UK to USA Parcel Shipping Cost: 5 kg, 10 kg, 15 kg and 20 kg Examples (2026)

How much does it cost to send a 5 kg, 10 kg, 15 kg or 20 kg parcel from the UK to the USA? UDS charges a base rate of £7 per chargeable kg, with a 10 kg minimum. That means a 5 kg parcel has a £70 base courier charge, before collection and applicable US import costs. The examples below explain how minimum and volumetric weight affect the price.

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UK to USA Shipping Cost by Parcel Weight

The figures below assume that volumetric weight does not raise the chargeable weight above the actual weight. Where a parcel is large relative to its mass, volumetric weight may apply and the chargeable weight would increase accordingly.

These are illustrative base charges at £7 per chargeable kg. Collection charges and applicable US duties, taxes or clearance fees are separate; dimensions and shipment details may change the quote.

Why Can a 5 kg Parcel Cost the Same as a 10 kg Parcel?

Under the UDS tariff for this service, a minimum chargeable weight of 10 kg applies. This means that even if your parcel weighs less than 10 kg on a scale, the courier charge is calculated as if it weighs 10 kg.

In practice, a 3 kg parcel, a 6 kg parcel and a 10 kg parcel would all produce the same base courier charge of £70 under this tariff, because none of them exceed the 10 kg minimum.

If your parcel is light and compact, the 10 kg minimum is worth factoring into your cost comparison. However, the base charge is not the final quote. Collection charges, volumetric weight and any applicable US import costs can all affect the total amount payable.

Actual Weight Versus Volumetric Weight

International couriers charge based on whichever is greater: the actual weight of the parcel or its volumetric weight. Volumetric weight is a calculated figure that accounts for the space a parcel takes up in transit, rather than how heavy it is.

A large, light box — for example, a parcel containing foam packaging, lightweight clothing or bulky gifts — can have a volumetric weight that is higher than its reading on a set of scales. In that situation, the courier charges based on the higher volumetric figure.

To illustrate: a parcel with an actual weight of 10 kg but a volumetric weight of 14 kg would be charged at 14 kg, subject to the confirmed service rules. This would raise the base charge from £70 to £98 under the £7/kg tariff.

Note: The volumetric divisor used to calculate volumetric weight for this service will be confirmed in your written quotation. Do not apply a standard divisor without checking the specific terms that apply to your shipment.

To avoid a higher-than-expected quote, measure the packed box before requesting a price. Length, width and height all feed into the volumetric calculation.

What Else Affects the Final UK to USA Shipping Quote?

Several factors can move the final figure above the base weight-based charge:

• UK collection address: the postcode for pickup can affect the collection charge, particularly for remote or non-standard delivery areas. Collection from your UK address is separate from the base freight rate.
• US delivery postcode: delivery to certain locations in the USA may carry additional charges or affect service availability.
• Parcel dimensions and chargeable weight: as explained above, volumetric weight can raise the chargeable weight above the actual weight.
• Contents and service suitability: some goods require specific handling or may not be eligible under the standard courier service. Prohibited and restricted items affect whether a shipment can be accepted at all.
• US import duties, taxes and clearance fees may apply according to the goods and current US rules. The former $800 de minimis amount does not automatically make a shipment duty-free. These charges are separate from the UDS courier rate.

For current low-value import rules, see US Customs and Border Protection guidance.

For detailed information on service eligibility, prohibited items and customs requirements, refer to the service page.

How Can You Avoid an Unexpectedly High Quote?

A few straightforward steps before you request a quote can help ensure the figure you receive reflects what you will actually pay:

• Measure the packed box, not just the item inside it. The outer dimensions of the parcel as it will travel are what matter for the volumetric calculation.
• Use appropriately sized packaging. Oversized boxes increase volumetric weight unnecessarily. A box that fits the contents with adequate protection is better than one that leaves excess empty space.
• Provide accurate contents descriptions and declared values. Accurate information is required for export and US customs purposes. Do not understate the weight, dimensions or declared value.
• Request a quote with the full pickup and delivery details. A quote based on incomplete information — such as an estimated weight or a missing delivery postcode — may differ from the confirmed price once all details are supplied.
• Check whether volumetric weight applies. If your parcel is bulky relative to its mass, ask UDS to calculate the chargeable weight before you confirm the booking.

Get an Accurate Quote for Your Parcel

Share your parcel’s actual weight, packed dimensions, contents, UK collection postcode and US delivery postcode to receive an accurate UK to USA courier quote. UDS will confirm the chargeable weight, applicable charges and any collection or destination costs specific to your shipment.

Frequently Asked Questions

Can a 5 kg parcel be billed at 10 kg?

Yes. The UDS tariff for this service applies a 10 kg minimum chargeable weight. A parcel that weighs less than 10 kg on a scale is still charged as if it weighs 10 kg, giving a base courier charge of £70. If the parcel is also large in size, volumetric weight could raise the chargeable weight further.

Can a large box cost more than the weight-table example?

Yes. If the volumetric weight of your parcel is higher than its actual weight, the courier charge is based on the volumetric figure. A lightweight but bulky parcel could therefore produce a higher base charge than the table suggests. Measuring your packed box before requesting a quote helps avoid surprises.