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Find Your Floor ROAS

Most brands over-optimize for return and under-invest in growth. This calculator helps you find the lowest blended ROAS your business can sustain — so you can outspend, out-acquire, and outgrow your competition.

The Shift: Stop Optimizing for Margin. Optimize for Growth.

When you run your media at the lowest acceptable blended ROAS, you’re maximizing the number of customers you acquire — not the profit per customer. That means more budget in the auction, more impressions, more market share. Brands that grow fastest aren’t the most profitable per-order. They’re the ones spending the most to acquire each customer while staying safely in the black. We use a bottom-line ROAS — total ad spend across all channels vs. total revenue — so upper-funnel channels (like Meta or TikTok) can run at a lower return while lower-funnel channels (like Google or retargeting) capture that demand.

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Your total Shopify revenue for a typical month. Use a trailing 3-month average if your revenue fluctuates seasonally.
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Direct costs tied to fulfilling orders: product cost, packaging, shipping, payment processing fees. This is NOT your total expenses — just what it costs to get each order out the door.

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Typical DTC range: 25–45% of revenue

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Fixed overhead that isn’t ad spend or COGS: team salaries, software subscriptions (Shopify, Klaviyo, etc.), rent, insurance, agency fees. Everything it costs to keep the lights on.
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The floor. The absolute minimum net profit you need to keep each month to stay healthy — cover debt, maintain a safety buffer, or just sleep at night. Think of it as: “If we made exactly this much and not a penny more, we’d still be fine.”
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Be honest — this is your safety net, not your goal

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Total media spend across ALL channels — Meta, Google, TikTok, everything. We’ll compare this to your maximum to show how much runway you might have.
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Optional — helps show your growth headroom

⚠️ Heads Up — The Math Doesn’t Work Yet

Your Results

Lowest Acceptable Blended ROAS
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Total Revenue ÷ Total Ad Spend (all channels)

Max Ad Spend
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The most you can spend on ads and still hit your profit floor
Growth Headroom
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Additional ad budget available vs. what you’re spending now
Ad Spend as % of Rev
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How much of every dollar goes to customer acquisition

Monthly Revenue
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− Cost of Goods Sold
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= Gross Profit
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− Operating Costs
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− Minimum Profit
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= Maximum Ad Budget
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What This Means

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