whatnot Tool
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100% Free & Local
Whatnot Profit Calculator
Calculate estimated Whatnot selling fees, net profit, margins, and ROI with configurable marketplace rates.
Cost/Item ($):
Sale Price ($):
Shipping ($):
📖 How to Use Whatnot Profit Calculator
1. Enter Sale Price & COGS
Input expected selling price, item cost, shipping subsidies, and supplies.
2. Configure Fee Settings
Default assumptions use 8.0% commission + 2.9% + $0.30 processing. Adjust if participating in special promos.
3. Analyze Profit & ROI
Instantly view total fees, net profit amount, profit margin %, and return on investment.
❓ Frequently Asked Questions
What is the standard Whatnot commission rate?
Whatnot typically charges an 8.0% marketplace commission fee on the final sale price plus 2.9% + $0.30 payment processing.
Does this calculator handle seller shipping costs?
Yes, enter any shipping subsidies or seller-paid shipping costs into the Seller Shipping field.