Price Smarter. Profit More.
On Whatnot.
The free Whatnot fee calculator and profit tracker built for UK sellers. Know your break-even before you go live, set safe auction starts, track every fee and expense, and finally see your true profit & loss — before and after every stream.
14-day free trial · Cancel anytime
Everything you need to track your
Whatnot business
From CSV import to tax-ready reports — we handle the boring stuff so you can focus on selling.
One-Click CSV Import
Upload your Whatnot earnings export and we'll do the rest — smart duplicate detection means you can safely re-upload without double-counting.
Real-Time P&L Dashboard
See your revenue, costs, fees, and net profit at a glance. Filter by week, month, year, or custom date ranges.
Automatic Fee Calculation
Whatnot seller fees, payment processing fees, and shipping costs are all extracted directly from your CSV — no manual maths.
Multi-Marketplace Support
Whether you sell in the UK, US, Canada, or Australia — we handle the right currency, tax labels, and formatting automatically.
VAT & Tax Ready
Toggle VAT/GST registration in settings and get estimated tax liability breakdowns in your P&L reports — ready for your accountant.
Professional PDF Reports
Generate and download clean P&L statements as PDF or CSV. Perfect for tax returns, bookkeeping, or just peace of mind.
Know your numbers before you go live
Stop guessing your auction start prices. Our built-in calculators tell you exactly what to charge — so you never sell at a loss.
Break-Even Calculator
Enter your buy cost, packaging, and giveaway allocation — instantly see the minimum sale price you need to not lose money.
Safe Auction Start Price
Get three price points — break-even, safe start, and healthy target — so you know exactly where to start every auction.
Mixed Lot Cost Allocator
Bought a pallet or job lot? Split the total cost across items — flat or tiered — so you know your true cost per item.
No signup required — use them right now
Or jump straight to our Whatnot fee calculator to work out your profit after fees.
Up and running in 3 steps
No complicated setup. No manual data entry.
Export from Whatnot
Download your weekly earnings CSV from the Whatnot seller dashboard.
Upload to WNP
Drop the file into our importer — duplicates are automatically detected and skipped.
See Your Real Profit
Instantly see your P&L with all fees, expenses, and costs accounted for.
Simple, transparent pricing
One plan, everything included. Start with a 14-day free trial.
Whatnot Profits Pro
Everything you need to track your Whatnot profits
- Break-even & auction start calculators
- Mixed lot cost allocator
- Unlimited sales records
- Full dashboard & analytics
- Unlimited CSV imports
- Expense & inventory tracking
- P&L reports with PDF export
- Multi-marketplace + VAT/tax support
- Priority support
14-day free trial · Cancel anytime
Join the Community
Connect with other Whatnot sellers, share tips, and get support from the Whatnot Profits community.