Most LTV calculators stop at total revenue per customer. This works out margin-adjusted LTV too: the figure that should actually set your maximum acceptable CAC.
What a retained customer actually does, not what you hope they do.
Revenue LTV is not what funds ad spend: this is.
Over 4.8 orders across the customer’s lifespan, at £34 contribution per order.
The spreadsheet version, plus why 3:1 is a starting point, not a law.
Check what you're actually paying: the CAC calculator
One calculator rarely tells the whole story. This is the order that actually works: from margin, to target, to a page that can convert the traffic you send it.