One number decides whether growth compounds or drains: what a customer is worth, divided by what they cost. Under three, growth makes the hole deeper.
LTV to CAC ratio calculator
Whether what a customer is worth over their lifetime justifies what they cost to win, and what the ratio says about spending more or less.
LTV to CAC
5
Healthy (1 = yes)
1
Months to pay back
2.4
Affordable acquisition cost
CHF 900.00
Calculated instantly in your browser · no data sent
How it works
- 1Take the lifetime value at margin, not at revenue.
- 2Take the acquisition cost including the sales effort.
- 3Read the ratio and the payback together.
Who it's for
- •Checking whether a channel can scale
- •Preparing a board or investor update
- •Setting an acquisition ceiling
Pro tips
- Three is the usual floor. Ten often means you are under-investing, not winning.
- A good ratio with a two-year payback still runs out of cash. Read both.
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