How to Calculate Profit Margin for Ecommerce (Step-by-Step)
Learn the exact formulas and decision framework to calculate ecommerce profit margin, control costs, and protect ad-driven growth.
Read this guide →Ecommerce Profit Calculator for Pricing and Margin Decisions
Use this ecommerce calculator to model selling price, shipping, platform fees, ad spend, and break-even ROAS before you scale campaigns.
FreeReal-time MetricsUSD / EUR / GBP
Ecommerce Profit Calculator
Quick scenarios
Basic Inputs
$
$
$
Price must be greater than 0.
Platform Commission
Platform CommissionPlatform commission can be a percentage (for marketplace fee rates) or a fixed amount per order.
%
Ads & Extra Costs
$
Results
Profit health: Thin Margin
Net Profit
$0.00
Gross Profit
$0.00
Selling price minus product cost (COGS)
Gross Margin
0.00%
Gross profit ÷ selling price
Net Profit Margin
0.00%
After shipping, fees, ads (if on), and other costs
ROAS guardrail
Contribution before ads is zero or negative — fix price or non-ad costs before scaling paid traffic.
What this result means
Margin is positive but fragile. Small changes in ad cost or fees can wipe out profit.
- Compare this baseline against one optimistic and one conservative scenario.
- Track fee, shipping, and ad-cost assumptions weekly before scaling spend.
- Copy results and share with pricing or acquisition owners for sign-off.
Next steps
Save your assumptions, compare scenarios, and get updates when we publish new fee guides and calculator presets.
Instant Profit Estimate
Adjust price and costs to preview profitability instantly.
Ad Efficiency Targets
Get break-even ROAS to control campaign risk.
Built for Scale
Make consistent pricing decisions as you grow.
Use this as your ecommerce pricing calculator
Start with your target selling price, then test fee, shipping, and ad scenarios before publishing offers. If you need the math logic first, review the formula guide and setup tutorial.
Profit Learning Hub
Learn one concept at a time with guides built around real ecommerce cost structures.
Shopify Fees vs Stripe Fees: What Hits Your Margin More?
Compare how Shopify Payments and Stripe-style processing fees flow into order-level profit and what to model first.
Read this guide →How to Calculate Temu Seller Profit (Order-Level Framework)
Map Temu referral fees, shipping, returns, and promos into a per-order profit model. Works with semi-managed sellers and supply-price sanity checks.
Read this guide →What Is Break-Even ROAS for Ecommerce? (Practical Definition)
Learn how to interpret break-even ROAS for paid traffic, how it ties to contribution margin, and how to use it with order-level profit models.
Read this guide →PayPal Fees in Your Ecommerce Profit Model (Per Order)
Map PayPal processing into per-order profit: blended rates, fixed fees, and how to avoid double-counting when you already use net receipt.
Read this guide →