Marketing ROI & CAC Calculator
Calculate your true customer acquisition cost
Input your marketing spend by channel, number of leads generated, conversion rate, and average customer value. See your true CAC, payback period, and lifetime-value-to-CAC ratio with benchmarks for your industry.
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Why we are building it
A clearer answer before you spend more
Most SMBs know they spend money on marketing but cannot tell you their customer acquisition cost or payback period. This calculator is the first step to treating marketing as an investment with measurable returns instead of a cost centre.
What the Marketing ROI & CAC Calculator will do
- 1
Input spend by channel, leads, conversions, and average customer lifetime value
- 2
Calculate true CAC (including hidden costs: tools, time, agency fees)
- 3
Show payback period in months for each channel
- 4
LTV:CAC ratio with industry benchmarks (SaaS, professional services, retail, healthcare)
- 5
Identify which channels are above or below your target CAC threshold
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