Unit Price Calculator
Compare prices and find the best deals - calculate price per unit, weight, or volume
Compare Unit Prices
Compare products by weight (per pound, per ounce, etc.)
Option A
Option B
Comparison Results
Smart Shopping Tips
Example Calculations
Orange Juice Comparison
Option A: 3L bottle for $3.99
Option B: 2L bottle for $3.00
Unit Prices: $1.33/L vs $1.50/L
Result: 3L bottle is better, saves $0.17/L
Egg Package Comparison
Option A: 12 eggs for $2.99
Option B: 18 eggs for $3.50
Unit Prices: $0.249/egg vs $0.194/egg
Result: 18-egg package is better, saves $0.055/egg
Unit Price Formula
Common Units
Weight
Pounds (lb), Ounces (oz), Kilograms (kg), Grams (g)
Volume
Liters (L), Fluid Ounces (fl oz), Gallons (gal), Milliliters (mL)
Count
Each, Pack, Dozen, Case
Smart Shopping Tips
Compare unit prices, not just total prices
Check expiration dates on bulk purchases
Consider storage space and usage frequency
Factor in quality differences between brands
Look for store unit price labels to save time
Understanding Unit Price Calculations
Why Unit Price Matters
Unit price helps you compare products fairly by showing the cost per unit of measurement. This is essential for making smart purchasing decisions and maximizing your savings.
When to Use Unit Price
- •Comparing different package sizes
- •Evaluating bulk vs. individual purchases
- •Shopping different brands or stores
- •Comparing products with different units
Calculation Types
Weight-based
Price ÷ Weight (lb, oz, kg, g)
Volume-based
Price ÷ Volume (L, fl oz, gal, mL)
Count-based
Price ÷ Number of Items
Multi-item
Price ÷ (Items × Unit Size)