Shrinkflation Calculator

Hidden price change

Reveal the real unit-price increase when a package gets smaller or more expensive.

Old price

Old size

New price

New size

Real unit-price change+11.1%Package size change-10.0%New price at old size5.56

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Choose the food, dates, quantities, or conditions requested.

The tool calculates or organizes the result instantly in your browser.

Review the guidance and adjust inputs for your real situation.

Yes. It is free and does not require an account.

No. Use it as general planning guidance and follow local health advice. When in doubt, discard questionable food.

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