What this calculator does
Find out how much of a dish's price pays for its ingredients, and price new dishes with confidence. That share is called the food cost percentage. For example, a $14 plate whose ingredients cost $3.50 has a food cost of 25%.
Restaurants, cafés, food trucks and caterers watch this number closely. It shows at a glance whether a dish leaves enough money for labor, rent and profit.
This calculator works three ways. It can find the percentage from the recipe cost, the number of portions and the menu price. It can find the menu price that hits a target percentage. Or it can tell you the most you can spend on ingredients per plate, for a given price and target. The math is short, but having all three in one place makes it easy to test a new dish or a price change.
Where it's used
Why this math matters outside the classroom:
- Café menu. A café owner prices a sandwich that costs $2.70 to make at a 30% target: 2.70 ÷ 0.30 = $9.00.
- Percent practice. Students find what percent $4.50 is of $18 by dividing 4.50 by 18, which is 0.25, or 25%.
- Food truck budget. A food truck selling $12 tacos at a 28% target can spend up to 12 × 0.28 = $3.36 per order on ingredients.
- Catering quotes. A caterer divides a $360 ingredient bill by 80 guests to get a $4.50 plate cost before setting a per-head price.
- Culinary school. Culinary students cost out a recipe for 24 portions and check that it stays under a 32% food cost at its menu price.
Grade level and standards: Grades 6–7; Common Core State Standards for Mathematics 7.RP.A.3, 6.RP.A.3.c. © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
How to use it
- Choose what to find: the food cost percentage, a menu price, or the most you can spend per plate.
- Enter the ingredient cost of the whole recipe and the number of portions it makes. Or enter the cost of one plate and set portions to 1.
- Enter the menu price, the target food cost percentage, or both, depending on what you're finding.
- Read the result, along with the gross profit per plate (the price minus the ingredient cost).
What the inputs mean
- Ingredient cost of the recipe
- Price every ingredient at what you actually pay, including garnishes, sauces, sides and cooking oil. Use the cost of the part you can actually use. If a vegetable loses a fifth to trimming, the usable part costs more per pound than you paid.
- Portions the recipe makes
- How many plates the batch really serves at your usual portion size, after any waste in cooking and serving.
- Menu price
- The price the customer pays, before sales tax.
- Target food cost
- There's no single right number. Many full-service restaurants aim for about 28–35% overall, with some dishes higher and others lower.
Formula and method
plate cost = recipe ingredient cost ÷ portions food cost % = plate cost ÷ menu price × 100 menu price = plate cost ÷ (target % ÷ 100) maximum plate cost = menu price × target % ÷ 100 gross profit per plate = menu price − plate cost
Plate cost is what the ingredients for one serving cost you. Food cost percentage compares that with what the plate sells for. The three modes are the same idea, solved for a different missing piece: the percentage, the price, or the cost. Gross profit is the money left from each plate after ingredients.
To find the price, divide the plate cost by the target written as a decimal (30% is 0.30). A 30% target is the same as multiplying the plate cost by 100 ÷ 30, about 3.33. That's why people sometimes call a target percentage a price multiplier.
Worked example
A pasta recipe costs $42 in ingredients and makes 12 portions. It sells for $14, and the owner wants to know its food cost and what a 30% target would mean.
- Plate cost: $42 ÷ 12 = $3.50.
- Food cost: $3.50 ÷ $14 × 100 = 25%. Gross profit is $14 − $3.50 = $10.50 per plate.
- Price for a 30% target: $3.50 ÷ 0.30 = $11.67.
- Most to spend per plate at $14 and 30%: $14 × 0.30 = $4.20.
Result: The dish runs at a 25% food cost. At 30%, it could sell for $11.67, or use up to $4.20 of ingredients at the current price.
Understanding the result
A lower food cost percentage leaves more of each sale for everything else. But it isn't the whole story. A steak at 40% can earn more dollars per plate than a salad at 20%. So look at gross profit per plate alongside the percentage.
Recheck plate costs whenever supplier prices change. A dish that was 28% last season can creep above 35% without any change to the menu.
Assumptions and limitations
- Ingredient costs are current and include everything on the plate.
- Every portion is the same size and sells at the menu price.
- Prices don't include sales tax. The calculator doesn't round results to menu-friendly prices.
- It covers ingredient cost only. Labor, packaging, rent, utilities and card fees need their own budgets.
- Waste, spoilage, staff meals and comps (free items given to guests) push the real food cost above the recipe number.
- Target percentages are business choices that vary by type of restaurant and by market. This is math, not pricing advice.
Frequently asked questions
How do you calculate food cost percentage?
Divide the ingredient cost of one plate by its menu price, then multiply by 100. A $4 plate on a $16 menu price has a food cost of 4 ÷ 16 × 100 = 25%.
What is a good food cost percentage?
Many restaurants aim for roughly 25–35% across the menu. Pricier proteins often run above that, and drinks, pasta or desserts below it. So the menu balances out.
How do I price a dish from its food cost?
Divide the plate cost by your target percentage written as a decimal. For a $3 plate and a 30% target, the price is 3 ÷ 0.30 = $10.
Is food cost percentage the same as markup?
No. Food cost compares cost with price. Markup compares profit with cost. A 25% food cost is the same as a 300% markup, because the $12 profit on a $4 plate is three times its cost.
How this calculator is checked
Method: Standard food cost percentage (plate cost ÷ menu price × 100) solved for percentage, price or cost; plate cost as recipe cost ÷ portions. The calculation is covered by automated tests with known reference values and edge cases. Last updated 2026-10-18. Found a problem? Tell us.
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