Marketing

CAC / LTV Calculator

Customer acquisition cost, lifetime value, payback period, and the LTV:CAC ratio — with industry benchmarks and multi-cohort comparison.

HealthySaaS — SMB / Mid-market
unit.economics/cac-ltv.calc
LTV : CAC ratio
3.75
:1
Payback 8.9 mo/ < 123x healthy · 5x great

OpenView 2024: median LTV:CAC 3.5x, payback 12-15 months.

LTV$1,500
CAC$400
◉ autosaved
Acquisition + economics

Inputs — primary cohort

The numbers that matter

Unit economics

CAC
$400
Contribution / month
$45
Avg lifetime (months)
33.3
LTV
$1,500
Payback (months)
8.9
LTV : CAC
3.75:1
SaaS — SMB / Mid-market benchmark
Broken < 1xHealthy 3xExcellent 5x+

OpenView 2024: median LTV:CAC 3.5x, payback 12-15 months.

Target payback: < 12 months. Yours: 8.9.

Verdict: HealthyOpenView 2024: median LTV:CAC 3.5x, payback 12-15 months.

Cumulative contribution margin under exponential retention

LTV vs CAC over retention

Curve: cum. contribution margin · Dashed: CAC line · Crossover = payback