Ingredient Cost Calculator

Divide the total purchase price by the total weight in ounces. The formula: Cost per Ounce = Purchase Price ÷ Total Ounces.

For example, a 10 lb bag of flour costs $4.50. That's 160 oz, so the cost per ounce is $4.50 ÷ 160 = $0.028/oz. This calculator does the conversion automatically for every unit in the same measurement family.

Not in this calculator. Converting between weight and volume requires knowing the ingredient's density, which varies widely — 1 cup of flour weighs 120g but 1 cup of sugar weighs 200g. Honey, oil, and butter all have different densities too.

Use our recipe converter for density-aware conversions between weight and volume units.

Click "Add package to compare" and enter the second package's price, quantity, and unit. The calculator shows the cost per base unit for each package and highlights the better deal, including exactly how much you save.

For example, a 25 lb bag of flour at $8.50 ($0.34/lb) vs a 50 lb bag at $14.00 ($0.28/lb) — the larger bag saves you 17.6% per pound. But only buy the larger size if you'll use it before it loses quality.

The calculator supports three measurement families:

Weight: lb, oz, kg, g
Volume: gallon, quart, pint, cup, tablespoon, teaspoon, liter, milliliter
Count: each, dozen

It converts within the same family — weight to weight, volume to volume, count to count. For cross-family conversions (like pounds to cups), use our recipe converter.

The food cost calculator costs an entire recipe with multiple ingredients and calculates food cost percentage. This tool focuses on a single ingredient — breaking down a bulk purchase price into per-unit costs.

Use this tool first to find your per-unit costs, then plug those numbers into the food cost calculator to cost full recipes. Think of it as step one in the recipe costing workflow.

Per-unit cost is the foundation of recipe costing. If you don't know what an ounce of chicken or a tablespoon of olive oil costs, you can't accurately price your menu.

Even small errors compound fast. If you're off by $0.05 per oz on chicken and each plate uses 6 oz, that's $0.30 per plate. Across 200 covers a day, that's $60/day or $21,900/year — from a single ingredient miscalculation. Learn the full formula in our guide on the food cost percentage formula.

Always cost ingredients at edible portion, not as-purchased weight. A whole salmon at $12/lb yields about 60% usable meat after removing the head, bones, and skin — making your real cost $20/lb of usable product.

The formula: Edible Portion Cost = Purchase Price ÷ Yield %. Common yield percentages: whole chicken 65%, bone-in beef 75%, fresh shrimp (shell-on) 50%, leafy greens 70-80%. Factor this in before plugging costs into our recipe cost calculator.

Not always. Larger packages usually have a lower per-unit cost, but three factors can make bulk a bad deal:

1. Spoilage: If you can't use 50 lbs of lettuce before it wilts, the waste wipes out your savings.
2. Storage cost: Freezer and dry storage space have real costs — rent per square foot adds up.
3. Cash flow: Tying up $500 in one ingredient means less cash for other purchases.

Use this calculator to find the per-unit savings, then weigh those savings against spoilage risk and storage capacity. For high-volume, shelf-stable items (flour, sugar, oil), bulk almost always wins.