Discount
Enter the original price and discount percentage to see the final sale price and exact savings.
Open calculatorUnit price comparison
Divides each pack’s price by its quantity. Use the same unit of measurement for both packs (e.g. both in grams or both in millilitres).
Shelf price for Pack A.
Weight, volume or count in Pack A (e.g. 400 g).
Shelf price for Pack B.
Weight, volume or count in Pack B using the same unit (e.g. 750 g).
Better value
Pack B
Pack A per unit
0.026
Pack B per unit
0.02
Cheaper per unit by
24.942%
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Larger “value” packs are not always cheaper per 100 g or per litre — checking the unit price avoids supermarket pricing traps.
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Educational estimate only. Not medical, tax, legal or financial advice.