Tool · free

CAC Payback + LTV Calculator

The four unit-economics numbers VC + PE actually look at. Enter your inputs - get CAC payback months, LTV, LTV:CAC, and contribution margin.

CAC ($/customer)ARPA ($/customer/month)Gross margin (%)Monthly churn (%)

Payback

10.1 mo

Monthly contribution

$79

LTV

$2640

LTV : CAC

3.3x

Strong (VC-fundable)

Bessemer’s benchmark: CAC payback under 18 months and LTV:CAC over 3.0 are the two thresholds VCs use to qualify "Tier-1" SaaS.

For SMB SaaS churn benchmarks see our SaaS churn statistics.