Amazon UK FBA

Amazon UK FBA fee & profit calculator

Estimate profit per unit using packaged dimensions, category fees and your actual costs. Sale dates select standard or festive peak rates.

Reviewed 14 October 2026 · Free to use

1Your product

Selling price (£)Customer price including any VAT.Product cost (£)Effective cost after eligible VAT recovery.

Amazon fee categoryFee names can differ from the ASIN shopping category. DIY & Tools is a shopping department; check the assigned fee category in Seller Central.

2Packaged size & costs

Length (cm)Width (cm)Height (cm)

Weight (kg)Include retail packaging. 500 g = 0.5 kg.Extra costs per unit (£)Inbound shipping, storage, preparation or advertising, after VAT recovery.

Contains lithium batteries or dangerous goodsAdds the published £0.10 handling charge once.

3VAT & sale date

VAT-registered, using normal VAT accountingLeave off if you are not VAT-registered. Default fee VAT is still included in costs.

Change sale date

Sale datePeak fees: 15 October 2026–14 January 2027. Normal fees resume afterward.

Advanced settings & fee overrides

Defaults use the Professional plan without subscription allocation, 20% fee VAT and a 2% digital services fee. Change these when your account differs.

Selling planMonthly units soldOptional: allocate the £25 monthly subscription. Zero excludes it.VAT on Amazon fees (%)Match your invoice rate.Digital services fee rate

Delivery revenue (£)Revenue credited to you.Gift-wrap revenue (£)

Use a confirmed referral percentageOverrides category percentages; published minimum fees still apply.Confirmed referral rate (%)Use a fulfilment fee from AmazonEnter an all-in VAT-exclusive fee including fuel, peak and battery charges. Digital services fees remain separate.Manual fulfilment fee (£, ex VAT)

How the Amazon UK FBA estimate works

The calculator sorts your packaged measurements from longest to shortest, selects a size tier, then applies the appropriate weight rule. It adds category referral fees and the selected Amazon charges before subtracting your effective costs from revenue.

Which weight does Amazon use?

Standard parcels normally use the greater of actual and dimensional weight. Dimensional weight is length × width × height in centimetres divided by 5,000. Envelopes, Low-Price FBA and selected category parcels use actual weight. Oversize tiers have their own limits.

Does this include Low-Price FBA?

Yes. The engine checks the applicable £20 or £10 price ceiling and the published low-price size and weight brackets. Outside those brackets, the appropriate standard tier is used.

What happens during the festive season?

A sale date from 15 October 2026 through 14 January 2027 selects the published peak rates where applicable. Low-Price FBA and apparel exemptions are handled separately. From 15 January 2027, the calculator returns to the stored normal rates. Future Amazon fee changes require a separate rate update.

Can I calculate oversized products?

Yes. Oversize tiers and heavy/special-oversize referral minimums are included. Small-oversize increments differ between the base and festive tables, so that tier displays a verification note. You can override fulfilment with a VAT-exclusive estimate from Amazon, including fuel, peak and battery charges. Digital services fees remain separate.

How should I enter VAT and costs?

Enter the VAT-inclusive customer price. For normal VAT accounting, select your product VAT rate and indicate whether fee VAT is fully recoverable. Product and extra costs should already reflect any VAT you can recover. Special VAT schemes and cross-border transactions require separate treatment.

Are storage, advertising and returns included?

Only if you enter them in Extra costs per unit. Divide the relevant cost across expected sales using your own estimate. Monthly subscription allocation is optional; entering zero monthly units excludes it.

Sources & rate review

Amazon pricing · July 2026 FBA rate card · Amazon selling fees · HMRC VAT. Reviewed 14 October 2026. Your account statement remains the final reference.

Continue reading: FBA size and weight explained or VAT and marketplace fees.