# Seconds of Arc to Revolutions Converter

Enter the angle in seconds of arc below to get the value converted to revolutions.

## Result in Revolutions:

1 arcsec = 7.716E-7 r
Hint: use a scientific notation calculator to convert E notation to decimal

Do you want to convert revolutions to seconds of arc?

## How to Convert Seconds of Arc to Revolutions

To convert a measurement in seconds of arc to a measurement in revolutions, divide the angle by the following conversion ratio: 1,296,000 seconds of arc/revolution.

Since one revolution is equal to 1,296,000 seconds of arc, you can use this simple formula to convert:

revolutions = seconds of arc ÷ 1,296,000

The angle in revolutions is equal to the angle in seconds of arc divided by 1,296,000.

For example, here's how to convert 5,000,000 seconds of arc to revolutions using the formula above.
revolutions = (5,000,000" ÷ 1,296,000) = 3.858025 r

## What Is a Second of Arc?

The second of arc is a unit of angle equal to 1/60th of one minute of arc or 1/3,600 of one degree.

A second of arc is sometimes also referred to as an arc second or arcsecond. Seconds of arc can be abbreviated as arcsec, and are also sometimes abbreviated as asec. For example, 1 second of arc can be written as 1 arcsec or 1 asec.

The second of arc is most commonly expressed using a double prime (″), though a double quote is often used as well. For example, 1 second of arc is most often written as 1″.

## What Is a Revolution?

A revolution, or turn, is equal to 1 rotation around a circle, or 360°. Revolutions are commonly used to measure the speed of rotation, for example when measuring the revolutions per minute (RPM) of a vehicle's engine.

A revolution is sometimes also referred to as a turn, cycle, or complete rotation. Revolutions can be abbreviated as r, and are also sometimes abbreviated as rev or cyc. For example, 1 revolution can be written as 1 r, 1 rev, or 1 cyc.

## Second of Arc to Revolution Conversion Table

Table showing various second of arc measurements converted to revolutions.
Seconds Of Arc Revolutions
1" 0.0000007716 r
2" 0.0000015432 r
3" 0.0000023148 r
4" 0.0000030864 r
5" 0.000003858 r
6" 0.0000046296 r
7" 0.0000054012 r
8" 0.0000061728 r
9" 0.0000069444 r
10" 0.000007716 r
100" 0.00007716 r
1,000" 0.000772 r
10,000" 0.007716 r
100,000" 0.07716 r
1,000,000" 0.771605 r
10,000,000" 7.716 r