Tooling worked example

Changeover Reduction with current changeover of 38 min: a worked example

Suppose current changeover falls to 38 min. This page works the full calculation at that level so you can see exactly which result moves and by how much. Quantify labor, machine, and capacity value from reducing setup or changeover time.

The inputs for this scenario

  • Current changeover: 38 min (the input this scenario stresses; the baseline uses 75)
  • Future changeover: 35 min (held at the documented default)
  • Changeovers per week: 8 events (held at the documented default)
  • Loaded labor rate: 42 $ / hr (held at the documented default)
  • Machine rate: 60 $ / hr (held at the documented default)
  • Output rate recovered: 90 units / hr (held at the documented default)
  • Production weeks: 50 weeks / yr (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Hours saved = (current − future minutes) × changeovers ÷ 60.
  • Annual savings works out to 2,040 $ / yr at these inputs, and this is the headline figure for the scenario.
  • Hours recovered works out to 20 hr / yr at these inputs.
  • Minutes saved works out to 3 min / changeover at these inputs.
  • Recovered output works out to 1,800 units / yr at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where current changeover sits at 75 min and the headline result is 27,200 $ / yr, this scenario comes in 92.5% below the baseline at 2,040 $ / yr.
  • It computes annual savings, hours recovered, minutes saved per changeover, and recovered output from reducing setup time across a year of production. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Annual savings: 2,040 $ / yr (headline result)
  • Hours recovered: 20 hr / yr
  • Minutes saved: 3 min / changeover
  • Recovered output: 1,800 units / yr

Run it with your numbers

  • To rerun this with your own numbers, open the live Changeover Reduction calculator, set current changeover to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.