# Number of Angular Rotation Calculator

getcalc.com's **Angular Frequency (ω) Calculator** is an online physics tool to calculate the number of angular rotation of an object per second, in both US customary & metric (SI) units.

## Definition & Formula

**Angular Frequency** is the physical quantity, also known as angular speed or radial frequency which represents the number of angular rotation of an object per second. It's a vector quantity often represented by the symbol ω. The unit of angular frequency is Hertz (hz) in both SI units & US customary units.