Breakeven ROAS Calculator

Find the minimum ROAS your Shopify ads need to break even — accounting for COGS, payment processing, plan fees, and fixed costs. Includes a sensitivity table showing P&L at every ROAS from 1× to 5×.

1 — Ad Spend

2 — Cost of Goods (COGS)

%

Gross margin before fees: 65.0%

3 — Shopify Plan

4 — Payment Processor

5 — Other Monthly Fixed Costs

Your Breakeven ROAS

— ×

minimum ROAS to break even

Contribution Margin

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Revenue at B/E

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Check Your Actual ROAS

× ROAS

P&L at Different ROAS Levels

ROAS Revenue Net Profit Margin

What Is ROAS — and Why Your Breakeven Isn't 1.0×

ROAS (Return on Ad Spend) measures how much revenue you generate per dollar spent on advertising. A 3× ROAS means every $1 in ads produces $3 in revenue. Simple math suggests that at 1.0× ROAS you break even — but that's wrong, and it's one of the most expensive misunderstandings in ecommerce.

The reason: revenue isn't profit. By the time you pay for product costs, payment processing, your Shopify plan, and app subscriptions, a typical Shopify store keeps only 35–55 cents from every revenue dollar. That means your ads need to generate $2–3 in revenue just to cover their own cost, before any profit appears.

The Three Numbers That Define Your Breakeven

  1. Contribution Margin % — what's left from each revenue dollar after COGS and variable fees (payment processing). This is the most important number in your business. If you sell a $100 item with $35 COGS and $3 in Shopify Payments fees, your CM is 62%.
  2. Fixed Cost Load — your Shopify plan, apps, and other costs that don't scale with orders. At $5K/month in ads, adding $500 in fixed costs raises your breakeven ROAS by ~0.16×.
  3. Ad Spend Scale — as you spend more, fixed costs become a smaller fraction, and your breakeven ROAS drops. This is why profitability often improves at scale even before you optimize creatives.

The Breakeven ROAS Formula — Step by Step

Here's exactly how this calculator arrives at your breakeven ROAS, with a worked example using Shopify Basic + Shopify Payments, $85 AOV, 35% COGS, $5,000 ad spend, $500 fixed costs:

Step 1: Calculate Contribution Margin %

CM% = 1 − COGS% − Processing Rate − (Per-Txn Fee ÷ AOV)
CM% = 1 − 0.35 − 0.029 − (0.30 ÷ 85)
CM% = 1 − 0.35 − 0.029 − 0.00353
CM% = 0.6175  →  61.75%

This means you keep $0.6175 from every $1 of revenue, before fixed costs and ad spend.

Step 2: Calculate Breakeven ROAS

Breakeven ROAS = (Ad Spend + Fixed Costs) ÷ (Ad Spend × CM%)
Breakeven ROAS = ($5,000 + $500 + $39) ÷ ($5,000 × 0.6175)
Breakeven ROAS = $5,539 ÷ $3,087.50
Breakeven ROAS = 1.79×

Step 3: Net Profit at a Given ROAS

Revenue = ROAS × Ad Spend = 3.0 × $5,000 = $15,000
Net Profit = Revenue × CM% − Fixed Costs − Ad Spend
Net Profit = $15,000 × 0.6175 − $539 − $5,000
Net Profit = $9,262 − $539 − $5,000
Net Profit = $3,723  →  24.8% net margin

ROAS Benchmarks by Channel and Product Category (2026)

These are industry medians — your breakeven ROAS (from the calculator above) is your real target, not these averages. But knowing channel norms helps identify underperformance.

By Advertising Channel

Channel Median ROAS Strong ROAS Notes
Meta (FB/IG) 2.5–3.5× 4×+ Prospecting 1.5–2×, retargeting 4–8×
Google Shopping 3.0–5.0× 6×+ Intent-based; higher ROAS, lower volume
Google Search 4.0–8.0× 10×+ Brand campaigns can hit 20×+ but small volume
TikTok Ads 1.5–2.5× 3.5×+ Lower ROAS, stronger brand building; LTV compensates
Pinterest 2.0–4.0× 5×+ Home, fashion, food categories outperform
Email (owned) 15–40× 50×+ Highest ROAS of any channel — invest in list building

Typical Breakeven ROAS by Product Category

Category Typical COGS Breakeven ROAS Scale target
Beauty & Skincare 25–35% ~1.6× 2.5× profitable, LTV matters most
Supplements / DTC 20–30% ~1.5× Often willing to break even on first order (LTV)
Apparel & Fashion 35–50% ~2.0–2.3× Returns inflate true cost; target 3×+ to be safe
Home & Garden 40–55% ~2.3–2.8× Shipping costs further raise breakeven
Consumer Electronics 55–70% ~3.5–5.0× Thin margins require very efficient targeting
Dropshipping 60–80% ~5.0–8.0× Highest breakeven; requires strong brand moat

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Frequently Asked Questions

What is a good ROAS for a Shopify store?
A 'good' ROAS depends on your margins. With 35% COGS and Shopify Payments, breakeven ROAS is roughly 2.0–2.5×. A healthy profitable ROAS is 3–4× for most categories. High-margin products (beauty, supplements) can be profitable at 2×; low-margin electronics need 5×+.
How do I calculate breakeven ROAS?
Breakeven ROAS = (Ad Spend + Fixed Costs) ÷ (Ad Spend × Contribution Margin%). CM% = 1 − COGS% − Payment Rate − Per-Txn Fee ÷ AOV. Example: COGS 35%, Shopify Payments Basic (2.9%+30¢), AOV $85: CM% = 61.7%. With $5K ad spend + $500 fixed: Breakeven = $5,500 ÷ ($5,000 × 0.617) = 1.78×.
What is the difference between ROAS and ROI?
ROAS = Revenue ÷ Ad Spend. ROI = Net Profit ÷ Ad Spend. A 3× ROAS means $3 revenue per $1 spent. With 40% COGS and 2.9% processing, that 3× ROAS produces roughly 70% ROI — not 200%.
Why does my Shopify ROAS need to be above 2× to be profitable?
Because COGS + payment fees + fixed costs typically consume 50–65% of revenue. If 60% of every dollar goes to costs, each $1 of ad spend needs to generate $2.50+ in revenue just to break even, so minimum ROAS is 2.5×. Your exact number depends on your specific cost structure.
How can I lower my breakeven ROAS on Shopify?
Three levers: (1) Reduce COGS% through supplier negotiation. (2) Switch to Shopify Payments — eliminates the 0.5–2% penalty. (3) Increase AOV with bundles — a higher AOV dilutes the fixed $0.30/transaction fee, improving your contribution margin.