Unit Price Calculator
Which size is the better deal?
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About this calculator
Bigger packs are not always cheaper per unit. Enter the price and quantity of two options and the calculator shows the price per unit and which one wins.
The formula
Unit price = price ÷ quantity
Worked exampleA: 3.50 for 500 g (0.70 per 100 g). B: 6.00 for 1,000 g (0.60 per 100 g). B is cheaper.
Frequently asked questions
Do both items need the same unit?
Yes. Convert, for example, kilograms to grams before comparing.
Is cheaper always better?
Not if you will not use it all before it expires.
Can I compare three items?
Run two at a time and compare winners.
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