### Conveyor Calculations for Proper Design

HTTPS2022 7 13 W: Belt weight. Different Calculations to Acquire Belt Speed. Expressed in feet per minute, or FPM, you'll find the accurate belt speed using the following equation. S = D x RPM x .2618 x 1.021. Belt Length. Avoid coming up short or having a belt that extends beyond use by using calculations based on the conveyor's pulleys.