Unit Price Comparison Calculator
Compares two sizes or brands on price per unit.
Result
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Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Item A per unit —
Item B per unit —
Saving on the cheaper one — %
The formula
unit price = price ÷ quantity
Use the same unit for both, such as grams or millilitres.
What to watch out for
The bigger pack only saves money if you use it before it goes off.
Frequently Asked Questions
How do I compare prices per unit?
Divide each price by its quantity, in the same unit. 3.50 for 500 g is 0.0070 per gram; 6 for 1,000 g is 0.0060.