Is the bigger pack really cheaper?
Large packs often have a lower unit price, but not always. Normalize both packages to the same unit to reveal which one is better value before considering storage, expiry, or waste.
Enter your numbers
Bigger pack is better value
14.6% cheaper per unitSmall: $0.01 per unit · Bigger: $0.01 per unit.
A clearer way to compare.
Unit price = package price ÷ package quantity. Percentage saving compares the lower unit price with the higher one.
A 500 g pack for $6.40 costs $0.0128 per gram. A 750 g pack for $8.20 costs about $0.0109 per gram, making the larger pack roughly 14.6% cheaper per gram.
Bulk Buy Comparison FAQ
How accurate is this calculator?
The arithmetic is exact for the values you enter. The practical result depends on whether those prices, quantities, and assumptions match your purchase.
Are taxes included?
Use tax-inclusive prices when tax differs between your options. Otherwise, the comparison remains useful before tax.
Can I use euros, pounds, or another currency?
Yes. Keep every money input in the same currency. The comparison and percentages remain valid even when the displayed symbol differs.
Is any information stored?
No. The calculation runs entirely in your browser and is not sent to a database.
Know what the result means.
Ship or Spend shows the formula, assumptions, and complete comparison rather than hiding the answer behind a score. Read our calculation methodology for limitations and testing details.