FeeFind

Know your profit before you list.

Free calculators for UK online sellers, kept up to date with the latest marketplace fees and HMRC rules.

Fees checked monthlyNo sign-upNothing you type leaves your browser
All platformsNew

What Should I Charge?

The price to list at on eBay, Etsy, Amazon and Vinted to make the profit you want.

eBay

eBay UK Fee & Profit Calculator

Every category, VAT, Promoted Listings, a price finder and bulk mode.

Etsy

Etsy UK Fee & Profit Calculator

All Etsy fees including VAT, Offsite Ads and the new 0.48% regulatory fee.

Amazon

Amazon UK Seller Fee Calculator

Every referral category, the 2% digital services fee, VAT, FBA or your own postage.

eBay vs Vinted

Where should I sell this?

See what you keep and what your buyer pays on each site, side by side.

HMRC & tax

Do I Need to Tell HMRC?

Will eBay or Vinted report you, and do you need to register for Self Assessment?

TaxNew

Reselling Tax Calculator

How much Income Tax and National Insurance you'll pay on your selling profit in 2026/27.