Live math for ad spend, revenue, break-even CPC, and break-even CVR. Plug in your numbers and see profitability in real time — works for Meta, Google, TikTok, and any paid channel.
Above break-even but thin. You're profitable on ad spend alone, but 1–3× ROAS rarely survives COGS and overhead. Focus next on creative quality (the biggest lever) and LTV extension via retention.
Return on Ad Spend (ROAS) is the single most important efficiency metric in paid media. It answers one question: for every dollar I spend on ads, how many dollars of revenue come back? A ROAS of 3× means you earn $3 of revenue for every $1 spent. A ROAS of 1× means you break even on spend before any product costs.
The formula is deliberately simple — ROAS = Revenue ÷ Ad Spend — but the interpretation is subtle. ROAS is a top-line metric. It ignores cost of goods sold (COGS), fulfillment, platform fees, returns, and fixed overhead. A 3× ROAS sounds healthy, but if your gross margin is 30%, you're losing money on every order. The rough rule of thumb is: break-even ROAS ≈ 1 ÷ gross margin. A brand with 50% margins needs ROAS above 2× just to cover product costs.
ROAS is most useful when paired with two other numbers: break-even CPC (the most you can pay per click and still break even at current CVR and AOV) and break-even CVR (the minimum conversion rate needed at current CPC and AOV to break even). These two numbers tell you which lever needs to move — cheaper clicks, or better conversion — for the campaign to work. Our calculator computes all three live.
Six formulas cover 90% of paid-media efficiency analysis. All computed live by the calculator above.
Typical ranges across e-commerce advertisers. Wide industry variance — use as a directional anchor, not an absolute target.
| Channel | CPM | CTR | CVR | ROAS |
|---|---|---|---|---|
| Meta (Facebook + Instagram) | $8–$18 | 0.9–1.6% | 1.8–3.5% | 2.5–4.5× |
| Google Search (brand + non-brand) | $40–$120 | 3.0–7.0% | 3.0–6.0% | 3.0–6.0× |
| Google Display / PMax | $3–$8 | 0.4–1.0% | 0.5–1.5% | 1.5–3.0× |
| TikTok Ads | $4–$12 | 0.8–1.8% | 1.0–2.2% | 1.8–3.5× |
| YouTube | $10–$30 | 0.3–0.8% | 0.8–2.0% | 1.5–3.0× |
Before anything else, accept an uncomfortable truth: creative quality drives up to 70% of paid media performance. Bid strategy, audience targeting, and landing pages matter — but they matter less than whether the ad stops the scroll. Every other lever is downstream of whether the viewer pauses to read the offer.
The practical hierarchy of ROAS levers, in order of impact:
Pre-test every creative before launch. Move CTAs into the first-2-seconds gaze zone, increase contrast on headlines, and remove competing focal points. A 0.3 percentage point CTR lift on a campaign spending $50k/month is worth more than any bid optimization.
The second-biggest lever after creative. Hero image matches the ad, CTA above the fold, social proof within 500px of top. Most post-click drop-off comes from a landing page that looks different from the ad they clicked.
The cheapest lift. Email + SMS welcome flow, post-purchase upsell, subscribe-and-save offers. A 20% LTV increase lets you bid 20% more per acquisition at the same blended ROAS.
Only after the above three. Excluding existing customers from prospecting, layering in lookalikes of high-LTV segments, moving to value-based bidding. Useful optimization — but diminishing returns compared to creative.
ROAS stands for Return on Ad Spend. It's calculated as total revenue attributed to ads divided by total ad spend, usually expressed as a multiple (e.g., 3.2×) or a ratio (3.2:1). A 3× ROAS means every $1 of ad spend returns $3 in revenue. ROAS measures gross efficiency of spend — not profitability — which depends on product margins and other costs.
A 'good' ROAS depends on your margins. As a rough benchmark for e-commerce: 2× ROAS is break-even for most brands after COGS and fulfillment, 3× is healthy, 4×+ is strong, and 5×+ is typically scale-capped (you can't spend more without ROAS dropping). Subscription businesses can run profitably at 1–2× ROAS if LTV is high. DTC brands with 60%+ margins can often scale at 2.5×. Agency or service businesses often need 5×+ to cover overhead.
ROAS measures revenue per dollar of ad spend only. ROI measures profit per dollar of total investment, including COGS, fulfillment, overhead, and platform fees. A campaign with 3× ROAS might have 0% ROI if COGS eat 60% of revenue and ad spend is 33%. Always convert ROAS to approximate ROI before making budget decisions: (ROAS × margin%) − 1 = rough ROI multiple.
The biggest lever is creative quality — it drives up to 70% of ad performance. Pre-testing creatives with AI attention tools (like GazeIQ) before launch eliminates the obvious losers. Secondary levers: tighter audience targeting (especially for cold), higher-converting landing pages, retention flows to lift LTV, and bid strategy optimization. In that order. Never try to fix a broken creative with more bid tuning — the math doesn't work.
Break-even CPC = AOV × CVR. It's the maximum cost-per-click at which your campaign breaks even at current conversion rate and order value. Break-even CVR = CPC ÷ AOV. It's the minimum conversion rate needed at current CPC and AOV to break even. These two numbers tell you which lever (cheaper clicks or better conversion) needs to move for the campaign to work.