to arcseconds [″] produces the most accurate calculation result possible, the conversion should be performed using the exact conversion factor.
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