Calculator category

Ecommerce Calculators

Ecommerce profitability depends on more than product cost. Use these calculators to test product price, payment fees, marketplace fees, shipping, VAT, conversion rate, ROAS, and final profit before scaling a store or campaign.

Calculators
21 tools
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Category guide

What you can calculate here

Ecommerce profitability depends on more than product cost. Use these calculators to test product price, payment fees, marketplace fees, shipping, VAT, conversion rate, ROAS, and final profit before scaling a store or campaign.

Start with

Who this is for

  • Online store owners checking product profitability.
  • Marketplace sellers comparing channel fees.
  • Growth teams balancing ads, conversion rate, and margin.

When to use these calculators

  • Before launching a new product listing.
  • When platform fees, shipping costs, or ad costs change.
  • Before increasing ad spend on a product.

How these metrics connect

Platform and payment fees reduce the amount retained from each order.

Shipping profit can change a profitable order into a loss.

ROAS should be reviewed with gross margin, not in isolation.

Conversion rate affects how much traffic is needed to hit revenue targets.

Recommended workflow

Ecommerce profitability workflow

Check price, fees, VAT, shipping, ROAS, and conversion rate before scaling sales.

  1. 1.Product Price Calculator
  2. 2.Shopify Fee Calculator
  3. 3.VAT Calculator
  4. 4.Shipping Profit Calculator
  5. 5.ROAS Calculator

Topics in this category

Conversion

Fees

Inventory

Profit Metrics

Returns

FAQ

Common questions

Why can ecommerce revenue look profitable but still lose money?

Revenue can be reduced by product cost, payment fees, marketplace fees, shipping, returns, discounts, and ad spend.

Which ecommerce calculator should I start with?

Start with product price or fee calculators, then check ROAS and profit once costs are clear.

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