Contract Manufacturing, Job Shop Quoting & Make-to-Order worked example

Make-to-Order Lead Time at 21% queue, setup, inspection, and handoff allowance: a worked example

This scenario runs the make-to-order lead time calculation on the strong side: 21% queue, setup, inspection, and handoff allowance, with every other input held at its documented default. promising due dates for customer-specific jobs before releasing the order

The inputs for this scenario

  • routing operation count for the order: 32 operations (unchanged)
  • routing completion pace: 1.8 operations / hr (unchanged)
  • queue, setup, inspection, and handoff allowance: 21 % (raised for this scenario; the documented default is 18)

Working through the calculation

  • Applying the documented formula (base routing lead time = routing operation count for the order รท routing completion pace) to the inputs above produces each figure below.
  • At this operating point the engine returns 21.51 hr for required make-to-order lead time, the number this scenario is built around.
  • At this operating point the engine returns 17.78 hr for base routing lead time.
  • At this operating point the engine returns 21 % for lead-time allowance applied.
  • At this operating point the engine returns 1.8 operations / hr for routing completion pace.

How this compares with the baseline

  • Against the tool's baseline example, where queue, setup, inspection, and handoff allowance sits at 18% and the headline result is 20.98 hr, this scenario comes in 2.54% above the baseline at 21.51 hr.
  • Use it when quoting turnaround on a make-to-order job or sizing a routing's lead-time offset for scheduling. Treat this as a target state: the delta against the baseline quantifies what the improvement is worth before you commit to chasing it.

Results at a glance

  • required make-to-order lead time: 21.51 hr (headline result)
  • base routing lead time: 17.78 hr
  • lead-time allowance applied: 21 %
  • routing completion pace: 1.8 operations / hr

Run it with your numbers

  • Every input above is editable in the live Make-to-Order Lead Time calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.