eBay & PayPal Fee Calculator with Marketplace Comparison

Calculate Poshmark fees and seller proceeds, compare eBay managed-payment profit with PayPal direct-sale fees, and audit payouts across major resale marketplaces.

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How to Use This Fee Calculator

Enter your buy cost, expected sale price, and seller-paid shipping. The calculator compares projected pre-tax profit across the same canonical US marketplace fee policy used by Underpriced analysis.

Buyer-paid shipping and buyer tax can change several platform fee bases. This compact tool does not invent those unknown checkout values; use the main analysis flow when you need full v4 scenario inputs, optional promotion costs, or an income-tax reserve.

  • Compare Platforms ranks supported US platform scopes by projected pre-tax profit, ROI, or margin.
  • Pricing Calculator solves the sale price needed to hit your target pre-tax profit after estimated platform fees.
  • eBay Category selects the canonical category schedule used for eBay fee math.
  • Buyer Tax in Fee Basis models extra fee basis where the platform charges fees on buyer tax; it is not subtracted as a seller expense.

What Is Included

Canonical Fees

eBay category fees, Mercari, Poshmark, Depop US processing, Whatnot, Etsy, Vinted, Facebook local pickup, and Facebook shipped checkout use the shared economics policy reviewed 2026-10-01.

Not Guessed

Optional ads, seller subscriptions, international orders, exact buyer shipping, exact buyer tax, and account-specific promotions require explicit inputs or account checkout evidence.

Etsy and Vinted Scope

Etsy assumes a US physical-item listing with one listing fee unit. Vinted is included only as a compliant US personal-closet sale, not a professional resale recommendation.

Profit Boundary

Results are analysis projections. Flip Tracker and tax exports should use actual sale fees, shipping, and costs after the item sells.

Common Mistakes

Treating buyer tax as seller profit or seller expense

Buyer tax may affect a platform fee basis, but it is not your revenue and this calculator does not subtract it as a seller cost.

Using one eBay rate for every category

eBay fees are category-based and include an order fee. Select the closest category schedule before comparing platforms.

Mixing Facebook transaction scopes

Use the Facebook local row for no-checkout local pickup and the Facebook shipped row only when the order actually runs through shipped Marketplace checkout. Other off-platform payment paths need their own payment-fee inputs.

Letting the cheapest fee choose the platform

Vinted, local pickup, or low-fee channels may not be appropriate for every item. Confirm compliance, audience fit, and sell-through speed before listing.