Prime Cost Calculator
Calculate your restaurant's prime cost — the sum of food costs and labor costs. The single most important profitability metric. Target: 55-65% of total revenue.
Breakdown auto-fills Total Labor Cost above when values change.
How Prime Cost Calculator Works
Calculate your restaurant prime cost percentage with food and labor breakdowns. Target 55-65% for profitability. Enter your values into the form above and the calculator processes them instantly in your browser — no data is sent to any server.
What Is Prime Cost in a Restaurant?
Prime cost is the single most important profitability metric in the restaurant industry. It represents the sum of your two largest controllable expenses: cost of goods sold (food and beverage costs) and total labor costs (wages, benefits, and payroll taxes). The formula is straightforward: Prime Cost equals COGS plus Total Labor. Expressed as a percentage of total revenue, prime cost tells you exactly how much of every dollar earned goes toward these two categories. Restaurant operators who track prime cost weekly can catch profitability problems before they spiral out of control, making it the number one metric every owner and manager should monitor.
Ideal Prime Cost Percentage by Restaurant Type
The target prime cost percentage varies by restaurant concept. Fine dining establishments typically run between 60 and 65 percent because of premium ingredients and higher labor for service quality. Casual dining restaurants target 55 to 60 percent. Fast casual concepts, with lower service requirements, aim for 50 to 58 percent. Quick service restaurants achieve 45 to 55 percent through streamlined operations and lower ingredient costs. Regardless of concept, a prime cost above 65 percent signals a serious profitability problem. If your restaurant consistently exceeds this threshold, either food costs, labor costs, or both need immediate attention. The goal is to leave 35 to 45 percent of revenue for rent, utilities, marketing, equipment, and profit.
How to Lower Your Prime Cost
Reducing prime cost requires attacking both components strategically. On the food side, negotiate supplier contracts, implement portion control with standardized recipes, cross-utilize ingredients across menu items to reduce waste, and use first-in-first-out inventory rotation. Menu engineering helps you promote high-margin dishes while phasing out underperformers. On the labor side, optimize scheduling based on actual sales volume rather than guesswork. Cross-train employees so fewer staff can cover multiple positions. Track labor cost as a percentage of revenue each week, not just total hours. Consider your management salary structure and whether benefits packages are competitive but sustainable. Even a one percent reduction in prime cost on a million-dollar annual revenue restaurant saves ten thousand dollars per year, going directly to your bottom line.
Weekly vs Monthly Prime Cost Tracking
Industry best practice is to calculate prime cost weekly rather than waiting for monthly financial statements. Weekly tracking lets you spot cost spikes within days instead of discovering a problem four weeks later. Use this calculator with your weekly revenue, food invoices, and payroll data to stay on top of your numbers. Compare each week against your trailing four-week average to identify trends. A sudden two percent jump in food cost might indicate supplier price increases, theft, or waste issues that need immediate investigation. Consistent weekly tracking is the habit that separates profitable restaurants from those that struggle.
Frequently Asked Questions
What is prime cost in a restaurant?
Prime cost is the sum of your food and beverage costs (COGS) plus total labor costs including wages, benefits, and payroll taxes. It is the largest controllable expense and the primary measure of restaurant profitability.
What is a good prime cost percentage?
A healthy prime cost ranges from 55 to 65 percent of total revenue. Casual dining targets 55 to 60 percent, fine dining accepts 60 to 65 percent, and fast casual aims for 50 to 58 percent. Anything above 65 percent indicates a profitability problem.
How do I calculate prime cost percentage?
Add your total food and beverage costs to your total labor costs, then divide by total revenue and multiply by 100. For example, $8,000 COGS plus $7,000 labor divided by $25,000 revenue equals 60 percent prime cost.
How often should I calculate prime cost?
Calculate prime cost weekly for best results. Weekly tracking lets you catch cost spikes within days rather than discovering problems at month-end. Compare each week against your four-week trailing average.
What should I include in labor costs?
Include all labor-related expenses: hourly wages, salaried wages, employee benefits such as health insurance, and payroll taxes. Some operators also include worker compensation insurance and any labor-related fees.
How can I reduce my prime cost quickly?
Focus on the biggest variances first. For food costs, check for waste, theft, and supplier price increases. For labor, optimize scheduling to match actual sales volume, cross-train staff, and reduce overtime. Even a one percent reduction significantly impacts annual profit.
What is the difference between prime cost and food cost?
Food cost measures only the cost of ingredients and beverages as a percentage of revenue. Prime cost includes food cost PLUS all labor costs. Prime cost gives a more complete picture of controllable expenses and profitability.