OEE & Factory Performance worked example

Scrap Impact on OEE at 1.44% target scrap rate: a worked example

Suppose target scrap rate falls to 1.44%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Calculate scrap rate for OEE & Factory Performance: scrapped units as a share of total units produced.

The inputs for this scenario

  • Scrap units: 30 units (held at the documented default)
  • Total units produced: 1,000 units (held at the documented default)
  • Target scrap rate: 1.44 % (the input this scenario stresses; the baseline uses 2)

Working through the calculation

  • The calculation starts from the formula this tool documents: Scrap rate = scrap units ÷ total units produced × 100.
  • Scrap rate works out to 3 % at these inputs, and this is the headline figure for the scenario.
  • Gap to target works out to -1.56 points at these inputs.
  • Scrap units works out to 30 count at these inputs.
  • Total units produced works out to 1,000 count at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where target scrap rate sits at 2% and the headline result is 3 %, this scenario lands almost exactly on the baseline at 3 %.
  • It divides scrap units by total units produced to give a scrap rate as a percentage, then subtracts that rate from your target to show the gap in percentage points. 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

  • Scrap rate: 3 % (headline result)
  • Gap to target: -1.56 points
  • Scrap units: 30 count
  • Total units produced: 1,000 count

Run it with your numbers

  • To rerun this with your own numbers, open the live Scrap Impact on OEE calculator, set target scrap rate to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.