Mercari vs Poshmark Fees 2026: Which Is Actually Cheaper?

The two fee structures

Mercari and Poshmark take opposite approaches to seller fees:

• Mercari: A 10% selling fee plus a 2.9% + $0.50 payment processing fee — on every sale, regardless of price. Combined, that's roughly 12.9% of the sale price plus 50 cents flat.
• Poshmark: A bracket system — $2.95 flat on sales under $15, and 20% of the sale price on sales of $15 or more. No separate processing fee on top.

On paper, Poshmark's flat $2.95 fee for low-priced items looks like the better deal below $15. It isn't. Because Mercari's formula is mostly percentage-based with a small fixed add-on, its fee stays proportionally low at low prices too — a $5 sale on Mercari costs about $1.15 in fees, well under Poshmark's flat $2.95.

Side-by-side fee comparison

Mercari = 10% + 2.9% + $0.50. Poshmark = $2.95 flat under $15, 20% at/above $15. All USD. Verify your own numbers in the Poshmark calculator.

Why there's no breakeven point

You'd expect a crossover somewhere — a price where the cheaper platform flips. There isn't one, and the reason is arithmetic: Poshmark's $2.95 flat fee under $15 would only be beaten by Mercari's formula if Mercari's fee exceeded $2.95, which requires 0.129 × price + 0.50 > 2.95 — solving that gives a price above $19. Since Poshmark's flat-fee bracket only applies below $15, the crossover point falls outside the range where it would matter. Above $15, Poshmark switches to a flat 20%, which is simply a higher rate than Mercari's ~13% at every price. Mercari wins in both brackets, for different mathematical reasons.

So why do sellers still choose Poshmark?

If fees were the only variable, this wouldn't be a close call. But sell-through rate usually matters more to your total profit than the fee percentage on any single sale. Poshmark built its business around social selling — follows, shares, "Posh Parties," and a buyer base that's heavily concentrated in women's fashion, shoes, and accessories. For those categories, Poshmark's discovery engine can move inventory faster than Mercari's more traditional, search-based marketplace, even though Poshmark keeps a bigger cut of each sale.

Mercari's strength is breadth — electronics, home goods, collectibles, and general merchandise all perform reasonably well there, and its lower, more predictable fee schedule rewards sellers who already have consistent demand for what they're listing.

The practical takeaway: don't pick a platform on fees alone. If you're deciding between the two for a clothing item with strong Poshmark-style appeal, model both fee totals, but weight sell-through probability more heavily than the fee gap — a faster sale at a lower net payout usually beats a slower sale at a higher one.

Common mistakes sellers make comparing these two

• Forgetting Mercari's $0.50 fixed fee. It's small, but on a $5–$10 item it noticeably changes your effective rate — always add it, don't just estimate 13%.
• Assuming Poshmark's 20% only applies above $15. It applies to the entire sale price once you cross $15, not just the amount above it — a $15.01 sale is taxed at 20% on the full $15.01, not just the one cent over the threshold.
• Ignoring shipping cost differences. Poshmark's buyer-paid flat shipping ($8.27 US) can make items feel more "final price" competitive than Mercari, where sellers often set their own shipping. Factor this into your total pricing strategy, not just the seller fee.
• Comparing fee rates instead of net dollars. A lower percentage on a platform where your item won't sell for months isn't actually cheaper. Compare expected net profit, weighted by how likely the item is to sell on each platform.

Run your own numbers

Use the Poshmark fee calculator for exact bracket math on your price, or the comparison tool to see Mercari, Poshmark, eBay, Etsy, and Amazon side by side at once. If you're deciding based on margin rather than just fees, run both scenarios through the profit calculator with your real cost of goods and shipping cost included.