Friday, October 9, 2026
Calculator

Conveyor RPM Calculator

Roller and motor rpm for a required belt speed, or belt speed from motor rpm and gearbox ratio.

m/min
rpm

Result

Step-by-step calculation

    Formula

    Belt speed (m/min) = π × Roller diameter (m) × Roller rpm Roller rpm = Belt speed ÷ (π × D); Motor rpm = Roller rpm × Gearbox ratio Belt speed from motor = π × D × (Motor rpm ÷ Ratio)

    Worked example

    Calculated with the default values shown in the form.

      Technical notes

      • Use the effective roller diameter including lagging or belt thickness.
      • With a VFD, set the output frequency to the motor rpm needed (rpm ≈ 120 × Hz ÷ poles).

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