Free Shopify Break-Even ROAS & CPA Calculator
Calculate your break-even ROAS, maximum CPA, target CPA, current ROAS, estimated profit and profit margin using your own ecommerce product economics.
Enter Your Product & Advertising Costs
Use estimated per-order values. Results update automatically.
What Is a Shopify Break-Even ROAS Calculator?
A Shopify break-even ROAS calculator helps ecommerce merchants estimate the return on ad spend required for advertising to consume the amount remaining after selected non-advertising costs.
At the calculated break-even point, estimated per-order profit is approximately zero based on the costs entered into the calculator.
What Does This ROAS & CPA Calculator Calculate?
What Is ROAS?
ROAS stands for return on ad spend. It compares the revenue attributed to advertising with the amount spent on advertising.
Example: If $100 in attributed revenue is generated from $25 of advertising spend, the basic ROAS calculation is 4.00x.
What Is Break-Even ROAS?
Break-even ROAS estimates the ROAS level at which the amount available before advertising is fully consumed by advertising cost.
This means the order is approximately at zero calculated profit under the assumptions entered into this tool.
What Is Maximum CPA?
Maximum CPA is the estimated maximum customer acquisition cost that an order can absorb before calculated profit reaches approximately zero.
The non-advertising costs in this calculator can include product cost, shipping, packaging, payment fees and a return or refund allowance.
What Is Target CPA?
Maximum CPA represents an estimated break-even acquisition cost. A target CPA can be lower because a business may want to retain profit from each order.
Example: If your maximum CPA is $25 and you want to retain $10 in calculated profit per order, your estimated target CPA would be $15 under this simplified model.
Break-Even ROAS vs Current ROAS
| Metric | What It Shows | Basic Formula |
|---|---|---|
| Current ROAS | Revenue relative to the current advertising spend entered. | Revenue ÷ Current Ad Spend |
| Break-Even ROAS | Estimated ROAS at which calculated profit reaches approximately zero. | Revenue ÷ Maximum CPA |
| Maximum CPA | Maximum estimated acquisition cost before calculated profit reaches zero. | Revenue − Non-Ad Costs |
| Target CPA | Estimated acquisition-cost target after reserving desired profit. | Maximum CPA − Desired Profit |
ROAS vs Profit: They Are Not the Same
ROAS measures advertising efficiency in terms of attributed revenue relative to advertising spend. It does not automatically represent business profit.
Why Break-Even ROAS Differs Between Products
Products can have very different economics even when their selling prices are similar.
A product with a lower cost of goods may leave more revenue available for advertising. A product with higher fulfillment, payment or return costs may have less room for customer acquisition.
Example: Two products may both sell for $50. If one costs $10 to source and another costs $30, they do not have the same amount available for advertising even though their revenue is identical.
How to Use the Shopify ROAS Calculator
1. Enter the Selling Price
Enter the regular selling price of the product or order you want to evaluate.
2. Add Product Cost
Enter the amount you pay to manufacture, purchase or source the product.
3. Add Shipping and Fulfillment
Include the shipping, packaging or fulfillment costs that you want included in the per-order calculation.
4. Enter Payment Fees
Enter the percentage and fixed payment fees that apply to your own payment setup.
5. Add Discounts and Returns
If relevant, include a discount and an estimated return or refund allowance.
6. Enter Your Current CPA
Enter your estimated advertising cost per acquired order. The calculator uses this amount to estimate current ROAS and profit after advertising.
7. Enter Desired Profit
Enter the amount of calculated profit you want to retain per order. The calculator uses it to estimate a target CPA.
How Is Current ROAS Calculated?
If no advertising cost is entered, current ROAS cannot be calculated meaningfully.
How Is Profit After Ads Calculated?
This provides a simplified per-order estimate using the values entered into the calculator.
How Is Profit Margin Calculated?
A positive calculated margin means the revenue is higher than the costs entered. A negative margin means the selected costs exceed adjusted revenue.
Shopify Advertising Costs to Consider
Who Can Use This Calculator?
Frequently Asked Questions
What is break-even ROAS?
Break-even ROAS estimates the revenue-to-ad-spend ratio at which the amount available before advertising is consumed by advertising spend, leaving approximately zero calculated profit under the entered assumptions.
What is a good ROAS for Shopify?
There is no single ROAS target that is profitable for every Shopify store. Required ROAS depends on product cost, fulfillment, payment fees, returns, advertising economics, overhead and the profit the business needs to retain.
What is maximum CPA?
Maximum CPA is the estimated customer acquisition cost at which the calculated profit reaches approximately zero based on the costs entered.
What is target CPA?
In this calculator, target CPA is the estimated maximum CPA minus the desired profit per order. It provides a simple way to reserve some calculated profit instead of targeting only break-even.
Is ROAS the same as profit?
No. ROAS compares attributed revenue with advertising spend. Profit requires relevant product and business costs to be considered.
Can I use this calculator for Meta Ads?
Yes. You can enter your per-order economics and advertising cost to evaluate an estimated ROAS, CPA and profitability scenario for orders attributed to Meta advertising.
Can I use this calculator for Google Ads?
Yes. The underlying ROAS and CPA calculations are not limited to one advertising platform.
Can dropshipping stores use this tool?
Yes. Dropshipping merchants can enter supplier cost, shipping, payment fees, discounts, advertising cost and other supported values.
Can print-on-demand sellers use this calculator?
Yes. Your production cost can be entered as product cost, while shipping, payment fees and advertising can be entered separately.
Does this calculator include taxes?
No. Taxes are not automatically calculated because tax obligations and treatment vary by business and jurisdiction.
