Last Updated on October 15, 2026 by Syed Sarim Naqvi
Marine cargo insurance covers goods in transit against physical loss or damage, and it is separate from the carrier’s liability, which is usually capped by weight and can fall far short of what the shipment is worth. Cargo is commonly insured for 110% of the invoice value plus freight, premiums are often cited at 0.1% to 0.6% of insured value, and the Institute Cargo Clauses (A), (B) and (C) decide how wide the cover is.
Key Takeaways
- Carrier liability is not cargo insurance: it is limited by conventions and trading conditions and is calculated by weight, not by the value of the goods
- Institute Cargo Clauses (A) give all-risks cover subject to exclusions, while Clauses (B) and (C) cover only named perils
- The market convention is to insure for 110% of the commercial invoice value plus freight
- One freight guide puts premiums at 0.1% to 0.6% of the insured cargo value, with Clause (A) at about 0.3% to 0.6%
- Under CIF, Incoterms 2020 only requires the minimum Clause (C) cover, while CIP requires the broader Clause (A)
What Is Marine Cargo Insurance?
The iContainers explainer describes it as cover for specified physical loss or damage to the insured value of goods in transit, subject to the policy’s terms, exclusions, deductible and documentation requirements. Depending on the policy, it may also respond to general-average contributions and help provide the security required before cargo is released. It is distinct from marine insurance in the broader sense, which Docshipper says also includes ships, terminals, hull and liability cover, while cargo insurance focuses on protecting merchandise from origin to destination.
Why Is Carrier Liability Not Enough?
CargoLinked explains that carrier and forwarder liability is capped by international conventions and trading conditions and is calculated by weight rather than cargo value, so for valuable goods the recoverable amount can be a small fraction of the loss. Handybulk adds that carrier liability is subject to defenses, exceptions, time bars, package limits and contractual terms, and requires proof of the carrier’s responsibility. The Insurance Institute of London makes the same point in a handout for brokers: carriers do not pay full value for lost or damaged cargo because their liability is based on weight.
What Do the Institute Cargo Clauses Cover?
| Clause | Cover | Typical Use |
|---|---|---|
| Clauses (A) | “All risks” of physical loss or damage, subject to stated exclusions | Broadest standard cover; required under CIP |
| Clauses (B) | Named perils only | Mid-level cover for lower-risk cargo |
| Clauses (C) | Named perils, narrower than (B) | The minimum required under CIF in Incoterms 2020 |
The Insurance Institute of London lists the three main sets of clauses and notes other specialist clauses, such as those for frozen food and meat, bulk oil and coal. iContainers cautions that “all risks” never means every possible risk, and the Institute of London handout points to a 1921 House of Lords decision holding that all-risks policies cover only fortuitous damage, not certain or inevitable loss.
How Much Should You Insure For?
CargoLinked says the market convention is 110% of the commercial invoice value plus freight, with the extra 10% covering incidental costs of a loss such as survey fees, disposal and the buyer’s lost margin. It adds that insuring only the invoice value leaves you short, while over-insuring does not pay more, because marine policies indemnify the actual loss rather than the sum insured. Docshipper gives the example of $500,000 of cargo plus 10%, for an insured value of $550,000, and says some policies allow insuring up to 110% to 120% of CIF value.
How Much Does It Cost?
Docshipper says marine insurance premiums range from 0.1% to 0.6% of the insured cargo value depending on coverage type, cargo nature, route and claims history, with all-risks Clause (A) cover at roughly 0.3% to 0.6%. In its worked example, a $550,000 insured value on Clause (A) cost $2,200 in total premium. As an illustration only, at 0.4% the same $550,000 would cost $2,200. Handybulk adds that cost is often small compared with the value of the cargo and the disruption of an uninsured loss.
- Coverage clause: Clause (A) costs more than (B) or (C)
- Cargo and route: fragile, high-value or high-risk goods and routes raise the rate
- Claims history: past losses push rates up
How Do Incoterms Affect Insurance?
Docshipper notes that marine insurance is not universally mandatory by law but becomes contractually required under certain Incoterms. CargoLinked explains that under CIF the seller must insure, but Incoterms 2020 sets the floor at the restricted Clauses (C), while CIP requires all-risks Clauses (A). The Insurance Institute of London handout also cautions that buyers who only purchase CIF may lack control and face problems with overseas insurers and different levels of cover. Before shipping, iContainers advises verifying insured value, covered risks and exclusions, deductible, packing requirements, general-average cover, your Incoterm and the claim documents.
How Does This Connect to the Rest of Specialty Insurance?
Cargo cover shares the agreed-value and named-perils logic of other specialist lines. Compare it with Yacht and Boat Insurance Explained, which also covers the vessel and P&I liability, and Private Jet and Aircraft Insurance Explained for another transport risk. For moving valuables, see Fine Art Insurance Explained and Wine Collection Insurance Explained, and for a storm-driven example, Flood Insurance Explained.
FAQ
What is marine cargo insurance?
Cover for goods in transit against specified physical loss or damage, based on the insured value of the shipment.
Does the carrier’s liability cover my goods?
Only partly. It is capped by conventions and trading terms and calculated by weight, so it can be a small fraction of the cargo’s value.
What is the difference between Clauses A, B and C?
Clause (A) is all-risks subject to exclusions, while Clauses (B) and (C) cover only named perils, with (C) the narrowest.
How much cargo insurance should I buy?
Convention is 110% of the invoice value plus freight, which covers incidental costs and lost margin.
How much does cargo insurance cost?
One guide puts it at 0.1% to 0.6% of insured value, with all-risks Clause (A) at about 0.3% to 0.6%.
Does CIF mean my cargo is fully insured?
Not necessarily. Under Incoterms 2020, CIF only requires the minimum Clause (C) cover.
What is general average?
A maritime principle where cargo owners share in losses made to save a voyage. Cargo insurance can respond to those contributions and help provide the security needed to release cargo.
Glossary
- Institute Cargo Clauses: the standard clause sets (A), (B) and (C) that define cargo cover.
- All Risks: broad cover for physical loss or damage subject to stated exclusions.
- CIF: Cost, Insurance and Freight, an Incoterm that makes the seller arrange minimum insurance.
- CIP: Carriage and Insurance Paid, an Incoterm that requires all-risks cover.
- General Average: shared losses among cargo owners after a sacrifice to save a voyage.
- Insurable Interest: the financial stake that lets a party insure the cargo.
Sources
- CargoLinked: Cargo Insurance and Liability (weight-based carrier liability, 110% convention, CIF and CIP)
- CargoLinked: Cargo Insurance Glossary (liability conventions, claims documentation)
- Docshipper: Marine Insurance Definition (premium range, worked example, Incoterms)
- iContainers: Marine Cargo Insurance Explained (carrier liability versus insurance, pre-shipping checks)
- Insurance Institute of London: Marine Cargo, A Beginner’s Guide (Institute Cargo Clauses, CIF issues)
- Insurance Institute of London: 5 Powerful Reasons Your Clients Need Cargo Insurance (weight-based liability, all-risks case law)
- Handybulk: Marine Cargo Insurance Explained (carrier defenses, cost versus value)
Related reading: Classic Car Insurance Explained · Crop Insurance Explained · Key Person Insurance Explained
Published October 2026. Premiums, clause wording and Incoterm rules vary by insurer and change over time; always read the policy wording and exclusions before shipping, and refresh this article periodically.
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