Screw Conveyor Calculator

Calculate screw conveyor capacity, power requirement, and torque for material transport systems.

Outside diameter of the screw flight. 6", 9", 12", 18" common.
mm
Distance per revolution. Full pitch = screw diameter.
mm
Rotational speed. Max depends on diameter and material.
rpm
Material fill level. 15-45% depending on material.
%
Grain: 750, Sand: 1500, Cement: 1200 kg/m³.
kg/m³
Total length of the screw conveyor.
m

Results

Capacity-t/h
Motor Power-kW
Screw Torque-N·m
Linear Material Speed-m/min
References: CEMA No. 350 — Screw Conveyors; ANSI/CEMA 350