Prime Cost
If there’s one number that can make or break your restaurant’s success, it’s this: prime cost. It’s the ultimate financial truth-teller, revealing whether you’re running a lean, profitable operation—or one heading straight for trouble.
And unlike rent or utilities, this is one number you can control.
What Is Prime Cost?
Prime cost is the total of your two biggest, most controllable expenses:
Labor Costs: Wages, benefits, payroll taxes, and training
COGS (Cost of Goods Sold): All food, beverages, ingredients, and consumables
It’s expressed as a percentage of your total revenue:
Prime Cost = (Labor + COGS) ÷ Total Revenue × 100
If your monthly revenue is ₹10,00,000 and your labor + COGS totals ₹6,00,000, your prime cost is 60%.
What’s a Healthy Prime Cost?
Here’s the benchmark range:

Anything higher? 🚩 You’re either overstaffed, overbuying, or underpricing.
Why Prime Cost Is So Important
Most restaurant owners obsess over total sales. But sales don’t equal profit.
Prime cost tells you:
How efficiently you operate
How well you manage your team and your inventory
Whether your revenue is turning into real, usable profit
Even a 2% drop in prime cost can mean lakhs saved annually.
What Goes Into Prime Cost?
Labor Costs (25–35% of Revenue)
Includes:
Staff wages (front & back of house)
Overtime pay
Payroll taxes & benefits
Hiring & training costs
COGS (28–35% of Revenue)
Includes:
Food and beverage ingredients
Spices, condiments, disposables
Anything that ends up on the plate or in the glass
How to Calculate Prime Cost Accurately

Use your POS system and accounting software
Track labor hours and wages daily
Update inventory and recipe costs regularly
Monitor it weekly, not just monthly
Smart operators check it during promotions, holidays, and menu changes too.
How to Reduce Prime Cost (Without Cutting Corners)
1. Use Menu Engineering
Highlight high-margin dishes
Rework or remove low-profit items
Standardize portions to reduce waste
2. Optimize Labor Scheduling
Schedule based on sales forecasts
Cross-train staff to fill multiple roles
Avoid overstaffing during slow shifts
3. Manage Inventory Like a Pro
Don’t over-order perishables
Monitor waste closely
Use FIFO (First In, First Out) method
4. Leverage Technology
POS systems with built-in cost tracking
Inventory tools that flag high-variance items
Labor management software to optimize shifts
The Prime Cost Balancing Act
Don’t slash labor so much that service suffers. And don’t skimp on ingredients that lower food quality.
Smart restaurant owners optimize both sides together — because they’re deeply connected.
Example: Buying pre-cut veggies may raise COGS but reduce prep labor. What’s more efficient overall?
Treat Prime Cost as a Daily Habit, Not a Monthly Report
Prime cost isn’t just a number you glance at in your P&L statement. It’s a daily management tool.
Make small adjustments often
Review your numbers weekly
Celebrate improvements with your team
Because when you manage your prime cost, you don’t just run a restaurant—you build a sustainable business.



