Unit price calculator: compare pack prices
Compare the price per 100 units for two packs. Enter prices and quantities in matching units to see which pack costs less for the same quantity.
Enter your figures
Pack B is cheaper per 100 units
Inputs changed. Select Calculate result to update your estimate.
Enter both quantities in the same unit, such as grams, millilitres or items. Results show price per 100 of that unit.
How the unit price calculator: compare pack prices works
Unit price = price ÷ quantity × 100. Compare like for like.
Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.
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Worked example: unit price comparison
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Pack A price (£)
- 2.5
- Pack A quantity
- 500
- Pack B price (£)
- 3.5
- Pack B quantity
- 750
Pack B is cheaper per 100 units: £0.47
Unit price = price ÷ quantity × 100. Compare like for like.
Unit price comparison: questions answered
Can I compare grams with kilograms directly?
Convert both quantities to the same unit first. For example, enter 500 grams and 1,000 grams rather than 500 grams and 1 kilogram. The tool does not infer or convert measurement units.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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