Cross-Border Seller Calculators
Ecommerce Profit Calculator
See unit profit, margin, ROI, and the selling price needed to reach your goal.
Calculator inputs
Calculation results
Enter your inputs, then select Calculate to view the results.
Formula
Ecommerce profit formula
Profit equals selling price minus product, platform, advertising, fulfilment, and other costs.
How to use this calculator
- Enter every per-order input
Add the selling price plus product, fulfilment, platform, advertising, and other costs for one completed order.
- Review profit and ratios
Compare unit profit, margin, and ROI with the targets you use to judge a product.
- Plan with a buffer
Use the result as a planning estimate and leave room for returns, taxes, and costs not modeled here.
Worked example
Example inputs
- Selling price
- $40
- Product cost
- $12
- Fulfilment cost
- $5
- Platform commission
- $6
- Advertising
- $4
- Other costs
- $1
Calculation
$40 − $28 = $12 profit; margin = $12 ÷ $40 = 30%; ROI = $12 ÷ $28 = 42.86% on total costs.
What the result means
$12 profit per completed order, with a 30% margin and 42.86% ROI.
How to use the result
Positive profit is the contribution from each completed order. Compare the margin with your target and preserve room for returns and tax.
Common mistakes
- Omitting per-order advertising cost.
- Mixing monthly overhead with per-unit costs without allocating it across orders.
FAQ
Frequently asked questions
Should I include advertising cost?
Yes. Use your average advertising cost per order for a realistic net-profit estimate.