Online Marketing ROI — Smart Financial Analysis
Calculate ROI, ROAS, and CAC payback for digital marketing campaigns
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Marketing ROI (Return on Investment) measures the profitability of your marketing spend. ROAS (Return on Ad Spend) = Revenue ÷ Ad Spend. ROI accounts for profit (revenue minus cost); ROAS shows revenue per dollar spent. A 5:1 ROAS (500% ROI) is considered strong for most businesses.
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Why: Marketing ROI (Return on Investment) measures the profitability of your marketing spend. Formula: ((Revenue - Ad Spend) / Ad Spend) × 100. A 400% ROI means you earned $4 profit ...
How: Enter Ad Spend ($), Revenue ($), CAC ($) to get instant results. Try the preset examples to see how different scenarios affect the outcome, then adjust to match your situation.
Run the calculator when you are ready.
📋 Quick Examples — Click to Load
📊 Channel Bar
📈 Trend Line
🍩 Spend vs Profit
📊 ROAS Comparison
ROI
ROAS: 5.00:1, Profit: $40,000
For educational purposes only — not financial advice. Consult a qualified advisor before making decisions.
💡 Money Facts
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Digital marketing ROI measures profitability of ad spend. ROAS (Revenue / Ad Spend) is the key metric for paid campaigns. A 5:1 ROAS is strong; email averages 42:1. Google Ads ROAS is ~$5.78. Digital ad spend grew 36% YoY.
Sources: HubSpot, Google Ads, DMA, eMarketer.
Key Takeaways
- • ROAS = Revenue ÷ Ad Spend; ROI = ((Revenue - Spend) / Spend) × 100
- • 5:1 ROAS is a strong benchmark for most paid channels
- • Email marketing delivers highest ROI (42:1) due to low cost
- • Attribution models affect reported ROI per channel
Did You Know?
How Does Marketing ROI Work?
ROI vs ROAS
ROI subtracts cost from revenue; ROAS divides revenue by spend. Use ROAS for quick channel comparison, ROI for full profitability.
CAC Payback
CAC ÷ (LTV/12) = months to recover acquisition cost. Under 18 months is healthy for subscription businesses.
Attribution
Last-click, first-click, linear, and data-driven models assign credit differently. Choose one and stay consistent.
Expert Tips
ROI by Channel
| Channel | Typical ROAS | Notes |
|---|---|---|
| 42:1 | Highest ROI | |
| Google Ads | ~5.78 | Industry avg |
| Social | 2-4:1 | Brand + conversion |
| Content | 3-5:1 | Long-term compound |
Frequently Asked Questions
What is marketing ROI?
Marketing ROI (Return on Investment) measures the profitability of your marketing spend. Formula: ((Revenue - Ad Spend) / Ad Spend) × 100. A 400% ROI means you earned $4 profit for every $1 spent. It helps justify budgets and compare channel performance.
How to calculate ROAS?
ROAS (Return on Ad Spend) = Revenue ÷ Ad Spend. A 5:1 ROAS means $5 revenue per $1 spent. Unlike ROI, ROAS doesn't subtract costs—it shows gross return. Google Ads averages ~$5.78 ROAS across industries.
Marketing ROI vs ROAS—what's the difference?
ROI accounts for profit (revenue minus cost); ROAS shows revenue per dollar spent. ROAS is simpler and common in paid ads. ROI is better for full-funnel analysis including COGS and overhead.
What is a good marketing ROI benchmark?
A 5:1 ROAS (500% ROI) is considered strong for most businesses. Email marketing averages 42:1 ROI. Industry benchmarks vary: e-commerce often targets 4:1, SaaS may accept 3:1 for top-funnel campaigns.
What are attribution models?
Attribution models assign credit to touchpoints: last-click (final touch), first-click (acquisition), linear (equal), time-decay (recent touchpoints weighted more), and data-driven (algorithmic). Choice affects reported ROI per channel.
What is CAC payback period?
CAC payback = Customer Acquisition Cost ÷ (Monthly Revenue per Customer). It shows months to recover acquisition cost. A 12-month payback is typical for SaaS; under 18 months is generally healthy.
Key Statistics
Official Data Sources
⚠️ Disclaimer: This calculator is for educational purposes only. Benchmarks vary by industry and campaign type. Not financial or marketing advice.
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