Demurrage and Detention Charges Explained (2026 Logistics Guide)
Learn what demurrage and detention charges are, how they work in shipping, why they occur, and how Indian importers and exporters can avoid them.
8 min read
Demurrage and detention charges are among the most common hidden costs in international shipping. Many importers and exporters in India only learn about them after facing expensive delays at ports or warehouses.
These charges can quickly increase logistics costs, especially during customs delays, port congestion, or slow cargo pickup.
In this guide, we explain demurrage and detention charges in simple language with practical examples, cost breakdowns, and tips to avoid them.
What is Demurrage?
Demurrage is charged when a container remains inside the port or terminal after the free storage period expires.
- Applies inside port or terminal
- Charged by shipping line or terminal
- Common during customs delays
- Daily charges increase over time
What is Detention?
Detention is charged when the importer or exporter keeps the container outside the port longer than the allowed free period.
- Applies outside terminal
- Charged until empty container is returned
- Common during unloading delays
- Can apply to imports and exports
Demurrage vs Detention
| Factor | Demurrage | Detention |
|---|---|---|
| Location | Inside port/terminal | Outside terminal |
| When Charged | Container not picked up | Container not returned |
| Responsible Party | Importer/exporter | Importer/exporter |
| Main Cause | Port delay | Slow unloading/return |
How Free Days Work
Shipping lines provide a limited number of free days before charges start.
| Charge Type | Typical Free Days |
|---|---|
| Demurrage | 3–7 days |
| Detention | 5–14 days |
Typical Demurrage and Detention Charges in India
| Container Type | Approx Daily Charge |
|---|---|
| 20ft container | ₹2,000 – ₹8,000/day |
| 40ft container | ₹4,000 – ₹12,000/day |
| Reefer container | Higher charges apply |
Common Reasons for These Charges
- Customs clearance delays
- Incomplete shipping documents
- Port congestion
- Delayed cargo pickup
- Slow unloading at warehouse
Real Example: Import Delay at JNPT
An electronics importer in Mumbai delays customs duty payment, causing the container to remain at JNPT terminal for 8 extra days.
The importer may face both demurrage charges from the terminal and additional detention charges if the container return is delayed.
How Businesses Can Avoid Demurrage & Detention
- Complete customs documentation early
- Pay import duties quickly
- Track vessel arrival schedules
- Arrange transport before cargo arrival
- Return empty containers on time
Who Pays These Charges?
Responsibility depends on the shipping agreement and Incoterms used.
- Importer usually pays for import delays
- Exporter may pay for export-related delays
- Terms like FOB or CIF can affect responsibility
Impact on Logistics Cost
Demurrage and detention can significantly increase total shipping cost if delays continue for several days.
| Delay Duration | Possible Additional Cost |
|---|---|
| 3 days | ₹6,000 – ₹25,000 |
| 7 days | ₹20,000 – ₹70,000 |
| 15+ days | ₹50,000+ possible |
India-Specific Insights
- Common at JNPT, Mundra, Chennai ports
- Port congestion increases charges during peak season
- ICDs can also apply storage-related charges
- Customs delays are a major cause in India
Process section
Step 1: Container Arrival
Container arrives at terminal or port.
- Free storage period starts
- Customs process begins
Step 2: Customs & Cargo Handling
Importer/exporter completes customs clearance and transport arrangements.
- Duty payment
- Document verification
Step 3: Free Days Expire
Charges start once allowed free days are exceeded.
- Demurrage inside port
- Detention outside port
Step 4: Container Return
Empty container must be returned to avoid further detention charges.
- Container inspection
- Final settlement
Key Takeaways
- Demurrage applies inside the terminal while detention applies outside
- Delays in customs and cargo pickup increase charges quickly
- Proper planning helps avoid expensive penalties
- Container return timing is critical in international shipping
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Contents
- What is Demurrage?
- What is Detention?
- Demurrage vs Detention
- How Free Days Work
- Typical Demurrage and Detention Charges in India
- Common Reasons for These Charges
- Real Example: Import Delay at JNPT
- How Businesses Can Avoid Demurrage & Detention
- Who Pays These Charges?
- Impact on Logistics Cost
- India-Specific Insights
- Process section
- Step 1: Container Arrival
- Step 2: Customs & Cargo Handling
- Step 3: Free Days Expire
- Step 4: Container Return