SaaS churn cost calculator

Model lost ARR, wasted CAC, cash flow, LTV:CAC, and valuation impact — then generate a password-protected ethyx report.

Your SaaS metrics

Industry vertical

Sets benchmark defaults. All values are editable.

Total active accounts

Average contract value (annual)

Annual churn rate (%)

Industry benchmark: 12–18% annually

Customer acquisition cost

Cash flow & billing

New customers per month

Annual plan customers (%)

Remainder are monthly. SaaS median: 30–50% annual.

Annual plan discount (%)

Typical: 15–20% off monthly equivalent.

Onboarding cost per customer ($)

Implementation, training, setup. $0 for self-serve.

Financial metrics

Gross margin (%)

SaaS median: 72–78%. Above 80% is strong.

YoY revenue growth (%)

Median private SaaS: ~12% (2025).

EBITDA margin (%)

Can be negative for pre-profit companies.

Live dashboard

ARR

$12,000,000

MRR

$1,000,000

Annual churn cost

$1,950,000

Accounts lost / yr

150

Rule of 40

LTV:CAC

60.0:1

CAC payback

1.3 mo

LTV

$60,000

Churn cost waterfall

12-month retention-only forecast

ethyx impact (modelled)

$286,000

15% churn reduction, illustrative only — excludes expansion and brand effects. Not a quote.

Generate the full report

Unlock valuation, cash flow, health gauges, doing-well cards, and evidence-based plays — password protected like our aged care tool.

Get your full personalised report

Detailed charts, cash flow analysis, health scores, valuation modelling, and retention strategies — all benchmarked against 2025–26 industry data. Password-protected and shareable.

Sources

ProfitWell / Paddle — segment churn benchmarks
ChartMogul SaaS Benchmarks (2025)
KeyBanc Capital Markets (2025)
Bessemer Cloud Index (2025–26)
OpenView Partners (2025)
Bain & Company — retention economics
McKinsey — growth + retention
Churnkey — vertical churn splits

Your churn is costing $1,950,000 a year (rev + wasted CAC).