Port Demurrage & Detention Daily Fee Calculator
Calculates escalating daily demurrage penalties charged by marine terminals and container detention penalties charged by shipping lines beyond free days.
Total FOB cost including packaging
Suggested retail price paid by end-consumer
Standard Keystone wholesale discount is 50%
Manufacturer Gross Margin: 50.0% ($12.50 / unit)
Keystone pricing (50% off retail) allows the wholesale retailer to double their money while protecting your manufacturing gross profit.
How to Use This Tool in 3 Easy Steps
Enter Free Days Allowed
Enter contractual free days at port (typically 4 to 7 calendar days).
Input Days of Delay
Enter anticipated days container remains at terminal before drayage pickup.
Calculate Demurrage Total
View total carrier and terminal penalties accrued across standard escalation brackets.
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Instant Speed
<5ms client execution
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Native app feel
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Frequently Asked Questions (FAQ)
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