Reshoring & Tariff Strategy worked example

Port Delay Cost Impact at 92% share of delay days billable: a worked example

This scenario runs the port delay cost impact calculation on the strong side: 92% share of delay days billable, with every other input held at its documented default. Use it to size demurrage and carrying-cost exposure from a port congestion event before deciding whether domestic sourcing avoids the risk.

The inputs for this scenario

  • Containers held at port: 12 containers (unchanged)
  • Daily demurrage and carrying rate: 185 $/container/day (unchanged)
  • Share of delay days billable: 92 % (raised for this scenario; the documented default is 80)
  • Expedite and rebooking flat fee: 4,500 $ (unchanged)

Working through the calculation

  • Applying the documented formula (Total delay exposure = containers x daily rate x billable-day share + expedite fee) to the inputs above produces each figure below.
  • At this operating point the engine returns 6,542 $ for total port delay cost impact cost, the number this scenario is built around.
  • At this operating point the engine returns 545 $ / piece for port delay cost impact cost per unit.
  • At this operating point the engine returns 2,042 $ for variable port delay cost impact cost.
  • At this operating point the engine returns 4,500 $ for fixed port delay cost impact adder.

How this compares with the baseline

  • Against the tool's baseline example, where share of delay days billable sits at 80% and the headline result is 6,276 $, this scenario comes in 4.24% above the baseline at 6,542 $.
  • Use it the moment containers go on hold at a terminal or rail ramp, when comparing whether to expedite versus wait, or when reconciling a carrier's demurrage invoice against your own estimate. 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

  • Total port delay cost impact cost: 6,542 $ (headline result)
  • Port delay cost impact cost per unit: 545 $ / piece
  • Variable port delay cost impact cost: 2,042 $
  • Fixed port delay cost impact adder: 4,500 $

Run it with your numbers

  • Every input above is editable in the live Port Delay Cost Impact calculator, which recalculates instantly and can be shared with the inputs intact.

Last reviewed 2026-05-12.