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What are demurrage charges? Definition, example, and how to avoid it
Demurrage fee is charged for delays in loading or unloading goods from transportation. Learn more about the process, cost, and example in the blog.
Global trade involves multiple checkpoints, timelines, and stakeholders — and with each stage comes the possibility of additional fees if shipments don’t move as planned. Among these, demurrage charges are some of the most common. These fees apply when containers remain at a port beyond the allotted free storage period, often due to delays in documentation, customs clearance, or logistics coordination. For exporters and importers alike, understanding how demurrage works is essential to preventing avoidable expenses and ensuring smoother cargo movement. This blog explains what demurrage charges are, why they occur, and practical steps to avoid them.
What is demurrage?
Demurrage is a fee that must be paid for containers that occupy port or terminal space beyond a set period, usually referred to as “free time.” The free time period permits importers and exporters to transport goods freely without incurring additional charges. Once this window closes, daily charges apply until the cargo is cleared. Shipping lines and port authorities use demurrage to encourage timely movement of containers and ensure efficient use of port space.1
Why is demurrage important?
Demurrage charges are essential for efficient port and shipping operations because:
● They help prevent terminals from becoming overcrowded by encouraging containers to move out promptly.
● They avoid delays and inefficiencies caused by containers that sit at terminals too long.
● They also cover the costs of handling containers that overstay. This includes storage, maintenance, monitoring, and other costs.2
Why are demurrage charges imposed?
Demurrage charges are imposed for several reasons. Some of these are as follows:
● Space management: Terminal space is limited, and demurrage incentivizes businesses to clear their cargo promptly, preventing overcrowding.
● Operational costs: Fees help cover the additional costs terminals incur to manage and monitor containers that overstay.
● Resource allocation: By charging demurrage, terminals ensure containers don’t monopolize port resources and space.
● Increased throughput: Demurrage promotes a faster cargo turnover, essential for ports handling high volumes.3
Demurrage for exporters
For exporters, demurrage fees can occur when their goods are not loaded onto a ship within a specified time frame in the early stages of the export logistics process. This can happen if the exporter is not able to provide necessary documentation or if there are issues with cargo. Other reasons include:
Customs issues:
Customs inspections or stringent regulations can halt the shipping process until further investigations are complete.
Documentation errors:
Inconsistent, wrong, or missing documents can prevent a container from receiving clearance for transport.
Logistical delays:
Issues with inland transport (such as delayed trucks or port congestion) may lead to the inability to carry the cargo.4
Demurrage for importers
Importers face demurrage charges when cargo arrives at the destination port and cannot be moved promptly. Such occurrences may be due to:
Incomplete documentation:
Customs clearance may be delayed if importers do not provide additional required documents, including customs paperwork.
Transport delays:
A shortage of available trucks or rail transport may mean, in some cases, that the container will sit at the terminal for longer than planned.
Unanticipated port congestion:
Delays can occur in crowded ports if an importer does not organize cargo pickup on time, thus prolonging port stay.5
How are demurrage charges calculated?
Demurrage fees are determined based on the daily demurrage rates at the terminal and the number of days the cargo exceeds the allotted free period. However, the exact amount varies depending on multiple factors. These include:
Free time:
This refers to the free days available to keep the cargo at a terminal before charges set in, which can be different across shipping lanes and ports. The length of the free time determines when demurrage charges will start getting calculated.
Daily rate:
Once the free period is exhausted, the port levies a predetermined daily fee. These fees accrue in a gradual manner every day and may vary depending on the type of container.
Container type and size:
The daily rate for containers can vary based on type and size. Since larger containers or specialized containers take up more space and may require additional services, the charges for these containers are typically higher.
Port region:
The location of the port and its home country can also impact demurrage charges. Ports located in regions with high demand and limited space typically have high daily rates.
Tips to avoid demurrage charges
The following are some tips that can help exporters avoid demurrage costs:
Plan and schedule in advance
Coordinate pickup and inland transport well before the container arrives at the port. Having transport ready helps reduce wait time at the port and ensures containers move out quickly, even during busy periods.
Prepare documentation early
Gather and verify all required documents — such as invoices, packing lists, and permits—before the cargo arrives. Accurate paperwork helps customs clear the shipment faster and prevents delays caused by errors or missing information.
Leverage tracking tools
Use digital tracking tools to stay updated on vessel schedules, container discharge times, and any deviations in transit. Real-time visibility helps businesses respond quickly to delays or changes and plan transport accordingly. This reduces the likelihood of containers sitting idle past the free time period.
Engage with shipping partners
Maintain regular communication with freight forwarders, carriers, and port authorities to stay informed about cargo status and operational changes. These partners can offer guidance, updates, or alternative arrangements when unexpected issues arise.
Example of demurrage charges
Consider a small Indian business exporting skincare products to the US through a port in Mumbai. Due to unforeseen delays in documentation and unprepared transport arrangements, the brand’s shipment stays at the terminal seven days beyond the allowed free period. If the daily demurrage fee is ₹5,000, the brand will end up paying ₹35,000 in extra charges. This situation could have been avoided by arranging transportation in advance and ensuring that all import documentation was accurate and prepared.
Difference between demurrage and detention charges
Demurrage is charged when the consignee leaves a loaded container at the port or terminal beyond the free storage period, while detention applies when the consignee holds on to the empty container outside the port longer than the allowed time before returning it. Their key differences include:
Feature
Demurrage charges
Detention charges
Definition
Charges for containers remaining at the terminal beyond free time
Charges for containers held by the consignee outside the terminal for longer than agreed upon in the contract
Purpose
Ensures terminal space is cleared
Encourages return of containers
Cost calculation
Daily rate within terminal limits
Daily rate once container is removed
Application
Applies within the terminal
Applies outside the terminal8
Conclusion
Demurrage charges can drastically increase logistics and transportation costs for importers and exporters. Businesses can avoid demurrage charges by planning ahead, preparing all documentation, and engaging with trusted shipping partners. With Amazon Global Selling, Indian businesses can streamline their export processes, access international markets efficiently, and reduce logistical complexities. Exporters can leverage Amazon’s tools and programs to simplify customs documentation and international shipping and avoid delays and unexpected charges like demurrage or detention fees.
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Registered sellers can choose to ship their products by themselves through Merchant Fulfilled Network (MFN) or they can opt for Fulfillment by Amazon (FBA) and outsource order fulfillment to Amazon including packing, storage, delivery, and returns. Amazon Global Selling simplifies the process of international shipping to the world, helping businesses navigate customs and reach a vast audience.
Frequently Asked Questions
1. Who has to pay demurrage?
Cargo owners have to pay demurrage charges.
2. How long does it take before demurrage charges are applied?
The time before demurrage charges is applied varies by carrier and port.
3. What are laytime and demurrage?
Laytime is the time allowed for loading and unloading. Demurrage is a charge for exceeding this time.
4. Do demurrage charges apply to less than container loads (LCL)?
Yes, demurrage charges can apply to LCL shipments if they exceed the free time at the terminal. However, rates and conditions may vary, so businesses should check with their shipping provider.
5. How much is demurrage per day?
Demurrage rates generally range between $50 and $150 per day, depending on the port and container type. Some ports increase daily rates over time to discourage extended stays.
6. What is free time in shipping?
Free time is the period allowed for shippers to clear or move cargo from the terminal without paying demurrage charges. It typically ranges from 3 to 7 days, though this varies by port and contract.
7. What are demurrage rates?
Demurrage rates are daily charges, usually applied per container, that shipping lines impose when containers remain in the port yard beyond the allowed free period before collection.
8. What are the reasons for demurrage?
Demurrage can be charged for various reasons, such as incorrect, late, or lost documents, customs inspections, or an unreachable consignee, that prevent the timely collection of goods from the port.
Published on March 29, 2023.
Updated on December 10, 2025.
Sources:
1. https://www.withvector.com/blog/demurrage-definition/
2. https://www.withvector.com/blog/demurrage-definition/
3. https://www.tradefinanceglobal.com/freight-forwarding/demurrage/
4. https://www.bajajfinserv.in/what-is-demurrage
5. https://www.bajajfinserv.in/what-is-demurrage
6. https://www.clarksons.com/home/glossary/d/what-is-demurrage/
7. https://dimerco.com/blog-post/how-to-avoid-demurrage-and-detention-charges/
8. https://www.tradefinanceglobal.com/freight-forwarding/demurrage-versus-detention/
Updated on December 10, 2025.
Sources:
1. https://www.withvector.com/blog/demurrage-definition/
2. https://www.withvector.com/blog/demurrage-definition/
3. https://www.tradefinanceglobal.com/freight-forwarding/demurrage/
4. https://www.bajajfinserv.in/what-is-demurrage
5. https://www.bajajfinserv.in/what-is-demurrage
6. https://www.clarksons.com/home/glossary/d/what-is-demurrage/
7. https://dimerco.com/blog-post/how-to-avoid-demurrage-and-detention-charges/
8. https://www.tradefinanceglobal.com/freight-forwarding/demurrage-versus-detention/
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