Lean Manufacturing & Operations worked example

Direct Labor Efficiency at 99% target labor efficiency: a worked example

Push target labor efficiency up to 99% and the picture changes. This example computes every intermediate figure at that operating point. Use this calculator to measure how efficiently operators convert paid hours into productive output compared to the engineered standard. Values over 100% indicate above-standard performance; below 100% means lost time or slow pace.

The inputs for this scenario

  • Earned (standard) hours from completed work: 30 hrs (unchanged)
  • Actual clocked hours on the job: 36 hrs (unchanged)
  • Target labor efficiency: 99 % (raised for this scenario; the documented default is 90)

Working through the calculation

  • Applying the documented formula (Labor Efficiency = (Earned Hours / Actual Hours) x 100) to the inputs above produces each figure below.
  • At this operating point the engine returns 83.33 % for direct labor efficiency (%), the number this scenario is built around.
  • At this operating point the engine returns 15.67 points for gap to target efficiency.
  • At this operating point the engine returns 30 count for earned (standard) hours.
  • At this operating point the engine returns 36 count for actual hours worked.

How this compares with the baseline

  • Against the tool's baseline example, where target labor efficiency sits at 90% and the headline result is 83.33 %, this scenario lands almost exactly on the baseline at 83.33 %.
  • It computes labor efficiency as earned standard hours divided by actual hours worked, expressed as a percent, plus the point gap to your target. The value of this scenario is the size of the gap it exposes: that gap, priced out over a year, is the budget you can justify spending to close it.

Results at a glance

  • Direct labor efficiency (%): 83.33 % (headline result)
  • Gap to target efficiency: 15.67 points
  • Earned (standard) hours: 30 count
  • Actual hours worked: 36 count

Run it with your numbers

  • Every input above is editable in the live Direct Labor Efficiency calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.