Metals, Steel, Aluminum & Coil Processing worked example

Coil Yield at 68% target coil yield: a worked example in metals, steel, aluminum & coil processing

Here is what the math looks like when conditions slip. We hold every other input steady and drop target coil yield to 68%, then walk the calculation through step by step. Calculate coil yield by comparing the prime weight you ship against the master coil weight you ran, then see how far the result sits from your yield target.

The inputs for this scenario

  • Prime output weight: 24,000 lb (held at the documented default)
  • Master coil weight processed: 25,000 lb (held at the documented default)
  • Target coil yield: 68 % (the input this scenario stresses; the baseline uses 95)

Working through the calculation

  • The calculation starts from the formula this tool documents: Coil yield = prime output weight ÷ master coil weight processed × 100.
  • Coil yield works out to 96 % at these inputs, and this is the headline figure for the scenario.
  • Yield gap to target works out to -28 points at these inputs.
  • Prime output weight works out to 24,000 count at these inputs.
  • Master coil weight processed works out to 25,000 count at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where target coil yield sits at 95% and the headline result is 96 %, this scenario lands almost exactly on the baseline at 96 %.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to target coil yield, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. Yield by weight does not tell you where loss occurred; a low number could be edge trim, crop ends, or in-process rejects, so pair it with a scrap breakdown to act on it.

Results at a glance

  • Coil yield: 96 % (headline result)
  • Yield gap to target: -28 points
  • Prime output weight: 24,000 count
  • Master coil weight processed: 25,000 count

Run it with your numbers

  • To rerun this with your own numbers, open the live Coil Yield calculator, set target coil yield to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.