What units should I use?

Use the same unit for both products (grams, ml, count, etc.). If one is in kg and the other in g, convert to the same unit first.

Do stores display unit prices?

Most supermarkets are required to display unit prices on shelf labels in the EU, UK, and Australia. In the US it varies by state and retailer.

Is the bigger pack always better value?

Not always — stores sometimes price smaller packs more cheaply per unit during promotions. It is always worth checking the unit price rather than assuming bigger = better.

Unit Price Calculator — Compare Value for Money

The Unit Price Calculator helps you find the best value when comparing two products of different sizes or quantities. Supermarkets don't always make it easy to compare — a 500g pack at $3.49 vs a 750g pack at $4.99. This calculator does the maths for you instantly, showing which product gives you more for your money.

Product 1 — Price($)

Product 1 — Quantity(units)

Product 2 — Price($)

Product 2 — Quantity(units)

How to Use This Calculator

1
Enter the price and quantity of Product 1.
2
Enter the price and quantity of Product 2.
3
Click Calculate to see the unit price of Product 1.
4
Divide Product 2 price by its quantity to compare — the lower unit price wins.

Frequently Asked Questions

Unit price = Total Price ÷ Quantity. It lets you compare products of different sizes on a like-for-like basis. The product with the lower unit price gives better value.

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