Calculate CAC and LTV Online

Calculate customer acquisition cost, lifetime value, LTV:CAC ratio, and payback period. Updates instantly as you type.

—CAC
—LTV
—LTV:CAC
—Payback

How to use

  1. Enter marketing spend and number of new customers.
  2. Enter average monthly revenue per customer and expected lifespan.
  3. See CAC, LTV, ratio, and payback period instantly.

Frequently asked questions

How do you calculate CAC?

CAC = Total marketing spend ÷ New customers acquired.

How do you calculate LTV?

LTV = Average monthly revenue × Lifespan (months) × Gross margin %.

What is a good LTV:CAC ratio?

3:1 or higher is generally healthy. Below 1:1 means you lose money on acquisition.

What is CAC payback period?

Months until customer revenue covers acquisition cost. SaaS often targets under 12 months.

Last updated

Powered by maratool