Most food trucks run a net profit margin of 6% to 12% once every real cost is on the books, so a truck doing $250,000 a year typically keeps $15,000 to $30,000 in true profit. The busy, well-run ones push toward 15% to 20%. The number lives or dies on three levers: food cost, labor, and how many good service days you actually get.
Ask ten food truck owners what they make and you’ll get ten different answers, most of them wrong in the same direction. People quote gross margin on a single taco and forget that fuel, the commissary rent, the generator, the permits, and their own unpaid hours all come out of that number. So let’s build the margin from the ground up, the way it actually stacks on a P&L.
What “profit margin” really means for a truck
There are two numbers people mix up. Gross margin is what’s left after food cost only. If a $12 plate costs you $3.60 in ingredients, that’s 70% gross margin, and it looks fantastic. Net margin is what’s left after everything, including the stuff that’s easy to ignore, and that’s the number that pays your rent.
Here’s the honest hierarchy for a typical truck grossing $20,000 a month:
| Line item | % of sales | On $20,000/mo |
|---|---|---|
| Food & packaging cost | 28–35% | $5,600–$7,000 |
| Labor (incl. your pay) | 25–35% | $5,000–$7,000 |
| Fuel, propane & generator | 3–6% | $600–$1,200 |
| Commissary / kitchen rent | 3–7% | $600–$1,400 |
| Permits, insurance, POS fees | 4–8% | $800–$1,600 |
| Repairs, marketing, misc. | 3–6% | $600–$1,200 |
| Net profit | 6–15% | $1,200–$3,000 |
Notice that labor and food together eat 55% to 70% of every dollar. Restaurant people call this “prime cost,” and it’s the single number to obsess over. If your prime cost drifts above 65% on a truck, you’re working for free, and you probably won’t notice until tax season because the daily cash still feels healthy.
Food cost: the 30% rule and where it leaks
Target a food cost around 28% to 32% of the menu price. On a truck that’s very achievable because your menu is short and you can buy tightly. Where it leaks is spoilage and portion drift. A cook who’s generous with the cheese by half an ounce a plate can quietly push a 30% food cost to 34%, and that four points is most of your net margin gone.
The fix isn’t fancy. Spec your portions, weigh them for a week until the crew’s hands are calibrated, and reconcile what you bought against what you sold. If you sold 400 plates but your inventory says you went through enough beef for 460, that gap is theft, waste, or over-portioning, and it’s costing you real money every service.
The daily revenue you actually need
Work backward from your fixed costs. Say your rent, insurance, permits, loan payment, and base overhead total $4,500 a month, and you operate 22 days. That’s about $205 a day just to open the window, before you’ve paid for a single tortilla or an hour of labor.
Now layer in variable cost. If food and labor run 60% of sales combined, then only 40 cents of each dollar is left to cover that $205 and then profit. To just break even on a given day you need roughly $205 Ă· 0.40 = $513 in sales. To clear a $150 daily profit for yourself on top, you need about $875. At a $12 average ticket, that’s 73 customers. That’s your real target, and it’s a lot more concrete than “sell more tacos.”
Watch out: The commissary is the cost most new owners underestimate. Many cities legally require you to prep and park at a licensed commissary, and that rent, plus the drive time and fuel to reach it, can run $500 to $1,500 a month whether you serve 5 days or 25. Confirm the requirement and price it in before you buy the truck, not after.
A worked example: a taco truck’s real month
Maria runs a two-person taco truck. She works lunch at an office park Monday through Friday and does two weekend events. Here’s a solid, not spectacular, month:
- Sales: $22,000 (about 1,600 tickets at a $13.75 average)
- Food & packaging at 30%: $6,600
- Labor: one helper at $3,200, plus Maria pays herself $3,000: $6,200
- Fuel, propane, generator: $950
- Commissary rent: $900
- Insurance, permits, POS & card fees: $1,300
- Repairs, marketing, supplies: $850
Total costs: $16,800. Net profit: $5,200, or about a 24% margin, and that’s on top of the $3,000 Maria already paid herself as labor. The reason her margin beats the table above is that she counts her own wage separately, and she’s disciplined on food cost and books a couple of high-margin weekend events. Strip out her salary and the “business” made $5,200; her total take-home for the month is closer to $8,200. Which number is “the margin” depends on how you keep the books, and that ambiguity is exactly why owners confuse themselves. Running the same figures through a food truck expense calculator forces every line into the open so you’re not flattering yourself with the easy number.
The levers that actually move the number
Small tweaks in the right places beat heroic effort in the wrong ones. In rough order of impact:
- Average ticket. Getting the average from $12 to $14 through a combo, a drink attach, or one premium item flows almost entirely to the bottom line, because your fixed costs don’t move. This is the single highest-leverage lever most trucks ignore.
- Service days and location quality. Your rent is the same on a dead Tuesday as a packed Friday. Cutting your two worst locations and adding one reliable lunch spot or catering gig can swing the month more than any menu change.
- Food cost discipline. Two points of food cost on $250k a year is $5,000. That’s portioning and waste, not sourcing heroics.
- Catering and private events. A booked $1,500 event with a known headcount has almost no waste and predictable labor, so it often runs a 30%+ net margin, far above a walk-up lunch. A few of these a month reshape the whole P&L.
What barely moves the needle: shaving pennies on packaging, or chasing a slightly cheaper propane supplier. Real money is in ticket size, location, and not throwing food away.
Frequently asked questions
Is a food truck more profitable than a restaurant?
On margin percentage, often yes. Trucks skip the big dining-room rent and staff, so a well-run truck can net 10% to 20% versus a sit-down restaurant’s typical 3% to 9%. But the ceiling is lower: a truck’s total dollars are capped by service hours and a small window, so a good restaurant can out-earn a good truck in absolute profit even at a thinner margin.
What is a good food cost percentage for a food truck?
Aim for 28% to 32% of sales. Below 28% you may be under-portioning or overpricing for your crowd; above 35% your prices are too low or waste and over-portioning are eating you alive. Reconcile purchases against sales monthly to catch drift early.
How much can a food truck owner realistically pay themselves?
On $200k to $300k in annual sales, a working owner-operator commonly takes home $40,000 to $70,000 once you combine their labor wage and the business profit. Owners who don’t work the window, or who run one weak truck, often make far less. Multi-truck operators are where the bigger money starts.
Why is my truck busy but not making money?
Almost always prime cost. If food plus labor is above 65% of sales, a packed window still leaves nothing. The other usual suspect is location cost: paying event fees or commissary rent that your sales at those spots don’t justify. Track both by location and the leak becomes obvious.
How do I calculate my break-even sales per day?
Add up your monthly fixed costs, divide by days worked to get a daily fixed number, then divide that by your contribution margin (1 minus your variable cost percentage). A food truck expense calculator does this in seconds and lets you test what a slow week or a price change does to the number.
Do commissary fees really matter that much?
Yes, because they’re fixed. A $1,000 monthly commissary cost is 5% of a $20k month straight off your margin, and it’s due whether you serve or not. In cities that require one, it’s non-negotiable, so factor it in before you commit to the truck and build your pricing to absorb it.
Your margin is only as trustworthy as your books. Tabby is AI bookkeeping built for small operators, so your food cost, labor, and true net profit stay current without you wrestling a spreadsheet after a 12-hour service. Start a free trial and see what your truck actually makes.
