Ecommerce Toolkit

Choose a separate calculator

Each tool is available on its own page for cleaner workflow and easier scenario testing.

About our ecommerce calculators

Marketplace fees and ad costs can quickly change the profitability of a listing. These calculators help you estimate fees, taxes and contribution margin before you list or scale spend.

For best results, use realistic landed cost, packaging/weight, and a conservative return rate. Re-run scenarios for different price points to find a sustainable margin.

Amazon Seller Fees Calculator

Estimate referral, closing, shipping/FBA fee and gross margin.

Ecommerce Profit Margin Calculator

Calculate per-order contribution after variable costs.

ACOS & ROAS Calculator

Measure campaign efficiency and compare break-even levels.

Target Selling Price Calculator

Find required listing price for your target net margin.

Flipkart Seller Settlement Calculator

Model payout and net profit with configurable fee assumptions.

Ecommerce Calculators FAQ

Are these tools free to use?

Yes. All ecommerce calculators on this site are free and require no login or registration.

Do I need to enter real business data?

You can use estimates for planning. For accurate results, use actual cost and fee figures from your seller dashboard.

Which calculator should I start with?

Start with the Profit Margin Calculator for general pricing, or the marketplace-specific tool (Amazon or Flipkart) for platform fee analysis.