Conveyors worked example

Required Line Speed at 65% expected line efficiency: a worked example

This worked example runs the required line speed numbers for a tougher week than the baseline: 65% expected line efficiency instead of the typical 90%. Calculate the conveyor or production line speed needed to meet demand at a selected product pitch and efficiency.

The inputs for this scenario

  • Required good output: 1,200 units / hr (held at the documented default)
  • Product pitch on conveyor: 8 in (held at the documented default)
  • Expected line efficiency: 65 % (the input this scenario stresses; the baseline uses 90)

Working through the calculation

  • The calculation starts from the formula this tool documents: Required throughput rate = required output รท line efficiency.
  • Required line speed works out to 20.51 ft / min at these inputs, and this is the headline figure for the scenario.
  • Efficiency-adjusted output rate works out to 1,846 units / hr at these inputs.
  • Product pitch works out to 8 in at these inputs.
  • Line efficiency works out to 65 % at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where expected line efficiency sits at 90% and the headline result is 14.81 ft / min, this scenario comes in 38.46% above the baseline at 20.51 ft / min.
  • Use it when commissioning a line, retiming a VFD after a rate change, or checking whether an existing belt can support a higher production target. A result at this level usually justifies acting on the stressed input before touching anything else, because every other figure in the table is downstream of it.

Results at a glance

  • Required line speed: 20.51 ft / min (headline result)
  • Efficiency-adjusted output rate: 1,846 units / hr
  • Product pitch: 8 in
  • Line efficiency: 65 %

Run it with your numbers

  • To rerun this with your own numbers, open the live Required Line Speed calculator, set expected line efficiency to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.