Live-selling math

Know your Whatnot profit before the auction starts.

Account for Whatnot commission, payment processing on checkout value, your item cost, shipping contribution, and packaging.

Read the Whatnot fee guide

Sale inputs

Model the order

Defaults reflect U.S. rates for most categories.

Some platforms include buyer tax in the processing or fee base.
We calculate the sale price needed to reach this profit.

Transparent by design

Current Whatnot assumptions

Commission and processing use different fee bases.

  • Most U.S. categories use 8% commission on final sale price.
  • Payment processing is 2.9% of checkout value plus $0.30.
  • Checkout value usually includes buyer-paid shipping and tax.

Rates reviewed July 21, 2026. Official Whatnot seller fees ↗