Restaurant prime cost is the sum of food cost, beverage cost, and total labor, expressed as a percent of sales. It is the clearest weekly health check for a restaurant because those three lines are both large and controllable. When prime cost drifts above your target, profit disappears faster than most owners expect.
Many full-service US restaurants aim near 55, 65% of sales, depending on concept, wage market, and menu mix. Quick-service concepts often run lower targets. Fine dining with heavy service may accept a different labor/food mix, but still needs a deliberate band.
The prime cost formula
- Prime cost ($) = food cost + beverage cost + total labor
- Prime cost % = prime cost ÷ sales × 100
- COGS % = (food + beverage) ÷ sales × 100
- Labor % = total labor ÷ sales × 100
Use the same period for every input (week is ideal). Define sales consistently, ideally net sales after comps and discounts. Plug numbers into a free restaurant prime cost calculator to see whether you are inside your target band.
Worked example
Period sales $100,000; food $28,000; beverage $6,000; labor $30,000; target 60%.
- COGS = $34,000 → 34%
- Labor = 30%
- Prime cost = $64,000 → 64%
- You are 4 points over target, about $4,000 of excess prime cost on that volume
Four points sounds small; on thin restaurant margins it can be the entire profit.
What belongs in “labor”
For a true prime cost, include wages, overtime, payroll taxes, and benefits for restaurant staff, including salaried managers. Some operators track a separate “controllable hourly labor” metric for scheduling, but do not kid yourself on the headline KPI by omitting managers or employer taxes.
If you want the fully loaded cost of one role for hiring decisions, use an employee cost calculator alongside prime cost %.
What usually does not belong in prime cost
- Rent, utilities, marketing, insurance (operating expenses, track separately)
- Delivery marketplace commissions (selling expense; do not let them distort food/labor control)
- Owner draws that are not payroll (keep entity and compensation clean)
How to manage prime cost week to week
- Theoretical vs actual food cost, investigate waste, theft, and portion creep when actual runs hot.
- Schedule to sales forecast, labor % explodes when you staff for last Saturday on a slow Tuesday.
- Menu engineering, push mix toward dishes that protect contribution margin.
- Beverage discipline, pour costs and comp drinks move prime cost quietly.
- One owner dashboard, prime cost %, covers, and cash, not twenty vanity charts.
QSR vs full service
Targets differ by concept. A counter-service brand with limited menu may live in the low-to-mid 50s. A high-touch dining room may run higher labor and still be healthy if check average and occupancy support it. Copying a national chain’s published percentage without matching concept is a common mistake.
Ready to check this week’s numbers? Enter sales, food, beverage, and labor in the Restaurant Prime Cost Calculator, and price new hires with the Employee Cost Calculator.
Disclaimer: Operational planning guide only, not accounting or financial advice. Targets vary by concept and market. Confirm classifications with your bookkeeper or restaurant accountant.
You can estimate figures with the related Multicalify calculator.
Related searches often include cogs plus labor restaurant, which map to the same decision factors covered above.
Frequently Asked Questions
What does what is restaurant prime cost mean in practice?
In plain terms, what is restaurant prime cost is the idea this guide explains: the measurable result or decision factors people need before they act. Focus on the definition, the inputs, and the time window. Details beyond that belong in the supporting sections above.
Which inputs change the result the most?
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Start with complete inputs, keep units consistent, and compute in a fixed order. For what is restaurant prime cost, write intermediate totals before the final figure, then confirm directionality with the related Multicalify calculator. If a required input is missing, mark the result as provisional.
How should I use the calculator with this guide?
Use the sections above as context, then enter your own numbers. Generic answers about what is restaurant prime cost improve quickly when real statements replace placeholders. Re-run the related Multicalify calculator whenever a major fee, rate, date, or measurement changes.
Is this personalized advice?
No. This article is educational. Rules, costs, and outcomes for what is restaurant prime cost vary by jurisdiction and by individual circumstances. Calculator results are estimates, not guarantees. Confirm details with a qualified professional or official primary sources when the decision is high stakes.
Conclusion
Keep the definition, the inputs, and the interpretation of what is restaurant prime cost separate. That structure prevents confident mistakes.
A practical habit is to re-run the related calculator whenever a major assumption changes.
Clear inputs, honest assumptions, and a second pass with conservative figures will serve you better than chasing a single perfect number for what is restaurant prime cost.