Break-Even ROAS Calculator: Find Your Profitability Threshold
Break-even ROAS Calculator tells you the exact ROAS your campaigns must hit before a single dollar flows to gross profit, given your margin structure. Enter your gross margin and optional fulfilment costs to instantly see whether your current ROAS is above or below the threshold.
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Why break-even ROAS is the most important number in paid acquisition
Break-even ROAS is the return on ad spend your campaigns must achieve before a single dollar contributes to gross profit. The formula is: divide 1 by your gross margin percentage. A SaaS company with 75% gross margin breaks even at 1.33x ROAS. An e-commerce brand with 40% gross margin breaks even at 2.5x ROAS. Most performance marketers report ROAS without ever calculating this threshold.
To scale paid ads profitably, you need to know your break-even floor before you set campaign targets. Teams running performance marketing automation get continuous ROAS monitoring against this threshold so campaigns below the margin floor are caught immediately rather than at month-end.
Break-even ROAS by gross margin structure
Pure software SaaS companies at $10M-$200M ARR commonly operate at 78-82% gross margins, making their ROAS floor very low relative to e-commerce.
E-commerce with 50% margins needs twice the revenue per ad dollar to cover COGS, which is why ROAS benchmarks differ so dramatically by business model.
Well-optimized B2B SaaS Google Search accounts typically operate well above break-even on first-year revenue but closer to break-even when measuring on MQL value.
A reasonable target ROAS for paid campaigns is 1.2x to 1.4x your break-even ROAS, which provides 20-40% margin contribution after COGS.
Four steps to your profitability threshold
Enter your gross margin percentage
Input your blended gross margin as a percentage. For most B2B SaaS companies this is 65-80%. The calculator immediately shows your break-even ROAS.
Add fulfillment or variable costs if applicable
If you have variable fulfilment costs beyond standard COGS (for example, implementation or onboarding costs included in the initial contract), add them here to get a more conservative break-even threshold.
Set a target profit margin
Enter the net margin contribution you want paid campaigns to deliver. This calculates your target ROAS: the number above break-even that produces your desired margin after COGS.
Compare against your actual campaign ROAS
Enter your current ROAS from any channel to see whether it is above or below break-even and how far it sits above or below your target. A ROAS below break-even is a signal to pause or restructure before scaling.
Break-even ROAS questions, answered.
What is break-even ROAS?
Break-even ROAS is the minimum return on ad spend your campaigns must achieve before a single dollar contributes to gross profit. At exactly break-even ROAS, total ad revenue equals total ad spend plus cost of goods sold. Below this threshold, every dollar you spend on ads loses money at the gross margin line.
What is the formula for break-even ROAS?
Break-even ROAS = 1 / Gross margin percentage. At 70% gross margin, break-even ROAS is 1 / 0.70 = 1.43x. At 50% gross margin, it is 2.0x. At 80% gross margin, it is 1.25x. This is the floor beneath which your campaigns are destroying value, regardless of what the platform reports.
What is a good break-even ROAS for B2B SaaS?
B2B SaaS companies with gross margins of 70-80% break even at 1.25x to 1.43x ROAS. Because most B2B SaaS paid campaigns see ROAS between 1.5x and 4.0x depending on channel, they typically operate above break-even. The more important question is target ROAS: the ROAS required to achieve your specific margin contribution goal after factoring in operating expenses.
How does gross margin affect break-even ROAS?
Gross margin is the only variable in the break-even ROAS formula. Higher margin means a lower break-even threshold. A pure software SaaS at 80% gross margin only needs $1.25 in revenue for every $1 spent to cover COGS. An e-commerce brand at 40% margin needs $2.50. This is why optimizing ROAS against a benchmark from a different business model produces the wrong targets.
What is the difference between break-even ROAS and target ROAS?
Break-even ROAS is the floor: the minimum to avoid a gross loss. Target ROAS is the ROAS you need to hit a specific profit contribution. Target ROAS = Break-even ROAS × (1 + desired net margin %). If your break-even ROAS is 1.43 and you want 30% net margin contribution from paid, your target ROAS is 1.43 × 1.30 = 1.86x.
How does Hellyeah help with break-even ROAS monitoring?
Hellyeah agents monitor campaign ROAS against your break-even and target thresholds continuously, not just at the end of the month. When a campaign slips below your floor, the system flags it and generates reallocation recommendations before the budget is wasted. This is part of the performance marketing capability.
Should I use first-year revenue or LTV for ROAS?
For B2B SaaS with multi-year contracts and measurable NRR, LTV-adjusted ROAS using total customer lifetime value is more accurate. A deal with $20K ACV and a 3-year average contract length is worth $60K in LTV. Measuring ROAS on first-year revenue alone understates campaign profitability by up to 3x in high-retention businesses.
What is the break-even ROAS for e-commerce vs SaaS?
E-commerce typically operates at 30-55% gross margins, so break-even ROAS is 1.82x to 3.33x. B2B SaaS at 65-80% gross margins has a break-even of 1.25x to 1.54x. This is why you cannot compare ROAS benchmarks across industries: a 2x ROAS is excellent for e-commerce but barely adequate for SaaS depending on your margin structure.
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Your break-even threshold, enforced automatically
Hellyeah agents monitor campaign ROAS against your break-even threshold in real time and pause or adjust bids before spend drops below the margin floor, eliminating the end-of-month surprise.