How to Use the Food Unit Price Comparison Calculator
Enter the product name, weight in grams, and price in dollars for up to three items. The calculator automatically computes the price per 100g and highlights the best value option. This is useful when comparing store brands versus name brands, or different package sizes of the same product.
Price per unit is a more reliable comparison metric than total price, especially when sizes differ. A 500g package at $4.99 costs $1.00/100g, while a 1kg package at $7.99 costs $0.80/100g — 20% cheaper per unit despite costing more in total.
Consider shelf life and your consumption rate. A bulk package may have a lower unit price but cause food waste if you cannot finish it in time.
Frequently Asked Questions
Enter the total weight of the multi-pack (individual weight × count) as the weight, and the full package price as the price. The calculator will correctly compute the unit price for the whole pack.
Yes — enter the final price after coupons or discounts. If you have store loyalty points or cashback, subtract their value from the price for the most accurate comparison.