Enter the diameter of the pulley and the RPM of the pulley system into the calculator to determine the belt speed.

Belt Speed Formula

The following formula is used to calculate the belt speed of a conveyor system.

V = pi/2 * D * RPM /60

  • Where V is the belt speed (distance/time)
  • D is the diameter of the pulley (length)
  • RPM is rotations per minute

Belt Speed Definition

A belt speed is defined as the linear velocity of the belt on a single conveyor system with a given diameter.

Example Problem

How to calculate belt speed?

  1. First, determine the diameter of the conveyor.

    For this example, the belt is wrapped on a conveyor system that has a diameter of 50m.

  2. Next, determine the rotations per minute of the conveyor.

    For this problem, the RPM is measured to be 15.

  3. Finally, calculate the belt speed.

    Calculate the belt speed using the formula V = pi/2*D*RPM = 3.14159/2*50*15/60 = 19.634 m/s.


How do you calculate conveyor speed?

A conveyor speed, or in this case the linear belt speed, can be calculated using the formula pi/2*D*RPM/60. In this formula, D is diameter and RPM is the rotations per minute of the conveyor. The value is then divided by 60 to convert the speed into distance per second.

belt speed calculator