Unit Price Comparison
Which pack size is really cheaper per unit.
How to use the Unit Price Comparison
- Enter your figures in the fields above — results update instantly as you type.
- Choose your currency symbol (the maths is the same in any currency).
- Use Share result to save a link that reloads your exact inputs, or Print for your records.
- Compare scenarios by changing one input at a time and noting how the main result moves.
Formula
Unit price = Price ÷ QuantityWorked example
4.99 for 500 g is 0.00998 per gram; 8.49 for 1,000 g is 0.00849 — the larger pack is about 14.9% cheaper per gram.
Frequently asked questions
Same units?
Make sure both quantities use the same unit before comparing.
Waste?
A cheaper unit price only helps if you use it all before it expires.
Learn more
Assumptions & limits
Results are estimates based on the inputs you provide and the formula shown, rounded for display. They do not account for every fee, tax rule or market condition. This tool is educational and is not financial, tax or legal advice — confirm important decisions with a qualified professional.
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