WMS, Warehouse Labor & Fulfillment worked example

Packing Labor Cost at 61% pack station labor efficiency: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop pack station labor efficiency to 61%, then walk the calculation through step by step. Estimates the labor cost to pack, seal, and label cartons at the fulfillment pack stations.

The inputs for this scenario

  • Cartons Packed per Period: 4,000 cartons (held at the documented default)
  • Pack Labor Cost per Carton: 1.1 $/carton (held at the documented default)
  • Pack Station Labor Efficiency: 61 % (the input this scenario stresses; the baseline uses 85)
  • Materials & Handling Setup Cost: 1,500 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Total pack cost = cartons x labor per carton x efficiency % + setup cost.
  • Total packing labor cost works out to 4,184 $ at these inputs, and this is the headline figure for the scenario.
  • Packing labor cost per unit works out to 1.05 $ / piece at these inputs.
  • Variable packing labor cost works out to 2,684 $ at these inputs.
  • Fixed packing labor cost adder works out to 1,500 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where pack station labor efficiency sits at 85% and the headline result is 5,240 $, this scenario comes in 20.15% below the baseline at 4,184 $.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to pack station labor efficiency, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. The efficiency percentage here scales the variable labor down as a multiplier — it is not a utilization loss adder, so a value below 100% will reduce, not inflate, the modeled labor spend.

Results at a glance

  • Total packing labor cost: 4,184 $ (headline result)
  • Packing labor cost per unit: 1.05 $ / piece
  • Variable packing labor cost: 2,684 $
  • Fixed packing labor cost adder: 1,500 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Packing Labor Cost calculator, set pack station labor efficiency to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.