SaaS Metrics
Core SaaS unit economics and retention metrics.
Start here
SaaS Metrics
CAC Calculator
Calculate Customer Acquisition Cost (CAC) from total acquisition spend and new customers.
SaaS Metrics
CAC Payback Period Calculator
Estimate how many months it takes to recover CAC via gross profit.
SaaS Metrics
LTV Calculator
Estimate customer Lifetime Value (LTV) using ARPA, gross margin, and churn rate.
SaaS Metrics
LTV:CAC Calculator
Calculate the LTV to CAC ratio.
All calculators
SaaS Metrics
ARPU Calculator
Calculate Average Revenue Per User (ARPU) for a period.
SaaS Metrics
ARR Calculator
Estimate Annual Recurring Revenue (ARR) from customers and ARPA.
SaaS Metrics
CAC Calculator
Calculate Customer Acquisition Cost (CAC) from total acquisition spend and new customers.
SaaS Metrics
CAC Payback Period Calculator
Estimate how many months it takes to recover CAC via gross profit.
SaaS Metrics
Churn Rate Calculator
Calculate customer churn rate for a period.
SaaS Metrics
LTV Calculator
Estimate customer Lifetime Value (LTV) using ARPA, gross margin, and churn rate.
SaaS Metrics
LTV:CAC Calculator
Calculate the LTV to CAC ratio.
SaaS Metrics
MRR Calculator
Estimate Monthly Recurring Revenue (MRR) from customers and ARPA.
SaaS Metrics
Retention Rate Calculator
Calculate retention rate for a period accounting for new customers.
Guides
CAC: How to calculate Customer Acquisition Cost
Learn how to define and calculate CAC, what to include in costs, and how to segment CAC for better decisions.
Updated 2026-01-05
LTV: How to estimate Lifetime Value (and when not to)
A practical LTV guide: quick models vs cohort-based LTV, unit consistency, and pitfalls with churn and gross margin.
Updated 2026-01-05
CAC Payback Period: What it means and how to improve it
Understand CAC payback: calculation, benchmarks, and levers to improve payback through pricing, margin, and retention.
Updated 2026-01-05
Churn: How to measure churn rate correctly
A guide to churn rate: customer churn vs revenue churn, measurement choices, and how to track churn by cohort.
Updated 2026-01-05
Retention rate: how to measure retention correctly
Learn retention rate definitions, how it differs from churn, and how to measure retention by cohort and segment.
Updated 2026-01-05
ARPU: how to use Average Revenue Per User effectively
A guide to ARPU: definitions, segmentation ideas, and how ARPU interacts with retention and LTV.
Updated 2026-01-05