Heads up

The calculator UI is in Russian — here's why

This tool serves Russian marketplace sellers on Wildberries and Ozon. The tax regimes (УСН, НПД, ОСНО) and commission categories are Russia-specific — translating them would defeat the purpose.

If you read Russian, head straight to the calculator →
If you don't — here's what it does, in plain English.

What it calculates

  • Profit per unit. What you actually earn after every fee is paid.
  • Margin %. Profit as a share of price, with a traffic-light verdict.
  • Breakeven price. The minimum price at which you stop losing money.
  • WB ↔ Ozon delta. Which marketplace yields more for your product at the same price.
  • Target-margin price. Set a target margin — get the price to charge.

What it accounts for

  • Commission by category and by model (FBO / FBS).
  • Logistics by weight (WB) and by volumetric weight (Ozon, post 06.04.2026).
  • Tax regime: simplified 6% or 15%, self-employed 6%, or general 20%.
  • Advertising spend as a share of revenue.
  • Return rate — WB charges 50% of direct logistics, Ozon 75% per returned unit.

Zero-PII architecture

Every calculation runs inside your browser. We never transmit your SKU data, costs or prices to any server.

Details: privacy policy.

Open the calculator

Russian categories, Russian taxes — but the maths is universal. Give it a try: