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Nominal/Real Rates Calculator

Nominal Rate =
Inflation Rate =
Real Rate =

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Calculates a real or nominal rate of interest given inflation.
The real interest rate is the nominal rate of interest minus inflation. In the case of a loan, it is this real interest that the lender receives as income. If the lender is receiving 8 percent from a loan and inflation is 8 percent, then the real rate of interest is zero because nominal interest and inflation are equal. A lender would have no net benefit from such a loan because inflation fully diminishes the value of the loan's profit.
The relationship between real and nominal interest rates can be described in the equation:
where r is the real interest rate, i is the inflation rate, and n is the nominal interest rate.
A common approximation for the real interest rate is:
real interest rate = nominal interest rate - expected inflation
In this analysis, the nominal rate is the stated rate, and the real interest rate is the interest after the expected losses due to inflation. Since the future inflation rate can only be estimated, the ex ante and ex post (before and after the fact) real interest rates may be different; the premium paid to actual inflation may be higher or lower. In contrast, the nominal interest rate is known in advance.

Rows

- Nominal Rate: rate of interest before adjustment for inflation
- Inflation: a rise in the general level of prices of goods and services in an economy over a period of time
- Real Rate: nominal rate of interest minus inflation
Contributed by Mario Brunet

Examples

If the nominal rate is 15% per year and inflation is 3.5%, what's the real rate of return?
- Nominal Rate: 15%
- Inflation: 3.5%
The real rate of return is 11.11%.

Keywords

Nominal Rate
Inflation Rate
Real Rate
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