Customer Lifetime Value Calculator

Find out how much gross profit a typical customer brings in over the whole relationship, and whether that justifies what you spend to win them.

Currency
USDUS Dollar · $
EUREuro · €
GBPBritish Pound · £
CHFSwiss Franc
CADCanadian Dollar · CA$
AUDAustralian Dollar · A$

Revenue minus the direct cost of what you sold, as a share of revenue.

Estimate customer lifetime from

Marketing and sales spend divided by new customers won. Leave at 0 to skip.

Customer lifetime value (gross profit)$288

Based on $720 in revenue over 3.0 years per customer.

Revenue per customer per year
$240
Gross profit per customer per year
$96.00
Average lifespan
3.0 years
Lifetime revenue
$720
LTV:CAC ratio
2.4 : 1
CAC payback
15 months

Each new customer brings back 2.4 times what it cost to win them, in gross profit.

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How it works

  1. Pick your currency and enter the average order value and how often a customer buys per year.
  2. Enter your gross margin so the result reflects profit, not just revenue.
  3. Estimate customer lifetime either directly in years or from your annual churn rate.
  4. Optionally add your customer acquisition cost to see the LTV:CAC ratio and how many months it takes to earn that cost back.

FAQ

What is the formula for customer lifetime value?

A practical formula is average order value × purchases per year × gross margin × expected lifespan in years. Using margin instead of revenue tells you what a customer is actually worth to the business.

How do I estimate customer lifespan if I don't know it?

Use your annual churn rate: lifespan ≈ 1 ÷ churn. If you lose 25% of customers each year, the average customer stays about 4 years. For a new business, start with a cautious guess and update it as data comes in.

Should CLV use revenue or profit?

Profit, or at least gross margin. Revenue-based CLV looks bigger but can hide customers who cost more to serve than they bring in. The calculator shows both lifetime revenue and gross-profit CLV.

What does the LTV:CAC ratio tell me?

It compares the gross profit a customer brings in over their lifetime with the cost of acquiring them. Below 1 means you lose money on each new customer; higher values leave more room for overheads and growth.