Unit Economics Calculator (by business model)
ReasoningWhat one order, subscription, hour, or cover really earns. Switch between D2C, SaaS, services, and restaurant models and watch the gross → contribution → net ladder resolve.
The unit is one customer. Recurring revenue: what a customer is worth over their whole life.Set your numbers and the ladder resolves live — then download a branded Excel where every result is a formula off your inputs. The math the P&L (and QuickBooks) won't break out for you.
L1 · monthly margin
$164.20
82% — ARPA less cost to serve
L2 · lifetime value
$5,473
over ~33 months of life
L3 · LTV after CAC
$4,273
true lifetime profit per customer
Best filled in on a bigger screen
This calculator has a lot of inputs — open it on a laptop or desktop to work through them comfortably. You can still switch presets above, read the ladder, and download the Excel below.
CAC payback
7.3 mo
months of cash underwater per customer
LTV : CAC
4.6×
3× or better is healthy
Want the full walk-through? Read the series: D2C, SaaS, services, restaurants, and contractors.
Want this on your real numbers? Wauvel builds it straight from your QuickBooks.
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