Break‑Even ROAS Calculator
Find the exact ROAS needed to cover product costs. Free + live.
Example: $100 price, $40 cost → BE ROAS = 100/60 = 1.67x
Break-Even ROAS Calculator — Find Your Profitability Threshold
Before you can judge whether your ROAS is good or bad, you need one number: your break-even ROAS. This is the minimum return on ad spend your campaigns must achieve before they contribute any profit. Every ROAS number above it means you are making money. Every number below it means you are losing money — even when revenue looks positive. Enter your gross profit margin above to get your break-even ROAS instantly.
What Break-Even ROAS Actually Means
Break-even ROAS is the point where ad revenue exactly covers your ad spend after product costs. At this number you are not profitable yet — you are simply not losing money on the campaign.
Most advertisers make the mistake of looking at ROAS in isolation. A ROAS of 3 sounds healthy until you realize your gross margin is 28%, which puts your break-even ROAS at 3.57. That same ROAS of 3 is now a losing campaign dressed up in positive numbers.
This is especially common in dropshipping and low-margin ecommerce where product costs, shipping, and payment fees eat most of the revenue before ad spend is even considered.
The Break-Even ROAS Formula
Break-Even ROAS = 1 ÷ Gross Profit Margin
Your gross profit margin is revenue minus cost of goods sold, divided by revenue. Do not use net margin here — use gross margin before overhead and operating costs.
Example 1 — Standard ecommerce Gross margin: 45% Break-even ROAS = 1 ÷ 0.45 = 2.22 Any ROAS above 2.22 means the campaign is contributing to profit.
Example 2 — Dropshipping Gross margin: 25% Break-even ROAS = 1 ÷ 0.25 = 4.0 A ROAS of 3.5 on this store is not a decent result — it is a losing campaign.
Example 3 — High-margin product Gross margin: 70% Break-even ROAS = 1 ÷ 0.70 = 1.43 This business can scale aggressively at a ROAS most advertisers would immediately pause.
How to Calculate Your Gross Margin First
You cannot find break-even ROAS without an accurate gross margin. Here is how to calculate it correctly.
Gross Margin = (Revenue − Cost of Goods Sold) ÷ Revenue × 100
Cost of goods sold includes product cost, manufacturing or supplier cost, shipping to customer, and payment processing fees. It does not include ad spend, salaries, or software.
Example: Product sells for $80. Product cost is $22. Shipping is $6. Payment fee is $2.50. Total COGS = $30.50 Gross Margin = ($80 − $30.50) ÷ $80 = 49.50 ÷ 80 = 61.9% Break-even ROAS = 1 ÷ 0.619 = 1.62
Getting this number wrong leads to either over-pausing profitable campaigns or scaling ones that are quietly losing money.
Break-Even ROAS by Gross Margin — Reference Table
| Gross Profit Margin | Break-Even ROAS | What It Means |
|---|---|---|
| 15% | 6.67 | Very hard to make paid ads work — common in grocery, commodity |
| 20% | 5.0 | Challenging — most dropshipping products at low price points |
| 25% | 4.0 | Dropshipping standard — needs strong creative and targeting |
| 30% | 3.33 | Low margin ecommerce — tight but workable with good operations |
| 35% | 2.86 | Average ecommerce range — achievable on most platforms |
| 40% | 2.5 | Healthy margin — comfortable break-even for most ad channels |
| 45% | 2.22 | Strong margin — profitable at moderate ROAS |
| 50% | 2.0 | Good position — easy to scale profitably |
| 60% | 1.67 | High margin — beauty, supplements, digital products |
| 70% | 1.43 | Very high margin — SaaS, software, high-end info products |
| 80% | 1.25 | Exceptional — nearly any positive ROAS is profitable |
Use this table to immediately sanity-check any ROAS result. If your actual ROAS sits below your break-even row, the campaign is losing money regardless of how the revenue number looks.
Break-Even ROAS for Dropshipping
Dropshipping deserves its own treatment because the margin structure is different from standard ecommerce. Product costs are typically higher relative to sale price, shipping is often a fixed cost you absorb, and payment processing fees come off every transaction.
Most dropshipping products land between 20–30% gross margin after all variable costs. That puts break-even ROAS between 3.33 and 5.0 — significantly higher than general ecommerce benchmarks.
This means a Facebook campaign running at 2.8 ROAS that looks "almost there" is actually far from profitable. At 25% margin you would need to nearly double that ROAS just to break even.
The fix is either margin improvement through better supplier negotiation or higher-priced products, or conversion rate improvement that brings more revenue from the same ad spend.
Break-Even ROAS on Facebook VS Google — Does the Platform Matter?
The break-even ROAS formula does not change by platform. It is always 1 ÷ gross margin. What changes is how easy it is to hit that number on each platform given their CPM rates, audience quality, and typical conversion rates.
Facebook and Instagram tend to have higher CPMs for cold audiences, which means you need a strong conversion rate on your landing page to achieve break-even ROAS. Google Shopping campaigns often deliver higher purchase intent, which can make break-even ROAS easier to hit even at higher CPCs.
The practical implication: your break-even ROAS is fixed by your margins, but your actual ROAS is determined by platform efficiency. A campaign that clears break-even on Google Shopping might fall below it on broad Facebook traffic with the same product and price point.
From Break-Even ROAS to Target ROAS
Break-even ROAS tells you the floor — not the goal. Your target ROAS should sit above break-even by enough to cover operating costs and generate real profit.
A simple approach: if your break-even ROAS is 2.5 and you want a 20% profit margin on ad-driven revenue, your target ROAS is approximately 2.5 × 1.25 = 3.13. Campaigns hitting that number are genuinely profitable after both product costs and a margin buffer.
Use break-even ROAS to decide what to pause. Use target ROAS to decide what to scale.
Frequently Asked Questions
What is break-even ROAS?
The minimum ROAS your campaign must hit before it generates any profit. At this exact number, ad revenue covers product costs and ad spend — nothing more. Above it you profit. Below it you lose money regardless of what the revenue number looks like.
How do I calculate break-even ROAS?
1 ÷ gross profit margin. At 40% margin, break-even ROAS is 2.5. At 25% margin it is 4.0. Use the calculator above — enter your margin and get your number instantly.
How do I calculate break-even ROAS for dropshipping?
Same formula, but be precise with your margin. Subtract product cost, shipping, and payment fees from your sale price, divide by sale price. Most dropshipping products land at 20–30% margin, which means break-even ROAS of 3.33 to 5.0.
What is a good break-even ROAS?
The lower the better — because a lower break-even means higher margins. A break-even ROAS of 2.0 reflects strong margins around 50%. A break-even of 5.0 or above means thin margins that make profitable ad scaling very difficult.
How do I calculate break-even ROAS using contribution margin?
Replace gross margin with your contribution margin ratio in the same formula: 1 ÷ contribution margin ratio. This approach subtracts all variable costs including ad spend, giving a more conservative and accurate profitability threshold.
How do I find my gross margin to use this calculator?
Gross margin = (Sale price − COGS) ÷ Sale price. COGS includes product cost, shipping, and payment processing. Once you have that percentage, the calculator does the rest.