Unit economics.
aka per-unit profitability, per-customer economics, contribution per unit
Do you make or lose money on each single customer or sale?
What it actually means
Unit economics is the revenue and cost of a single unit of your business, such as one product sold, one order delivered or one customer over their lifetime. It shows whether each unit makes or loses money before fixed costs like rent and head office salaries, and whether growing bigger will make the business healthier or simply lose money faster.
First you pick the unit. For a coffee shop it might be one cup. For a delivery app it is one order. For a subscription app it is usually one customer, which is where terms like CAC (what it costs to win a customer) and LTV (what that customer is worth over time) come in. Then you ask a simple question: when one unit happens, how much money comes in and how much goes out because of it? If a meal kit sells for $60 and the food, packaging and delivery cost $45, each box contributes $15.
The nuance people get wrong: growth does not fix bad unit economics. If every order loses $3, selling ten times more means losing ten times more. Scale can lower some costs, like bulk discounts, but you have to show how, not just hope. The other trap is leaving costs out. Payment fees, refunds, discounts and customer support all belong in the unit if they happen because of that sale. Investors often check unit economics early because it shows whether the core model can work.
Where you'll hear it
Your growth is impressive, but walk me through the unit economics. After delivery and discounts, are you making anything on an average order?
Translation: she wants proof that each sale is profitable on its own, not just that sales are rising.
Also in pricing reviews, where teams check whether a discount still leaves a profit per unit, in fundraising decks, where founders show margins per order or per customer, and in board meetings about whether to spend more on growth.
The pop-culture version
Picture a lemonade stand. One cup sells for $2. The lemons, sugar, ice and paper cup for that serving cost about $0.80. So every cup you sell puts $1.20 toward everything else.
Everything else is the stand itself, the table, the sign, the permit if your town needs one. Those costs stay the same whether you sell five cups or five hundred. Unit economics ignores them for a moment and looks only at the single cup.
Now imagine you gave every customer a free cookie that costs $1.50. Each cup now loses $0.30. Selling more cups would only dig the hole deeper. That is why you check the single cup before you try to sell a thousand.
The practical rule: before you spend to grow, make sure one unit makes money on its own. If it does not, fix the price or the cost per unit first, because volume will multiply whatever result you already have.
Say it like you mean it
“Our unit economics turned positive once we raised the minimum order size, so each delivery now covers its own costs.”
It names a concrete lever and links it to what one unit earns.“We lose money on every sale, but our unit economics will fix itself once we're big.”
Size alone does not fix a loss per unit; you need a specific reason costs will fall or prices will rise.You may hear contribution margin, which is roughly what each unit leaves over after its direct costs. When someone says the unit economics do not work, they mean each sale or customer loses money before overheads even start. Payback period is another one: how many months it takes for one customer to earn back what it cost to win them.
An interactive calculator that works out unit economics for four common revenue models, helping you test prices, costs and margins per unit.
Decoded next
Decoded by the Kurums editorial team. Kurums Decoded translates the language of business for people who are new to it. Definitions are kept short on purpose; the serious version above goes deep. Nothing here is financial, legal or career advice.
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