Marketing and online sales

LTV-to-CAC ratio calculator

Match contribution-based lifetime value with the acquisition cost for the same customer cohort.

Your numbers

Use the units shown. Results update as you change valid inputs.

YOUR RESULT

Match contribution-based lifetime value with the acquisition cost for the same customer cohort.

THE NUMBERS, EXPLAINED

How to use this calculator.

Match contribution-based lifetime value with the acquisition cost for the same customer cohort.

Start with your inputs

Enter lifetime contribution (£), acquisition cost (£). Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.

InputExample value
Lifetime contribution (£)600
Acquisition cost (£)100

A worked example

With the example inputs above, ltv to cac is 6. Change the inputs to explore your own scenario.

Putting the example numbers into the formula

LTV to CAC
(600) ÷ (100) = 6

All results for the example inputs above
ResultExample answer
LTV to CAC6

How this is calculated

LTV to CAC

a ÷ b

Symbols and units
a
Lifetime contribution (£)
b
Acquisition cost (£)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions and limits

Match contribution-based lifetime value with the acquisition cost for the same customer cohort.

Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.

Questions about this tool

What does the result tell me?

LTV to CAC. The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.

Why might another calculator differ?

Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: Match contribution-based lifetime value with the acquisition cost for the same customer cohort.

Are my inputs stored or sent to AI?

Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.

Review status

Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.

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