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`IR = ( "CPI"_2 - "CPI"_1 )/ "CPI"_1 `

Enter a value for all fields

The **Inflation Rate** calculator uses CPI in two consecutive years to calculates the inflation rate between a distinct year 2 and a distinct year 1.

**INSTRUCTIONS:** Enter the following:

- (
**CPI**) This is the CPI in year two._{2} - (
**CPI**) This is the CPI in year one._{1}

**Inflation Rate (IR):** The inflation rate is returned as a percentage.

The formula for Inflation Rate based on two years of CPI is:

IR = (CPI_{2} - CPI_{1})/CPI_{1}

where:

- IR = Inflation Rate
- CPI
_{2}= CPI in year 2 - CPI
_{1}= CPI in year 1

- Income Elasticity of Demand
- Cross-Price Elasticity of Demand
- Price Elasticity of Demand
- Price Elasticity of Supply
- Total Surplus
- Consumer Surplus
- Producer Surplus
- GDP Growth
- GDP Deflator
- GDP by Income
- GDP Expenditure
- Net Capital Outflow
- Net Exports and Net Capital Outflow
- Dollar Conversion from Different Times
- Unemployment Rate (Friedman and Phelps)
- National Saving
- Domestic Investment
- Unemployment Rate
- Inflation Rate in Year 2 (using CPI)
- Labor Force
- Labor-Force Participation Rate
- Net Exports
- Real Exchange Rate
- Currency Converter
- Midpoint Method for Price Elasticity of Demand
- Income Elasticity of Demand
- Simple Price Elasticity of Demand

- Mankiw, N. Gregory. "Chapter 11:The Consumer Price Index."
*Principles of Macroeconomics*. 6th ed. Mason, OH: Thomson/South-Western, 2004. 218-20. Print. "Inflation Rate in Year 2"