The consumer price index is a weighted average collection ... of inflation over as short a period as a single month. How to Calculate Inflation Using the CPI To calculate an estimated rate of ...

Use this inflation calculator to see how prices are changing: Inflation is the loss of purchasing power over time as prices rise. It is often expressed as a percentage and generally refers to a trend ...

The Price Kaleidoscope shows you the price trend and the weights of various product groups in the consumer price index. You can use this calculator to show the price development while weighting the ...