LTV Calculator
Free CalculatorTurn ARPU, gross margin and average customer lifespan into customer lifetime value β instantly and privately.
100% private
Runs in your browser β no numbers leave your device.
Your numbers
Average revenue per user, per month.
Share of revenue left after direct costs.
How long an average customer stays, in months.
Customer lifetime value (LTV)
$288
Total gross-margin profit an average customer generates over their lifetime.
Lifetime revenue
$360
Total revenue before margin β ARPU Γ lifespan.
How it works
Enter ARPU
Add your average monthly revenue per user.
Add gross margin
Enter the percentage of revenue left after direct costs.
Add lifespan
Estimate how many months an average customer stays.
Read your LTV
Lifetime value and lifetime revenue update live.
Win more customers to grow LTV
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What is an LTV calculator and how do you calculate LTV?
Customer lifetime value (LTV) is the total gross-margin profit an average customer generates before they churn. This LTV calculator uses the simplest reliable formula β ARPU Γ gross margin Γ average lifespan β so you get lifetime value from three inputs you already track: how much a customer pays per month, how much of that is profit after direct costs, and how long they stay. It also shows lifetime revenue (ARPU Γ lifespan) so you can see the number before margin is applied.
LTV matters most next to CAC, your cost to acquire a customer. The LTV:CAC ratio is the clearest signal of sustainable growth: below 1 you lose money on every customer, around 3:1 is the healthy target most SaaS and app businesses aim for, and much higher can mean you are underinvesting in growth. Raising LTV β through better retention, higher ARPU, or stronger conversion at the top of the funnel β lets you spend more to win each customer and still grow profitably.