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Unit Price Calculator

Compare pack value by cost per 100 units.

Use the same unit for pack size and comparison size.

Notes and next steps

Jump to notes Read full guide Open workflow Browse Food
How it works

Compare product price per common unit.

Comparison method: Unit price = price ÷ pack size × comparison size.

Worked example

£3.60 for 900 g is £0.40 per 100 g.

Common mistakes
  • Comparing different quality products.
  • Ignoring waste or shelf life.
  • Using the wrong comparison unit.
Related tools

Next useful tools for this task.

FoodPortion Cost CalculatorEstimate cost per portion from ingredient cost and number of portions. FoodRecipe ScalerScale ingredient quantities up or down from original servings to target servings.
Open Project Sheet Builder
FAQ

Can I compare different pack sizes?

Yes. Enter each pack using the same comparison amount, such as per 100 g, per litre or per item.

Should I include multibuy discounts?

Use the price you will actually pay and compare the same quantity basis.