Dropshipping Profit Calculator
Calculate dropshipping profit, margin and break-even ROAS per order.
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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.
What this tool does
The Dropshipping Profit Calculator shows per-order profit after supplier cost, supplier shipping, payment fees and ad cost per acquisition — and the break-even ROAS and maximum CPA you can afford.
How to use the Dropshipping Profit Calculator
- Enter selling price and any shipping charged.
- Enter supplier product and shipping cost.
- Enter payment processing rates.
- Enter your average cost per acquisition from ads.
- Use break-even ROAS to judge ad campaigns.
Formula
PreAd = R − Fees − Supplier − SupShip; Profit = PreAd − CPA; BE-ROAS = R ÷ PreAd
- R
- Revenue per order
- Fees
- R × p + f
- CPA
- Ad cost per sale
Worked example
A $39.99 product with free shipping, $16 landed supplier cost and $12 CPA.
Inputs
- Selling price$39.99
- Shipping charged$0
- Supplier product cost$11
- Supplier shipping$5
- Payment / platform %2.9 %
- Fixed fee per order$0.3
- Ad cost per sale (CPA)$12
Result
- Net profit per order$10.53
- Profit margin26.33%
- Profit before ads$22.53
- Break-even ROAS1.77 ×
- Max CPA before loss$22.53
Results explained
- Net profit
- After all costs including ads.
- Profit margin
- Profit ÷ revenue.
- Profit before ads
- Gross contribution per order.
- Break-even ROAS
- Ad return needed to not lose money.
- Max CPA
- Most you can pay per sale.
Frequently asked questions
Revenue divided by profit before ads. If ROAS falls below it, each sale loses money.
Most need at least a 3× markup on landed cost to absorb ad costs.
Improve creative, target warmer audiences, and raise conversion rate on the product page.
Add an allowance (e.g. 5% of price) to supplier cost to account for refunds and chargebacks.
No. Divide monthly app and plan costs by orders and add to supplier cost.