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CAC + LTV Calculator

Five inputs, real verdict. Get your customer-acquisition cost, lifetime value, LTV:CAC ratio, payback period, and a plain-English read on whether to scale up.

MONTHLY AD SPEND ($)
NEW CUSTOMERS / MONTH
ARPU ($ / MONTH)
GROSS MARGIN (%)
MONTHLY CHURN (%)
UNIT ECONOMICS
CAC
$200
LTV
$1,680
LTV:CAC
8.40×
PAYBACK (MO)
2.4
AVG LIFETIME (MO)
20.0
Excellent ratio. You're under-spending on growth — turn the dial up.
Payback under 6 months: reinvest fast.
TRACK THIS OVER TIME
Members get CAC + LTV charted per project, with weekly delta alerts when either moves more than 15%. Join the waitlist for the unit-economics tracker and the free GEO Playbook.
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