48 free calculators · no sign-up
See every fee before it hits your payout.
Type what you sold it for. SharpTally itemises what eBay, Etsy, Amazon and PayPal take, line by line, and shows what actually reaches your bank.
Search 48 calculators…Where do you sell?
Tap your platform to open its fee calculator.
Every calculator
48 tools · 7 sectionsMarketplace fees
What eBay, Etsy, Amazon and the rest actually take off a sale.- eBay Profit Calculator
- eBay Fee Calculator
- FBA Calculator
- Etsy Fee Calculator
- Amazon FBA Fee Calculator
- FBA Revenue Calculator
- eBay Fee Calculator UK
- Whatnot Fee Calculator
- Depop Fee Calculator
- Etsy Profit Calculator
- Poshmark Fee Calculator
- Mercari Fee Calculator
- TikTok Shop Fee Calculator
- Shopify Fee Calculator
- Etsy Fee Calculator UK
Pricing & margin
Markup, margin, retail price and MSRP, and the gap between them.Ads & ROAS
ROAS, TACOS, CPM, CPC and the break-even point of a campaign.Customer economics
Lifetime value, acquisition cost, churn, order value and recurring revenue.Unit economics
Break-even, landed cost, COGS and contribution per unit.Payment fees
What PayPal, Stripe and Square take before the money reaches you.Inventory
Order quantity, stock turn and how fast inventory sells through.Why you can trust the numbers
Fees checked on a schedule
Each page shows the date its rates were last checked. The build fails if any rate goes 400 days unchecked.
The formula is on the page
No black box. Every calculator prints the exact formula it uses, with two worked examples.
Share the exact numbers
Every result is a link. Paste it in a thread and it opens with your figures already filled in.