Heat Exchanger, Coil & Radiator Manufacturing worked example

Test Stand Utilization at 68% target test utilization: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop target test utilization to 68%, then walk the calculation through step by step. Calculate utilization of a leak, pressure, burst, airflow, water flow, or thermal performance test stand from used time, available time, and target utilization.

The inputs for this scenario

  • Used test stand time: 180 hr (held at the documented default)
  • Available test stand time: 200 hr (held at the documented default)
  • Target test utilization: 68 % (the input this scenario stresses; the baseline uses 95)

Working through the calculation

  • The calculation starts from the formula this tool documents: Test stand utilization = used test stand time ÷ available test stand time.
  • Test stand utilization works out to 90 % at these inputs, and this is the headline figure for the scenario.
  • Gap to utilization target works out to -22 points at these inputs.
  • Used test stand time works out to 180 hr at these inputs.
  • Available test stand time works out to 200 hr at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where target test utilization sits at 95% and the headline result is 90 %, this scenario lands almost exactly on the baseline at 90 %.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to target test utilization, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. High utilization is not always good — running a bench near 100% leaves no slack for re-tests and breakdowns, so read this alongside reject and downtime figures.

Results at a glance

  • Test stand utilization: 90 % (headline result)
  • Gap to utilization target: -22 points
  • Used test stand time: 180 hr
  • Available test stand time: 200 hr

Run it with your numbers

  • To rerun this with your own numbers, open the live Test Stand Utilization calculator, set target test utilization to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.