Unit Price Calculator
Work out price per unit to compare product sizes.
Enter values
$
—
—
Step by step
The formula
unit price = price ÷ quantity
Unit price strips away packaging tricks by reducing everything to cost per gram, millilitre or item. It is the only reliable way to compare a bulk pack against a small one, and it regularly shows that the "value" size is not the better value at all.
All calculations run locally in your browser and update instantly as you type.
Example calculations
Common questions this calculator answers — select one to load its values.
Related calculators
Frequently asked questions
How do I compare two products?+
Work out the price per unit for each — the lower unit price is the better value, even if the total price or size differs.
All calculations run locally in your browser. Nothing you type is sent to a server.