Break Even ROAS Calculator

Use this break even ROAS calculator to find the minimum return on ad spend your campaign needs before it stops losing money. Enter product revenue and variable costs to calculate break-even ROAS, break-even CPA, contribution margin, target ROAS, and the gap between your current results and profitability.

Core formula
Break-even ROAS = Revenue ÷ Contribution Profit

Calculate Break-Even ROAS

Free
Use the average tracked revenue or selling price for one order.
Include the product, manufacturing, wholesale, or direct service delivery cost.
Add pick-and-pack, outbound shipping, packaging, or delivery costs paid per order.
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Enter the percentage deducted from revenue by payment processors or marketplaces.
Add per-order software, support, returns allowance, commissions, or other variable expenses.
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Optional goal as a percentage of revenue. Set 0% to show only the break-even threshold.
Optional campaign spend used to calculate your actual ROAS.
Optional revenue attributed to the same campaign and time period as ad spend.
Break-even ROAS
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Break-even CPA
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Contribution margin
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Variable costs per order
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Ad allowance at break-even
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ROAS for target profit
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Current actual ROAS
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Ad allowance at target
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Payment/platform fees
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Break Even ROAS Examples

Load a realistic starting point, then replace every cost with your own blended order economics.

Break-Even ROAS Formula

The calculator separates order economics from campaign performance so you can see exactly where the threshold comes from.

Contribution profit before ads

Revenue − COGS − Fulfillment − Fees − Other variable costs

This is the maximum amount you could spend to acquire one order and still break even before fixed overhead and tax.

Break-even CPA

Break-even CPA = Contribution profit before ads

If customer acquisition cost is higher than this amount, the order loses money under the assumptions entered.

Break-even ROAS

Break-even ROAS = Revenue ÷ Break-even CPA

A result of 1.82x means each 1.00 of ad spend must generate at least 1.82 in attributed revenue to cover the included variable costs.

Target ROAS

Target ROAS = Revenue ÷ (Contribution profit − Desired profit)

The profitable target is higher than break-even because some contribution profit must remain after advertising.

How to Read Your ROAS Result

Compare actual campaign ROAS with the break-even threshold and the stricter target-profit threshold.

Campaign positionWhat it meansPractical next step
Below break-even ROASAttributed revenue is not covering the variable costs and advertising spend in this model.Reduce acquisition cost, increase order value, improve margin, or verify attribution before scaling.
At break-even ROASThe campaign roughly covers the entered order costs but leaves no modeled profit for overhead, tax, or growth.Treat this as a floor, not a long-term target.
Between break-even and targetThe campaign contributes profit, but not enough to reach the selected post-ad margin.Test pricing, bundles, upsells, conversion rate, and audience efficiency.
At or above target ROASThe modeled campaign preserves the selected profit margin after the included variable costs and ad spend.Check volume, cash flow, attribution quality, and incrementality before increasing budget.

What Is Break-Even ROAS?

Break-even ROAS is the minimum return on ad spend required for attributed revenue to cover advertising plus the variable costs attached to each sale. It is not a universal benchmark. Two stores selling the same product at the same price can have very different thresholds because product cost, shipping, processor fees, marketplace commissions, return rates, and support costs change the contribution margin.

A basic ROAS calculator divides campaign revenue by campaign spend. That tells you what happened in the ad account, but it does not tell you whether the result was profitable. A break even ROAS calculator adds order economics, turning the ad metric into a decision threshold. If actual ROAS is below the threshold, the campaign loses money under the assumptions entered. If actual ROAS is above it, the campaign has some contribution left after advertising.

  • Use blended average order value when a campaign sells several products.
  • Use landed COGS rather than an incomplete supplier price.
  • Recalculate whenever pricing, shipping, fees, discounts, or product mix changes.

Break-Even ROAS vs Target ROAS

Break-even ROAS is a survival line, not an ideal goal. It leaves no modeled profit after the included variable costs and advertising. A business still needs money for payroll, software, rent, taxes, chargebacks, creative production, agency fees, and future inventory. For that reason, the calculator also estimates a target ROAS based on the profit margin you want to preserve after ads.

For example, a product with a 55% contribution margin before ads has a break-even ROAS of about 1.82x. If the business wants a 10% post-ad profit margin, only 45% of revenue is available for acquisition, so the target rises to about 2.22x. A higher target margin produces a higher target ROAS and a lower acceptable CPA.

  • Break-even ROAS answers: What is the lowest sustainable threshold in this model?
  • Target ROAS answers: What return preserves the profit goal entered?
  • Actual ROAS answers: What return did the campaign report for the selected period?

How to Calculate Break Even ROAS Accurately

Start with revenue per order, preferably a recent blended average from the same channel, country, and product set as the campaign. Subtract every cost that rises when an order is placed. The remainder is contribution profit before ads and is also the maximum break-even CPA. Divide revenue by that amount to calculate the break-even ROAS.

Accuracy depends more on inputs than on arithmetic. A merchant who omits outbound shipping, discounts, payment processing, returns, or marketplace commissions will get a break-even threshold that is too low. That can make an unprofitable campaign appear scalable. Use a conservative allowance when a cost is uncertain, then replace it when finance data is available.

  • Match the time period used for ad spend and attributed revenue.
  • Separate variable costs from fixed overhead, but remember that break-even contribution is not net profit.
  • Use weighted averages for mixed product campaigns.

Limits of a ROAS Calculator

ROAS is an attribution metric, not proof that ads caused every tracked sale. Platform windows, view-through conversions, cross-device behavior, branded demand, returning customers, and privacy modeling can change reported revenue. Compare platform ROAS with analytics, store revenue, new-customer data, and controlled tests when possible.

This calculator works at an order or blended campaign level. It does not model lifetime value, fixed overhead, taxes, financing, inventory risk, or incremental lift. A campaign below first-order break-even may still be rational when verified lifetime value supports it.

  • Do not treat a platform target as a guarantee of business profit.
  • Do not combine gross revenue with net costs from a different reporting basis.
  • Review contribution margin alongside ROAS before scaling.

Costs to Include in a Break Even ROAS Calculator

Include costs that change with each order. Fixed overhead can be analyzed separately or represented through a higher target margin.

Product or delivery cost

Use landed product cost, ingredients, manufacturing, contractor time, licensing, or direct service labor required to fulfill one sale.

Shipping and fulfillment

Include packaging, pick-and-pack, postage, last-mile delivery, warehouse handling, and shipping subsidies paid by the business.

Payment and marketplace fees

Add processor percentages, marketplace commissions, app-store shares, transaction charges, and other revenue-linked deductions.

Discounts and promotions

Enter average revenue collected after discounts instead of list price.

Returns and chargebacks

Use a per-order allowance in other variable cost when refunds, return shipping, damaged goods, or chargebacks are material.

Variable support and software

Include commissions, per-order tools, support labor, or bonuses that rise with sales volume.

Break Even ROAS Calculator FAQ

Answers about break-even ROAS, CPA, target ROAS, and profitability.

Subtract COGS, fulfillment, payment fees, and other variable costs from revenue to find contribution profit before ads. That amount is the break-even CPA. Divide revenue by break-even CPA to get break-even ROAS. For example, 100 in revenue and 45 in variable costs leaves 55 for ads, producing a break-even ROAS of 1.82x.

A lower break-even ROAS generally indicates stronger contribution margin, but there is no universal good number. The correct threshold depends on price, costs, product mix, country, channel, returns, and business model. Compare actual ROAS with your own break-even and target-profit thresholds.

No. Break-even ROAS covers the entered variable costs and ad spend but leaves no modeled profit for overhead, tax, or growth. Profitable ROAS should be higher. Use the target profit margin field to estimate a stricter target.

Break-even CPA is the maximum acquisition cost available from one order's contribution profit. Break-even ROAS expresses the same limit as revenue divided by that CPA. If revenue is 100 and break-even CPA is 40, break-even ROAS is 2.50x.

Include shipping and fulfillment paid by the business because these costs reduce the amount available for advertising. If customers pay shipping, use the net revenue and net shipping cost that actually affect your margin.

Yes. The formula is platform-neutral. Enter order economics from your business, then compare the calculated threshold with revenue and spend reported for the same campaign period. Be careful because attribution methods differ across platforms.

Yes. This model focuses on variable order economics. Fixed payroll, rent, software, taxes, creative production, agency fees, financing, and inventory losses may still make net profit negative. Use break-even ROAS as one operating threshold, not a complete profit-and-loss statement.

Update it whenever price, product mix, supplier cost, shipping, fees, refunds, or conversion economics change. Maintain separate thresholds when products or markets have materially different margins.

ROAS Reference

Compare platform reporting with this business threshold.

Calculate Your Break-Even ROAS

Replace the sample order economics with your real costs, then compare the campaign's actual ROAS with both break-even and target profit thresholds.

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