By Heidi Macomber · July 22, 2026 (updated July 28, 2026)

If you do not know your break-even point, you are gambling every time you set prices, schedule staff, or sign a lease. Here is how to calculate the exact sales number your food business needs to hit each week just to stay alive.

What Is Break-Even?

Break-even is the point where your total revenue exactly covers your total costs. Above it, you profit. Below it, you lose money. At it, you survive.

Every food business has one. Most owners do not know theirs. They guess based on what feels busy or what the rent looks like. That is why so many food businesses fail in their first two years. Not because the food was bad. Because they hit break-even far less often than they assumed.

The Two Cost Types

To find break-even, you need to separate every cost into one of two buckets.

Fixed costs stay the same no matter how much you sell. Rent, insurance, equipment leases, software subscriptions, salaried positions, loan payments. You pay these whether you serve 10 customers or 1,000.

Variable costs scale with sales. Ingredients, packaging, credit card processing fees, hourly labor during service, delivery commissions. If you sell twice as much food, these roughly double.

The Formula

Break-even in dollars = Fixed Costs divided by Contribution Margin Ratio

Contribution Margin Ratio = (Revenue minus Variable Costs) divided by Revenue

Let us walk through a real example. A food truck with these monthly numbers:

Fixed costs (monthly):

  • Truck and equipment loan: $1,200
  • Commissary rent: $800
  • Insurance: $350
  • Permits and licensing: $200
  • Software and POS: $180
  • Owner salary (baseline): $3,000
  • Total fixed: $5,730

Variable costs (as % of revenue):

  • Food and ingredients: 30%
  • Packaging and supplies: 4%
  • Credit card fees: 2.5%
  • Hourly kitchen labor: 12%
  • Gas and propane: 2%
  • Total variable: 50.5%

Contribution margin ratio = 100% minus 50.5% = 49.5%

That means for every $1 in sales, 49.5 cents goes toward covering fixed costs. Everything above break-even is profit.

Break-even = $5,730 / 0.495 = $11,576 per month

Per day (assuming 25 service days): $463 per day

That food truck needs to sell $463 of food every single service day just to break even. Before the owner makes a single dollar of profit.

Why This Number Changes Everything

Once you know your break-even, decisions become clear.

Should you add a second service window? If the extra labor and supplies cost $200/day, you need $404 in additional daily sales ($200 / 0.495) to justify it. Less than that, you lose money on the expansion.

Can you afford to close Mondays? Your fixed costs do not drop. You need the other 5 days to absorb Monday's $463 break-even. That is $92.60 extra per day needed across the remaining days.

Should you take a catering gig on a normally closed day? Yes, if revenue minus variable costs exceeds the daily fixed cost of $192 ($5,730 / 30 days). A $2,000 catering job with 30% food cost generates $1,000 in contribution margin. That easily covers the day's fixed cost and adds $808 in profit.

The Most Common Mistake: Confusing Busy for Profitable

A packed Friday night feels like success. But if your variable costs are higher than you think (waste, over-portioning, overtime labor), your contribution margin shrinks. You can be busy and still not hit break-even.

This happens constantly with delivery apps. A $25 order through a third-party app at 30% commission has a much lower contribution margin than the same $25 order at the counter. The revenue looks identical. The profit is not.

Break-Even by Day of Week

Calculate break-even for each day separately. Weekend break-even might be $800/day because you run a full crew. Tuesday break-even might be $350 because you run lean.

If Tuesday sales average $380, you are barely clearing break-even. A single slow Tuesday (rain, road construction, competing event) puts you underwater for the week.

The Weekly Break-Even Check

Every Monday morning, look at last week's numbers:

  1. Total revenue
  2. Total variable costs (food + packaging + hourly labor + fees)
  3. Contribution margin (Revenue minus Variable Costs)
  4. Did contribution margin cover weekly fixed costs?

If yes, you profited. If no, you lost money. Track this for 8 weeks and you will see your pattern. Some weeks always lose money. Some always win. The question is whether the winners cover the losers.

What Good Software Does

Percy Plate connects your recipe costs, sales data, and fixed cost inputs into a live break-even calculation. You see:

  • Daily and weekly break-even targets that adjust when costs change
  • Contribution margin per menu item, so you know which dishes pull their weight
  • Projected break-even for upcoming weeks based on forecasted sales

You stop guessing whether a busy day was a profitable one. The math is always running.

Three Things to Do This Week

  1. List every monthly fixed cost. Be honest. Include your baseline salary.
  2. Estimate your variable cost percentage. Start with food cost percentage (you should know this) and add labor, packaging, and fees.
  3. Calculate your monthly and daily break-even. Write it on a sticky note. Put it by the register.

The number might scare you. That is the point. Once you know it, every pricing, staffing, and scheduling decision gets easier.

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