Amazon (FBA & FBM) Fee & Profit Calculator UK 2026 | Real-Time Margin Tool
Use this free Amazon UK calculator to estimate referral fees, FBA costs, VAT, and profit margins before listing your product.
Updated for 2026 Amazon UK fee structure.
Amazon FBA Profit Calculator UK
Estimate Amazon fees, FBA costs, profit, margin and ROI before buying stock.
Use an FBA fulfilment fee that already includes Amazon’s current fuel and logistics-related surcharge.
Turn this off if the Amazon fee figures you enter already include VAT or if you want to model the fees without this VAT adjustment. Use the treatment appropriate to your own accounting position.
Enter Your Product Figures
Your personalised Amazon FBA profit assessment will appear here.
SellerStack will assess the expected profitability of this FBA sale.
Percentage of your total revenue consumed by estimated Amazon service fees.
Many products priced at or below £20 may qualify for Amazon’s reduced Low-Price FBA fulfilment rates. Confirm eligibility and use the applicable fulfilment fee above.
Actual fees can vary by category, dimensions, weight, storage duration, Low-Price FBA eligibility, dangerous-goods status, advertising and other account-specific factors.
Fee data reviewed August 2026. Amazon fees vary by category, size, weight, programme eligibility and account circumstances. Always verify the applicable fee in Amazon Seller Central before making an important sourcing or pricing decision.
Best Amazon Seller Tools (UK)
Scale your Amazon business with these high-performance tools.
🚀 Helium 10 Elite
The all-in-one suite for Amazon SEO, keyword research, and listing optimization.
- Cerebro Keyword Research
- Inventory Management
- PPC Audit Tools
🔍 SmartScout Market Intel
Find untapped niches and see exactly what competitors are earning per month.
- Subcategory Analysis
- Brand Search Volume
- Supplier Database
🧮 Marketplace Calculator
Estimate your fees and storage costs accurately before you source.
- Calculates UK Fees
- Storage Cost Estimator
- Instant Net Margin
📘 Inside Your Free Toolkit
Updated for 2026 UK Sellers
Best Amazon Seller Tools Compared (UK)
Compare the top tools to find the best option for keyword research, product sourcing, and profit optimization.
| Tool | Best For | Free Trial | Key Features | Pricing | |
|---|---|---|---|---|---|
| Helium 10 | All-in-one Scaling | ✔️ Yes | Cerebro SEO, Listing Builder, PPC Audit | From £29/mo | Try Helium 10 |
| Jungle Scout | Product Research | ✔️ Yes | Opportunity Finder, Supplier Database | From £39/mo | Start Research |
| TheSellerStack Calc | Profit Accuracy | ✔️ Free | 2026 UK Fees, VAT on fees, major marketplaces | Free | Explore Calculator Hub |
Amazon Fee Calculator UK – FAQs
What fees does the Amazon calculator include?
This calculator includes referral fees (typically 8–15%), FBA fulfillment fees, 20% VAT on fees, storage estimates, and your product COGS to show true net profit.
Do UK Amazon sellers pay VAT on fees?
Yes. Unless you are VAT registered and have provided your VAT number to Amazon, they will charge 20% UK VAT on top of your referral and FBA fees.
Does this work for both FBA and FBM?
Yes. You can toggle between FBA (Fulfilled by Amazon) and FBM (Fulfilled by Merchant) to compare which method leaves you with a higher profit margin.
How accurate is this Amazon calculator?
It provides a high-precision estimate based on the latest 2026 fee schedules. However, always check your Seller Central “Estimated Fee” per SKU for final confirmation.
How can I increase my Amazon profit margins?
Focus on three things: 1. Use our calculator before sourcing to ensure a 30%+ margin. 2. Use Helium 10 to optimize your keywords and reduce PPC waste. 3. Monitor your FBA storage fees to avoid long-term storage charges.