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Yang Ming Demurrage & Detention Calculator

Recompute Yang Ming D&D invoices: free time, tiered daily rates and per-container totals with an editable tariff.

Tariff tiers (editable โ€” paste your carrier's rates)
Tier 1days @$/day
Tier 2days @$/day
Tier 3days @$/day

Set a tier's days to 0 to mean โ€œall remaining daysโ€.

Defaults approximate a common Yang Ming import structure โ€” pull the exact brackets from Yang Ming's published per-country D&D tariff for your trade lane and equipment type.

$970
total for 1 container ยท 6 chargeable days
Free time used5 of 5 days
Tier 1 (4d @ $135/day)4d โ†’ $540
Tier 2 (3d @ $215/day)2d โ†’ $430

With your numbers: 11 days โˆ’ 5 free = 6 chargeable days = 4ร—$135 + 2ร—$215 = $970 per container.

Sources & references

  • Yang Ming โ€” published demurrage & detention tariff (per country/trade)
  • FMC 46 CFR Part 541 billing requirements (US trades)

Demurrage, detention and storage tariffs are set by each carrier, terminal and contract and change frequently. The preloaded figures are editable industry-typical examples, not quotes โ€” always verify against the current published tariff or your service contract before paying or disputing an invoice.

Yang Ming is the Taiwanese line and THE Alliance member with deep intra-Asia and trans-Pacific coverage. Like every carrier it bills demurrage and detention under published per-country tariffs โ€” and like every carrier, its invoices reward shippers who can recompute them. This calculator applies Yang Ming-realistic defaults (5 free days, tiers to $305/day) that you should overwrite with the exact brackets from the tariff page for your trade.

About Yang Ming Demurrage & Detention Calculator

Yang Ming files D&D per country with separate dry, reefer and special-equipment columns โ€” the equipment column is the one importers most often misread. Knowing the carrier's specific mechanics matters more than the generic D&D theory: the tariff document for your country and direction is the contract you're auditing against. Run the calculation at three moments: when the arrival notice lands (budget the dwell you expect), on the last free day (price one more day against premium trucking), and when the invoice arrives (recompute it line by line). The third pass is where audits find money โ€” day-count errors and wrong-column rates survive in a surprising share of carrier invoices.

How to use Yang Ming Demurrage & Detention Calculator

  1. 1Enter days on the d&d clock and how many containers are affected.
  2. 2Set your free days and edit the tariff tiers to match the published tariff or your contract โ€” every figure is editable.
  3. 3Read the per-tier breakdown and the worked example showing exactly how the total is built, day by day.
  4. 4Change the inputs to compare scenarios (pick up now vs later) before the charges harden into an invoice.

Why use Yang Ming Demurrage & Detention Calculator?

  • โœ“Per-tier breakdown mirrors how carrier and terminal billing systems itemise invoices
  • โœ“Every figure โ€” free time, tier days, rates โ€” is editable to match any published tariff
  • โœ“Instant what-if comparisons before charges harden into an invoice
  • โœ“Free and private โ€” all math runs in your browser

Frequently asked questions

Where do I find Yang Ming's official D&D tariff?+

On Yang Ming's website under demurrage & detention (filed per country and direction, usually with effective dates). Use the document in force on your container's discharge date and the column matching your equipment type โ€” then enter those free days and brackets here to recompute the invoice exactly.

What would 11 days on the clock cost with Yang Ming-typical rates?+

With the preloaded example (5 free days, then $135 for 4d, $215 for 3d, $305 after): 6 chargeable days = 4 ร— $135 + 2 ร— $215 = $970 per container. Treat it as a calibration point, not a quote โ€” your filed tariff governs.

Which Yang Ming tariff column applies to my box?+

Match the equipment code on your B/L: dry (22G1/45G1 etc.) reads the dry column; reefers and specials read their own columns with shorter free time and steeper tiers. Misreading the dry column for a flat-rack is among the most common self-inflicted audit errors โ€” set this calculator from the right column and the invoice usually reconciles.

How do I request a Yang Ming free-time extension?+

Before charges accrue, through your booking contact or the carrier portal, citing the specific cause (vessel delay, exam hold, appointment scarcity) with dates and evidence. Carriers grant documented, cause-specific requests far more readily than post-invoice waiver pleas โ€” by the time it's an invoice, it's a dispute instead.

Embed Yang Ming Demurrage & Detention Calculator on your website

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