Measurement, Test & Control Equipment worked example

Service Contract Margin at 29% target gross margin: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop target gross margin to 29%, then walk the calculation through step by step. Calculate the gross margin on your test equipment service contract by comparing contract revenue against your estimated service delivery cost. Determine if your service pricing covers labor, parts, calibration, and travel expenses.

The inputs for this scenario

  • Estimated annual service delivery cost: 18,000 $ (held at the documented default)
  • Annual service contract revenue: 32,000 $ (held at the documented default)
  • Target gross margin: 29 % (the input this scenario stresses; the baseline uses 40)

Working through the calculation

  • The calculation starts from the formula this tool documents: Service contract margin = (contract revenue - service delivery cost) / contract revenue x 100.
  • Service contract gross margin works out to 56.25 % at these inputs, and this is the headline figure for the scenario.
  • Gap to target margin works out to -27.25 points at these inputs.
  • Service delivery cost works out to 18,000 count at these inputs.
  • Contract revenue works out to 32,000 count at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where target gross margin sits at 40% and the headline result is 56.25 %, this scenario lands almost exactly on the baseline at 56.25 %.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to target gross margin, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It uses one annual cost figure and ignores cash-flow timing, warranty exposure and scope creep, so a healthy headline margin can still erode if call volumes run above plan.

Results at a glance

  • Service contract gross margin: 56.25 % (headline result)
  • Gap to target margin: -27.25 points
  • Service delivery cost: 18,000 count
  • Contract revenue: 32,000 count

Run it with your numbers

  • To rerun this with your own numbers, open the live Service Contract Margin calculator, set target gross margin to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.