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Price Per Unit Calculator

Compare unit prices for the best value

Product 1

Price ($)
Quantity

Product 2

Price ($)
Quantity
Unit Label

Unit Price Formula

Price per Unit = Total Price / Quantity
Savings = Higher Unit Price - Lower Unit Price
% Savings = (Savings / Higher Price) × 100

Compare unit prices to find the best value when shopping.

⚠ Always compare unit prices - bigger packages aren't always better deals!

Common Units

Weight

Ounces (oz), pounds (lb), grams (g), kilograms (kg)

Volume

Fluid ounces (fl oz), cups, liters (L), gallons

Count

Number of items, sheets, rolls, pieces

Area

Square feet, square meters, linear feet

Teaching Example: Product A: $5.99 for 16oz = $0.374/oz. Product B: $8.49 for 24oz = $0.354/oz. Product B is cheaper by $0.02 per ounce!

Applications

Grocery Shopping Warehouse Clubs Online Retail Wholesale Purchasing Budget Planning

Frequently Asked Questions

How to calculate price per unit?▼
Price per unit = Total Price / Quantity. For $5 for 10 oz: $5 / 10 = $0.50 per ounce.
Why compare unit prices?▼
Larger packages aren't always cheaper. Unit price comparison ensures you get the best value.
What units can I use?▼
Any unit: ounces, pounds, liters, grams, items. Just use the same unit for comparison.
How to compare different units?▼
Convert to common unit first. 1 pound = 16 ounces, 1 liter = 33.8 fluid ounces.

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