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CPI Calculator

Compares prices between two years using CPI index values.

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Résultat

Comment ça marche

1Saisissez vos chiffres
2On applique la formule
3Voyez le résultat

Comment l'utiliser

  • Enter CPI at start.
  • Enter CPI at end.

La formule

Change = (CPI end − CPI start) ÷ CPI start.

Exemple concret

It expresses how much a basket's price changed.

Questions fréquentes

What is CPI?

A price index for a basket of goods.

Where to find it?

National statistics agencies publish it.

Conseils

  • Compare money across years in real terms.
  • Hold assets that grow at or above inflation.
  • Cash quietly loses value when prices rise.

Termes clés

CPI
A price index for a basket of goods.
Real return
Return after inflation.
Purchasing power
What a sum can actually buy.