Dropshipping Profit Calculator
Calculate your real dropshipping profit after product cost, ad spend, shipping, and return-to-origin (RTO) losses — the cost line most profit estimates quietly leave out, and often the one that actually decides whether a product is viable.
Fees last verified: 2026-08-03
Your numbers
Results update instantly as you type.
The price charged to the customer.
What you pay your supplier per unit.
Total ad spend divided by number of orders — your customer acquisition cost.
What you pay to ship the order to the customer.
Optional — for a more accurate result. Leave blank to ignore RTO. The percentage of orders returned undelivered — common with COD and international shipping.
Net profit / order
$13.00
Net margin
28.9%
RTO loss / order
$0.00
Breakdown
- Product cost$12.00
- Ad spend$14.00
- Shipping$6.00
- RTO loss$0.00
- Net profit$13.00
Project at scale
See how this holds up at orders per month.
Revenue
$4,500
Costs
$3,200
Net profit
$1,300
How the Dropshipping Profit Calculator works
Enter your selling price, product cost, ad spend per order, shipping cost, and your return-to-origin rate. The calculator subtracts all costs — including an RTO loss calculated as a percentage of revenue — to show your true net profit and margin per order. Leave the RTO field blank if you don't have your own return-to-origin data yet, but treat the resulting margin as optimistic rather than final, since RTO doesn't disappear just because it's unmeasured.
Who this is for
For dropshippers and ecommerce sellers who want their real per-order profit — not just gross margin — factoring in the ad spend and delivery losses that are unique to the dropshipping model. It's especially for anyone who's built a spreadsheet using just selling price minus product cost minus ad spend, and been surprised when actual bank deposits came in lower: RTO (return-to-origin) loss is the line most dropshipping profit math skips entirely, and it isn't a rounding error. An order that gets shipped, refused or undeliverable, and sent back means you've already paid for the product and outbound shipping with nothing to show for it — that's a 100% loss on that specific order, not a discount, and at RTO rates that can run 20-30%+ in cash-on-delivery-heavy markets, it can turn a product that looks profitable on paper into one that loses money in practice.
Worked example
You sell a product for $45, it costs $12 from your supplier, ad spend averages $14 per order, shipping costs $6, and your RTO rate is 5%. RTO loss = 5% × $45 = $2.25. Net profit = $45 − $12 − $14 − $6 − $2.25 = $10.75, a margin of about 24%. Without factoring in RTO, you'd have overestimated profit by $2.25 per order. Now imagine ad costs creep up to $18 per order — a realistic shift as competition for the same audience increases — while RTO also rises to 10% in a market with more cash-on-delivery orders: RTO loss becomes 10% × $45 = $4.50, and net profit falls to $45 − $12 − $18 − $6 − $4.50 = $4.50, a margin of just 10%. Two modest-looking shifts, stacked together, cut margin by more than half — which is exactly why dropshipping margins that look comfortable at launch can evaporate within a few months as ad costs rise and delivery mix shifts, without any single number changing dramatically on its own.
The real economics of dropshipping margins
Dropshipping margins get squeezed from more directions than a typical retail margin, which is why a product that clears 30%+ on paper often nets far less in practice. Product cost and shipping are the most visible, straightforward costs — what you pay your supplier and what it costs to get the order to the customer. Ad spend is where dropshipping diverges from ordinary retail: since most dropshipping traffic is paid, customer acquisition cost isn't optional overhead, it's a per-order line item that has to be earned back on every single sale, and it tends to rise over time as more sellers compete for the same audience and platforms' ad costs inflate. RTO (return-to-origin) loss is the one most sellers underestimate or ignore entirely: an order that ships but comes back undelivered — a failed cash-on-delivery collection, a wrong address, a refused package — means the product and outbound shipping cost are gone with zero revenue to offset them, a complete loss on that specific order rather than a partial one. RTO rates vary enormously by market and payment method: prepaid orders in developed markets might see 2-5% RTO, while cash-on-delivery-heavy markets can see 20-30% or higher. Because RTO applies to a percentage of every order rather than a fixed dollar amount, it scales with revenue exactly the way ad spend does — meaning a seller who's optimized ad spend down to the dollar but never measured their real RTO rate is very likely still overestimating margin, sometimes significantly.
Selling on more than one platform?
Compare all 5 side by side — Etsy, eBay, Amazon FBA, Poshmark & Shopify.
Frequently asked questions
What is RTO (return-to-origin) loss?
RTO happens when a shipped order is returned undelivered — often due to failed cash-on-delivery collection, wrong addresses, or customer refusal. Since you've already paid for the product and outbound shipping, RTO orders are pure loss, which this calculator models as a percentage of revenue.
How do I estimate my ad spend per order?
Divide your total ad spend for a period by the number of orders generated in that same period — this is your effective customer acquisition cost (CAC) per order, which is what actually matters for per-unit profitability, not just your ROAS.
What's a typical RTO rate?
RTO rates vary widely by market and payment method — prepaid orders in developed markets might see 2-5% RTO, while cash-on-delivery in some regions can see 20-30%+. Use your own historical data if you have it.
Why is my margin lower here than on a basic profit calculator?
Because dropshipping has unique cost lines — ad spend and RTO loss — that a generic profit calculator doesn't account for. Many dropshippers look profitable on product cost alone but lose money once ads and RTO are included.
How can I improve dropshipping margins?
The biggest levers are usually lowering ad spend per order (better targeting, higher conversion rate), reducing RTO (address verification, prepaid-only), and negotiating better shipping rates as volume grows.
Why does RTO hurt more than a normal return?
Because with RTO, you've already paid for both the product and outbound shipping, and the order never reached the customer at all — there's no partial recovery the way there might be with a standard return where you at least get the item back to resell. It's a 100% loss on that order's product and shipping cost, which is why even a moderate RTO rate (10-15%) can quietly erase a margin that looked healthy before RTO was factored in.
How do I find my actual RTO rate instead of guessing?
Check your shipping or fulfillment provider's delivery reports — most report 'delivered,' 'returned,' and 'undeliverable' as separate order statuses, and RTO rate is simply returned-plus-undeliverable orders divided by total orders shipped over the same period. If you're just starting and have no historical data yet, use a conservative estimate based on your market and payment method (higher for cash-on-delivery and international shipping, lower for prepaid domestic orders) rather than leaving the field blank and assuming zero.
Why does my margin look fine some months and terrible in others?
Ad spend and RTO are both variable costs that can shift independently of anything you changed — ad costs rise as competition for your audience increases, and RTO rate can swing with seasonality, shipping carrier performance, or a shift in which regions are ordering. Because both scale with revenue rather than being fixed dollar amounts, a small increase in either compounds with the other; re-running your actual current numbers through this calculator periodically, rather than trusting a margin estimate from when you first launched, is the only way to catch the drift before it becomes a real problem.
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