rev/h

revolution per hour

Angular speedexact by definition

The revolution per hour is 2π/3600 rad/s, about 1.745 × 10⁻³ rad/s. It is the rate unit of very slow rotating equipment: rotary kilns, trickling filter distributor arms, clarifier rakes and rotating biological contactors all turn at a few revolutions per hour.

1 rev/h 0.0017453293 rad/s