Uk import duty calculator free: what a free calculator can actually work out for you, and the three inputs that decide whether its answer is right

What the companies publish for this

How to get a reliable answer from a free calculator

1. Find the commodity code first. It is a ten digit code for imports and it sets the duty rate. Everything the calculator produces depends on it being right.
2. Use the customs value, not the invoice total. Customs value is normally the price paid plus shipping and insurance to the UK border, which is more than most people enter.
3. Treat duty and VAT as separate lines. Duty is charged on the customs value; import VAT is charged on the customs value plus the duty, so VAT is calculated on a larger base.
4. Add the carrier's handling fee yourself. No duty calculator includes it, and on a low value consignment it is frequently the largest single charge.

What the calculation actually is

Duty is a percentage of the customs value, which is normally the price paid for the goods plus the cost of shipping and insurance up to the UK border. The percentage comes from the commodity code and varies from zero to well over ten per cent depending on what the goods are.

Import VAT is then charged on the customs value plus the duty, which means VAT is calculated on a base that already includes the duty. That compounding is the part people most often get wrong when estimating by hand, and it is the part a calculator handles correctly provided the inputs are right.

The commodity code is the whole game

Codes are specific to a degree that surprises people: the same garment in different materials, or the same device with and without a particular function, can carry different rates. A guess that is close is not good enough, because rates do not vary smoothly between neighbouring codes.

The official UK trade tariff lookup is free and authoritative, and it is worth spending ten minutes there rather than accepting a calculator's default. If you are importing the same goods repeatedly, getting the classification confirmed formally is worth doing once, because an incorrect code applied over many shipments becomes an expensive correction.

What no free calculator includes

The carrier's clearance handling fee, which is charged for paying the duty and VAT on your behalf and releasing the goods. It is a flat fee or a percentage with a minimum, and on a low value parcel it is frequently larger than the duty itself.

Also excluded are any excise duty on alcohol or tobacco, which is charged separately and at much higher rates, and any storage accruing if clearance is delayed. A calculator that returns a small number for a bottle of spirits is not wrong about duty; it simply has not been asked about excise.

When the answer is zero and you still pay

Many goods carry a zero duty rate, and people reasonably conclude that nothing is owed. Import VAT is still due on the customs value, and the carrier's handling fee is still charged for collecting it.

There are also reliefs that a calculator will not apply for you, notably returned goods relief where items are genuinely coming home unaltered, and transfer of residence relief on a genuine change of primary residence. Both must be claimed at import with evidence rather than reclaimed comfortably afterwards, so knowing they exist before the goods arrive matters.

Questions people ask about this

Are free UK import duty calculators accurate?

The arithmetic is, but the answer is only as good as the commodity code entered. Rates do not vary smoothly between neighbouring codes, so a close guess can produce a confidently wrong figure.

What value should I enter?

The customs value, normally the price paid plus shipping and insurance to the UK border, rather than the invoice total for the goods alone.

Why is my bill higher than the calculator said?

Almost always the carrier's clearance handling fee, which no duty calculator includes and which on a low value parcel is often larger than the duty itself.

If duty is zero do I pay nothing?

No. Import VAT is still due on the customs value, and the carrier still charges a handling fee for collecting it and releasing the goods.

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