What is Ecommerce Profit Calculator?
Ecommerce profit is what is left after every cost attached to the order, not just the product. This calculator takes the selling price and subtracts the product cost, the shipping you pay, a blended ad cost per order, the marketplace referral percentage and payment processing. What remains is net profit per order, expressed as both an amount and a margin, with return on product cost as a third view. It also returns the break-even price: the price at which profit hits zero, which is the floor your discounting has to respect. Sellers usually find the number is several dollars lower than they assumed, which changes which products are worth advertising.
Common Uses for Ecommerce Profit Calculator
- Decide whether a product survives paid advertising
- Compare profitability across marketplaces before listing
- Set a discount floor that still leaves a profit
- Work out how much shipping you can absorb and stay whole
- Stress-test a price increase or a supplier cost rise
Break-even price is the number to memorise
The calculator returns the price at which profit reaches zero. Any promo, coupon or price test below that line is buying revenue at a loss. Write it on the product sheet; it stops the 'just 15% off' reflex that quietly drains margin on your best sellers.
Where the money actually goes
On a typical $39.99 order: $12.50 product, $5.20 shipping, $1.16 referral (for a 2.9%+$0.30 card fee) and $6 of ads leaves roughly $15 of profit — but add a 15% marketplace referral fee and that drops to about $9. The fee line, not the product cost, is often the largest single deduction after ads.
Repricing with the numbers open
Run the same product at ±10% and watch the profit column rather than the margin column: profit moves faster than margin and that is what hits the bank account. The profit-per-order calculator prints that sensitivity table for you.