How do you calculate a restaurant break-even point?

Divide total fixed costs by the contribution margin ratio. The contribution margin ratio is 1 minus variable costs as a share of sales. If fixed costs are $30,000 and variable costs are 65% of sales, break-even sales are $30,000 / 0.35 = $85,714.

What counts as a fixed cost in a restaurant?

Rent, insurance, salaried management, loan payments, licences, base utilities, and subscriptions. These stay broadly the same whether you serve 100 covers or 1,000.

What counts as a variable cost?

Food and beverage cost, hourly labor, credit card fees, delivery commissions, and consumables such as packaging. These scale roughly in line with sales.

What is contribution margin?

Contribution margin is the share of each sales dollar left after variable costs, and it is what pays down fixed costs. A restaurant with 65% variable costs has a 35% contribution margin, so every dollar of sales contributes 35 cents toward fixed costs and then profit.

How can a restaurant lower its break-even point?

Either reduce fixed costs or raise the contribution margin. Renegotiating rent and trimming subscriptions attacks fixed costs, while menu re-pricing, portion control, and shifting mix toward high-margin items raise the contribution margin.

Restaurant Break-Even Calculator

Enter your fixed costs, variable cost %, and see the sales figure you need to hit to break even.

Monthly Fixed Costs Rent, salaries, insurance, subscriptions — costs that don't change with sales volume.

Variable Cost % of Sales Usually your prime cost % — food, hourly labor, card fees.

Result

Enter your fixed costs and variable cost % to see your break-even sales.

How to calculate your restaurant break-even point

Your break-even point is the level of sales at which the business makes neither a profit nor a loss — the moment every cost is covered and the next dollar through the till starts contributing to profit. Knowing it changes how you read a trading week, because you stop asking "were sales good?" and start asking "were sales above the line?"

Break-Even Sales = Fixed Costs ÷ Contribution Margin Ratio

Where the contribution margin ratio is 1 minus your variable costs expressed as a share of sales. If variable costs run at 65% of sales, your contribution margin ratio is 0.35, and every sales dollar leaves 35 cents to pay down fixed costs.

Splitting your costs correctly

The whole calculation depends on classifying costs correctly, and this is where most attempts go wrong.

Fixed costs stay broadly the same whether you serve 100 covers or 1,000:

Rent, service charge, and property taxes
Insurance premiums
Salaried management and head chef
Loan and equipment lease repayments
Licences, subscriptions, and software
Base utility standing charges
Accountancy and professional fees

Variable costs scale roughly in line with sales:

Food and beverage cost of goods sold
Hourly kitchen and front-of-house labor
Credit card processing fees
Delivery platform commissions
Packaging, consumables, and laundry
The usage element of utilities

Some costs are genuinely semi-variable. Utilities have a standing charge plus usage; a part-time supervisor guaranteed 20 hours is fixed to that point and variable beyond it. Split them at a sensible estimate rather than forcing them into one bucket — precision matters less than consistency month to month.

A worked example

A 60-cover neighbourhood restaurant has monthly fixed costs of $28,000: rent $11,000, salaried management $9,500, insurance $1,200, loan repayment $3,300, subscriptions and licences $1,200, professional fees $1,800.

Variable costs run at 62% of sales: food cost 30%, hourly labor 26%, card fees and consumables 6%.

The contribution margin ratio is 1 − 0.62 = 0.38.

$28,000 ÷ 0.38 = $73,684 per month

That is roughly $2,456 per day in a 30-day month, or about $17,000 per week. With an average check of $38, the restaurant needs approximately 65 covers per day simply to stand still.

Knowing that number reframes everything. A week at $15,000 is not a "slightly quiet week" — it is a $2,000 loss, and it needs a response.

Break-even in covers rather than dollars

Dollar targets are hard for a floor team to act on. Converting to covers makes the number operational.

Break-Even Covers = Break-Even Sales ÷ Average Check

Managers can hold a cover count in their head during service in a way they cannot with a revenue figure. It also exposes a second lever: raising the average check by $2 in the example above lowers the required cover count from 65 to about 61, which is often far easier than finding four more guests.

How to lower your break-even point

There are only two levers — reduce fixed costs, or raise the contribution margin. Both are worth working on, but they operate on very different timescales.

Reduce fixed costs

Renegotiate rent or seek a turnover-linked component, which converts a fixed cost into a variable one and structurally lowers break-even
Audit subscriptions and services — most operations carry several hundred dollars a month of software and services nobody uses
Review insurance and utility contracts annually rather than letting them roll
Reconsider salaried headcount relative to the size of the operation, which is difficult but occasionally necessary

Raise the contribution margin

Re-price the menu where costs have moved — even 3–4% across the board moves break-even materially
Shift the sales mix toward high-margin items through menu design and staff recommendations
Tighten portion control and waste, which lifts contribution without touching a single price
Schedule hourly labor to demand so variable labor genuinely flexes rather than behaving like a fixed cost

A single point of improvement in contribution margin has a surprisingly large effect. In the example above, moving from 38% to 40% drops break-even from $73,684 to $70,000 — nearly $3,700 of sales pressure removed every month without adding a guest.

What break-even analysis cannot tell you

It is a snapshot built on assumptions, and it is worth being clear about the limits:

It assumes your variable cost ratio stays constant as volume changes, which is only approximately true
It ignores seasonality — most restaurants are comfortably above break-even in strong months and below it in weak ones, and the annual picture is what matters
It works on accounting profit, not cash flow. You can be above break-even and still short of cash if loan principal or tax payments fall due
It says nothing about whether the resulting profit is an acceptable return for the capital and risk involved

Use it as a floor and a planning tool, not as a target. A business that merely breaks even is not a viable business — set your actual goal meaningfully above the line.

Frequently asked questions

How often should I recalculate break-even?

Quarterly under normal conditions, and immediately after any significant change — a rent review, a menu re-price, a change in salaried headcount, or a shift in your food or labor cost percentage.

Should owner's salary be included in fixed costs?

Yes, if the owner works in the business. Excluding it produces a break-even point that only looks achievable because you are working for free. Include a market-rate salary for the role you actually perform.

How do delivery platform commissions affect break-even?

Commissions of 20–30% are variable costs and they materially reduce your contribution margin on those orders. If delivery is a significant share of revenue, calculate a separate contribution margin for it — many operators discover delivery is running below break-even and cross-subsidised by dine-in.

What is the difference between break-even point and payback period?

Break-even point is the monthly sales level that covers operating costs. Payback period is how long it takes cumulative profit to repay the initial investment in fitting out and opening the restaurant. A site can be operationally above break-even for years while still not having repaid its build cost.

My break-even seems impossibly high. What now?

That is the analysis doing its job. Either fixed costs are too high for the revenue the site can realistically generate, or your contribution margin is too thin. Compare your required cover count against your physical capacity and realistic table turns — if break-even needs more covers than the room can physically seat, the problem is structural and no amount of operational tightening will solve it.