Mercari Fees Calculator

What this computes

Mercari's fee math is the simplest of the major resale marketplaces — one flat percentage, no per-order fee, no separate payment processing line. That simplicity hides two things sellers routinely get wrong. First, the 10% applies to the total the buyer pays you, including buyer-paid shipping, not just the item price. Second, what Mercari calls your "earnings" is not profit: the shipping label (if you pay for it) comes out of that number, and your inventory cost never appears in the app at all.

This calculator runs the full chain: listing price in, selling fee out, label out, item cost out — down to net profit, margin, ROI on what you paid for the item, and the breakeven listing price below which a sale loses money. It also shows the buyer's all-in price, because since January 2025 Mercari buyers pay a 3.6% Buyer Protection fee on top of your listing price, and that affects how your price compares to the same item elsewhere.

How Mercari fees work (as of June 2026)

The current structure took effect on January 6, 2025 and is unchanged as of June 2026:

• Selling fee: flat 10% of the total sale amount — item price plus any shipping the buyer pays. Deducted from your earnings automatically.
• No payment processing fee. Processing is bundled into the 10%. There is also no per-order flat fee, so cheap items aren't penalized the way eBay's $0.40 per-order charge penalizes them.
• Buyer Protection fee: 3.6% of item plus buyer-paid shipping, charged to the buyer at checkout, along with sales tax. It never touches your payout — but your $40 listing costs the buyer $41.44 before tax, which is worth knowing when you price against other marketplaces.
• Shipping: either the buyer pays it (added to the fee base) or you do (label cost deducted from earnings). Mercari prepaid labels are deducted automatically; if you ship on your own, the label is still your cost.
• Cash-out: standard ACH direct deposit is free. Instant Pay to a debit card costs a flat $3.

One sentence of history, because outdated guides still circulate: in March 2024 Mercari eliminated seller fees entirely and pushed costs onto buyers, then reversed course — the 10% seller fee returned effective January 6, 2025, with the smaller 3.6% buyer-side fee remaining. Anything you read about "zero-fee Mercari" describes a structure that lasted less than a year.

The math

Total sale       = Item price + Buyer-paid shipping
Selling fee      = Total sale × 10%
Net payout       = Total sale − Selling fee − Your label cost
                 − Instant Pay fee ($3 if used, else $0)
Net profit       = Net payout − Item cost
Profit margin    = Net profit / Item price
Return on cost   = Net profit / Item cost
Breakeven price  = (Label cost + Instant Pay fee + Item cost) / 0.90
                 − Buyer-paid shipping
Buyer total      = Total sale × 1.036 (before sales tax)

A worked example

You list a denim jacket at $40 with free shipping. The label costs you $8, and you bought the jacket for $12 at a thrift store. No Instant Pay.

• Total sale: $40 + $0 = $40.00
• Selling fee: $40 × 0.10 = $4.00
• Net payout: $40 − $4 − $8 = $28.00
• Net profit: $28 − $12 = $16.00
• Margin on item price: $16 / $40 = 40.0%
• ROI on inventory: $16 / $12 = 133.3%
• Breakeven price: ($8 + $12) / 0.90 = $22.22
• Buyer pays: $40 + ($40 × 0.036) = $40 + $1.44 = $41.44 before sales tax

Check the breakeven by hand: at a $22.22 listing, Mercari leaves you 90% — $20.00 — which exactly covers the $8 label and the $12 you paid for the jacket. List below that and the sale loses money. And if you cash out the $28 with Instant Pay, the $3 fee cuts the deposit to $25 and profit to $13 — that single flat fee is 10.7% of the payout, proportionally more than the selling fee itself.

The fee is one flat number. The shipping label is what quietly decides whether you made money.

On a $40 sale, the $4 fee is predictable. The $8 label is the variable that swings: ship a heavier jacket and a $12 label turns the same sale into $12 profit; pass shipping to the buyer and your profit rises by 90 cents on every shipping dollar (the other 10 cents go to the fee). Run both versions in the calculator before you decide how to list.

How to use this

1. Start with a real listing. Your asking price, what the buyer would pay for shipping (zero if you offer free shipping), what the label actually costs you, and what you paid for the item.
2. Check the breakeven before accepting offers. Mercari buyers negotiate constantly. The breakeven figure tells you the listing price at which profit hits zero — any offer below it loses money by definition, and offers slightly above it pay you almost nothing for the work.
3. Compare free shipping vs buyer-paid. Toggle $8 of shipping between "your label cost" and "buyer-paid shipping" and watch the numbers. Free-shipping listings tend to convert better, but you eat the full label; buyer-paid shipping costs you only the 10% fee on the shipping amount.
4. Leave Instant Pay off unless you need the money today. The $3 flat fee is fixed regardless of balance, so it punishes small cash-outs hardest. Batching payouts makes it cheaper proportionally; the free ACH transfer makes it free.

Common mistakes

• Treating "earnings" as profit. The number Mercari shows after a sale is price minus 10% (minus label if prepaid). Your inventory cost isn't in it. A $28 payout on a $12 item is $16 of profit — a $28 payout on a $25 item is $3.
• Ignoring the buyer-side fee when pricing. Buyers see your $40 listing but pay $41.44 plus tax. If the same item sells for $41 flat on eBay, you are not actually the cheaper option.
• Forgetting the fee applies to buyer-paid shipping. Charging the buyer $6 for shipping adds $5.40 to your payout, not $6 — Mercari takes 10% of the shipping line too.
• Using 2024 fee information. The zero-seller-fee period ended January 6, 2025. Spreadsheets and guides built during it overstate today's payouts by 10% of the sale price.

Mercari vs other marketplaces

Seller-side fees on a $40 sale with free shipping, using each platform's standard structure as of June 2026 (label and item cost excluded since they're the same everywhere):

Mercari is the cheapest seller-side of the four on this sale, and the gap widens on cheap items because there's no flat per-order component. The asterisk is the buyer side: Mercari's 3.6% Buyer Protection fee means buyers comparing across platforms see your effective price as higher than the sticker. For a $40 item that's $1.44 — rarely decisive, but on a $300 item it's $10.80, enough to lose a price-sensitive buyer. Cross-listers should run the same item through the eBay, Etsy, and Poshmark calculators and compare net payouts, not fee percentages.

What this calculator doesn't model

• Sales tax. Mercari collects it from the buyer and remits it; it doesn't touch your payout, and the exact rate depends on the buyer's location, so the buyer-total line here is shown before tax.
• Returns and cancellations. Mercari's return window is narrow compared to eBay's, but returns still happen. For portfolio-level math, haircut your realized profit a few percent rather than modeling each return.
• Promotions and offers. "Smart Offers," promoted listings, and price-drop promotions change the realized price, not the fee structure. Model them by entering the price you'd actually accept.
• Your time. Photographing, listing, bumping, messaging, packing. The calculator gives dollars per sale, not dollars per hour — run your monthly reselling profit through the True Hourly Wage calculator to see what the hobby actually pays.
• Income tax. Profit here is pre-tax. Marketplaces issue a 1099-K above the federal reporting threshold, and reselling income is taxable whether or not you receive a form. Subtract roughly a quarter to a third from the bottom line for after-tax thinking.