Dropshipping Profit Calculator
Calculate your true profit per order in a dropshipping business after supplier costs, shipping, payment fees, and ad spend. Use it to evaluate product viability before running campaigns.
About this calculator
Dropshipping profit is what remains from the selling price after every cost tied to fulfilling and acquiring that sale is removed. The formula is: Net Profit = Selling Price − Supplier Cost − Shipping Cost − (Selling Price × Payment Fee Rate / 100) − Advertising Cost per Sale. The payment processing fee (typically 2–3% for Stripe or PayPal) is percentage-based and therefore scales with price. Advertising cost per sale — often called cost per purchase in platforms like Meta Ads — is the amount you spent on ads divided by the number of orders it generated. Profit margin % = (Net Profit / Selling Price) × 100. Because dropshipping margins are thin and ad costs fluctuate, even small changes in any input can swing profitability dramatically, making this calculation critical before scaling ad budgets.
How to use
You sell a product for $49.99. Supplier cost: $18, shipping: $4.50, payment fee rate: 2.9%, advertising cost per sale: $12. Payment fee = $49.99 × 2.9 / 100 = $1.45. Net Profit = $49.99 − $18 − $4.50 − $1.45 − $12 = $14.04. Profit margin = $14.04 / $49.99 ≈ 28.1%. A 28% margin is healthy for dropshipping. If your ad cost per sale rises to $20, profit drops to $6.04 (12.1%), highlighting why ad efficiency must be monitored continuously.
Frequently asked questions
What is a good profit margin for a dropshipping business?
Industry consensus places a healthy dropshipping net margin between 20–30% per order after all costs. Margins below 15% are considered risky because any increase in ad costs, payment fees, or supplier pricing can push you into a loss on individual orders. Products priced between $30 and $80 tend to offer the best balance of perceived value, conversion rate, and margin. Avoid products where the supplier cost exceeds 30–40% of the selling price, as fees and ad spend will quickly erode what's left.
How does payment processing fee rate affect dropshipping profitability?
Payment processor fees are a percentage of every transaction, so they scale invisibly with revenue. PayPal and Stripe both charge approximately 2.9% + $0.30 per transaction for standard accounts, meaning on a $50 sale you lose roughly $1.75 before any other cost. At high volume, these fees become significant — on $50,000 monthly revenue, you're paying roughly $1,450 in processing fees alone. Some sellers negotiate lower rates with processors at high volume, or route transactions through payment gateways with flat fees to reduce this cost.
Why should I calculate advertising cost per sale before scaling a dropshipping product?
Advertising cost per sale (cost per purchase) is the single most volatile cost in dropshipping and directly determines whether a product is profitable at scale. A product that looks great on paper with a $10 ad spend per sale may become unprofitable when audiences saturate and your cost per purchase rises to $25. Calculating your break-even cost per purchase — the maximum you can spend on ads and still profit — before scaling tells you exactly how much room you have. If your break-even ad cost is $20 and you're currently at $12, you have a comfortable buffer; if you're already at $18, scaling carries substantial risk.