Macroeconomics

Real GDP Calculator

Divide nominal GDP by the GDP deflator and scale by 100 to strip out price changes and find real GDP.

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Nominal GDP & deflator

$

Enter nominal GDP and the deflator to see real GDP.

Worked example

With these example inputs:

  • Nominal GDP$22,000
  • GDP deflator110

Real GDP: $20,000

  • Amount taken off$2,000
  • As a percentage10.0%
  • If the first figure were 10% higher$22,000

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Frequently asked questions

How is real GDP calculated?

Divide nominal GDP by the GDP deflator and multiply by 100. Nominal GDP of 22,000 with a deflator of 110 gives real GDP of 20,000.

Why use real instead of nominal GDP?

Real GDP removes the effect of rising prices, so growth reflects more goods and services produced rather than just higher price tags.