Marketing ROI Calculator — Free tool for founders and marketers

Compare the return on every marketing channel side-by-side. Enter your monthly spend and revenue for Google Ads, Meta, SEO, email — any channel you run — and instantly see which one is quietly making you money and which one is burning it.

📊 Free tool

Marketing ROI Calculator

Compare the return on every marketing channel side-by-side. Enter your spend and revenue for each channel — we’ll instantly show ROI, ROAS, CPA, and which channel is actually making you money (and which is quietly losing it).

Channel
Spend / mo
Revenue / mo
Conv.
ROI %
ROAS

Portfolio summary

0% overall marketing ROI across all channels
$0 Total spend / mo
$0 Total revenue / mo
$0 Net profit / mo
Avg. cost / conversion

ROI comparison by channel

💎 Normally $100/hour — FREE for you

Talk to our ROI Growth Partner — free 45-min session

Our expert usually charges $100/hour for strategy sessions. We’re giving you the first one free. In 45 minutes you’ll walk away with a concrete plan to double your ROI in 90 days — even if we never work together after.

Schedule my free session →
✓ No sales script · ✓ No obligation · ✓ Concrete action plan

⚡ Quick answer

Marketing ROI is calculated with this formula: ROI (%) = ((Revenue − Spend) / Spend) × 100. A ROI of 100% means you doubled your money — every $1 spent brought back $2. Anything below 0% is losing money. A healthy marketing channel usually delivers 100–300% ROI. Anything above 300% is a channel to scale aggressively.

What is Marketing ROI?

Marketing ROI (Return on Investment) is a metric that measures how much revenue you generate for every dollar spent on marketing. It tells you which channels are profitable, which are breakeven, and which are quietly losing money.

Marketing ROI is different from ROAS (Return on Ad Spend). ROI accounts for profit (revenue minus cost), while ROAS is a simpler revenue-to-cost ratio. Both are useful, but ROI is the metric that actually tells you if a channel is growing your bottom line.

How to calculate Marketing ROI

The standard formula is:

ROI (%) = ((Revenue − Marketing Cost) ÷ Marketing Cost) × 100

Example: You spent $2,000 on Google Ads last month and generated $8,000 in revenue from those ads. Your ROI is (($8,000 − $2,000) ÷ $2,000) × 100 = 300%. For every $1 spent, you got $4 back — a $3 profit.

What is a good Marketing ROI?

Marketing ROI benchmarks vary by industry, but these ranges work for most businesses:

  • Below 0% — the channel is losing money. Pause or fix immediately.
  • 0% to 100% — breakeven to weak. Often fixable with better targeting or creative.
  • 100% to 300% — healthy performance. Most established channels sit here.
  • 300% to 500% — strong. Consider scaling budget carefully.
  • 500%+ — exceptional. This is the channel to double-down on aggressively.

Common mistakes when measuring marketing ROI

  • Only counting first-touch revenue. A customer often interacts with 3–7 channels before buying. Attribute credit across all of them, not just the last click.
  • Ignoring lifetime value (LTV). ROI on first purchase may look weak, but a $50 acquisition cost for a $2,000 lifetime customer is a phenomenal ROI.
  • Not accounting for time. SEO takes 6–12 months to show ROI. Measuring it monthly makes it look bad forever.
  • Forgetting operational costs. Ad spend isn’t your only cost. Include the tools, freelancers, and internal team time.
  • Comparing channels with different goals. Brand campaigns and direct-response campaigns are measured differently. Don’t lump them together.

AK
● Meet Our Growth Partner

Abhinay Kumar — AI Strategy Expert

200+ businesses advised. Deep expertise in AI automation, SEO, AEO, and GEO. Available to WOW Momentum founders for complimentary strategy sessions (normally $100/hour).

50+Direct clients
150+Advised
7Industries
Read full profile → 💎 Normally $100/hr — free

Frequently asked questions

What is the formula for marketing ROI?

Marketing ROI is calculated as: ((Revenue − Marketing Cost) ÷ Marketing Cost) × 100. Express the result as a percentage. A 100% ROI means you doubled your investment; a 300% ROI means you got $4 back for every $1 spent.

What is a good marketing ROI percentage?

A healthy marketing channel typically delivers between 100% and 300% ROI. Anything above 300% is exceptional and worth scaling. Anything below 0% is losing money and needs an urgent fix. Averages vary by industry — B2B SaaS and DTC ecommerce often see 200–500%; local services often see 300–800%.

What is the difference between ROI and ROAS?

ROAS (Return on Ad Spend) is Revenue ÷ Spend, expressed as a ratio like 4x. ROI subtracts spend from revenue first, so it measures actual profit. A 4x ROAS is a 300% ROI. Use ROAS for quick campaign monitoring, ROI for real profitability decisions.

How often should I calculate marketing ROI?

For paid channels like Google Ads and Meta Ads, review ROI weekly. For SEO, content, and email — calculate monthly. For long-term brand campaigns, look at ROI quarterly. Reviewing too often on slow-return channels leads to bad decisions.

Why is my marketing ROI negative?

Negative ROI means your marketing cost is higher than the revenue it generated. Common reasons: (1) targeting too broad, (2) landing page doesn’t convert, (3) product-market fit is weak, (4) attribution is missing revenue from other touchpoints, (5) not accounting for customer lifetime value. Fix in that order.

Should I include salaries in marketing ROI?

For internal ROI decisions — yes, include the fully-loaded cost of your marketing team, freelancers, and tools. For channel-level campaign ROI — usually just include the direct spend (ads, tools tied to that channel). This keeps campaign decisions clean while total marketing ROI stays honest.

How can WOW Momentum help improve my marketing ROI?

We audit your full marketing stack (paid ads, SEO, email, content), identify the channels with the biggest ROI upside, and install AI-powered systems that make every channel more efficient. Most clients see 40–80% ROI improvement within 90 days. Book a free 30-min audit to see what we’d change in yours.

Related reading

Ready to grow? Free 30-min strategy call.
Start now