A coffee shop's net profit margin is small. Toast's worked model of an independent shop lands at 9.3% with every seat full, and Toast puts typical monthly operating expenses at 75 to 85% of sales, which leaves 15 to 25% before loan payments, slow months and the owner's own pay. Gross margin on the drinks is high; what eats it is labor at 24 to 40% of sales and food and ingredient cost at 30 to 35%. Below is the cost stack with its sources, Toast's example run through line by line, and the per-gram coffee math from the current government price series, so you can rebuild the number for your own shop instead of trusting a headline percentage.
The cost stack
| Line | Share of sales | Source |
|---|---|---|
| All monthly operating expenses | 75 to 85% | Toast |
| Labor | 24 to 40% | Toast |
| Food and ingredient costs | 30 to 35% | Toast |
| Marketing | 3 to 6% | Toast |
| Owner's salary | 2 to 6% | Toast |
| Rent in Toast's example | $6,000 of $42,780, about 14% | Derived from Toast's model |
| Loan payment in Toast's example | $5,300 of $42,780, about 12% | Derived from Toast's model |
All of the percentage ranges are from Toast's coffee shop revenue guide. Toast is a restaurant point-of-sale company, so these are compiled operator figures rather than an audited survey, and the page's headline "15 to 25% profit margin" is attributed on the page to a third party (Upmenu), not to Toast's own data. Treat that range as the ceiling, not the average. Toast's own example, below, comes in well under it.
Toast's example shop, line by line
Toast models a shop it calls Authenticity Coffee. At full capacity it sells $42,780 a month. Monthly costs: rent $6,000, insurance $3,000, utilities $2,000, food costs $7,000, labor $14,000, marketing $1,500, loan payment $5,300, total $38,800. Profit: $3,980, a 9.3% margin, and that is with every seat full all day. Toast then assumes the shop runs at 35 to 60% of capacity in year one and does not reach the roughly 90% of capacity where it is comfortably profitable until the start of year four. Two things stand out in that model. Labor is 33% of sales, the largest line, and rent plus the loan are 26% together, which is the part a new owner tends to underweight when pricing drinks.
Toast's per-item assumptions are worth keeping: $2.50 of profit on a cup of drip, $3.00 on an espresso drink, and $1.25 added when a customer also buys a pastry from a commissary, which happens on 25% of transactions in the model. Food has the lowest margin of the three but lifts the ticket, which is why nearly every shop sells it.
What the coffee itself costs
The Bureau of Labor Statistics tracks the average US city price of 100% ground roast coffee. For July 2026 it is $9.317 per pound, up from $8.414 in July 2025. That is a grocery shelf price, not wholesale, but it is the only public series updated monthly, and it gives a clean per-gram number: $9.317 divided by 453.6 g is 2.05 cents per gram. Every 10 g of coffee that goes into a cup costs about 21 cents at that price; a 20 g drip dose is about 41 cents, an 18 g double shot about 37 cents. Compare that with Toast's $2.50 to $3.00 of profit per drink and you can see why the coffee is not where margin is lost. Milk, cups, lids and the barista's minutes are. Our coffee price per pound page tracks the BLS series over time, and how to price coffee drinks walks through building a menu price from the ingredient cost up.
Where the margin actually goes
Rebuild Toast's example at 60% of capacity, its optimistic first-year figure: sales fall to about $25,700, but rent, insurance, the loan payment and most of the labor do not fall with them. The $38,800 cost base does not shrink to $23,000 just because fewer people came in, so the shop loses money until volume grows into the fixed costs. That is the mechanism behind nearly every closure story: the margin at full capacity was fine, the ramp was too long for the cash on hand. Toast's $20,000 to $700,000 contingency fund range is wide for exactly that reason.
Three numbers to watch weekly, because they are the only lines you control quickly: labor as a share of sales (Toast's 24 to 40% band), ingredient cost as a share of sales (30 to 35%), and average ticket, which the pastry attach rate moves faster than any price increase. The reasons shops fail line up with those three; see why coffee shops fail. And before any of it, the startup budget: Toast's range for opening is $500,000 to $1,500,000 all in, with equipment alone at $80,000 to $300,000.
None of this is financial advice; it is the published cost structure with the sources attached so you can check it against your own numbers.
Sources
Toast: How much do coffee shops make? (cost shares and the Authenticity Coffee model)
US Bureau of Labor Statistics: Average price, coffee, 100% ground roast, all sizes, per lb, US city average (series APU0000717311)
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