Consumer Price Index Calculator enables users to calculate a total change in the index for a desirable period. It also makes possible indexation of a particular amount of money according to inflation.

For calculation of amount of money from previous periods the calculator uses monthly chained official Consumer Price Indices.

**Filling in steps**

**1. Choose a time period**

In order to use the calculator for indexation purposes first you should indicate the start and end time periods. The start period (“from”) corresponds to the period to which the amount belongs, whereas the end period (“to”) corresponds to a period for which you would like to calculate the amount (the end period participates in calculation).

**2. Indicate the money amount**

In the corresponding cell enter an amount of money that you are interested to calculate for a chosen period.

**3. Interpretation of results**

After filling in corresponding cells you will obtain following information:

a. Total change in the index for a chosen period;

b. The amount of money as of the end of chosen period, taking into consideration inflation and change of currency units;

c. Graph expressing the dynamics of inflation rate compared to the chosen start period.