GDP Calculator

Calculate Gross Domestic Product using the Expenditure or Income approach, compute real GDP growth, and explore per-capita comparisons.

Approach

GDP = C + I + G + (X − M)   (values in billions $)

GDP
$22,500.00B
Per Capita: $66,964,285,714 / person

GDP Breakdown

ComponentValue ($B)% of GDP
Consumption (C)14,000.0062.2%
Investment (I)4,000.0017.8%
Gov. Spending (G)5,000.0022.2%
Net Exports (X−M)-500.00-2.2%
GDP Total22,500.00100%

GDP by Country (2024, $B)

CountryGDP ($B)Pop (M)Per Capita
United States$27.360T336$81,429
China$17.790T1410$12,617
Germany$4.460T84$53,095
Japan$4.210T124$33,952
India$3.740T1440$2,597
United Kingdom$3.090T68$45,441
France$2.920T68$42,941
Brazil$2.130T216$9,861
Canada$2.140T40$53,500
Italy$2.170T59$36,780
Australia$1.720T26$66,154
South Korea$1.710T52$32,885

Calculate Gross Domestic Product (GDP) using the expenditure approach with our free calculator, useful for economics students and anyone studying macroeconomic indicators.

How It Works

GDP = C + I + G + (X − M), where C is consumer spending, I is business investment, G is government spending, X is exports, and M is imports. This is known as the expenditure approach, one of several methods to calculate GDP.

How to Use This Calculator

  1. 1) Enter consumer spending (C)
  2. 2) Enter business investment (I)
  3. 3) Enter government spending (G)
  4. 4) Enter exports and imports (X and M)
  5. 5) Click Calculate to see total GDP

Frequently Asked Questions

What's the difference between nominal and real GDP?

Nominal GDP is measured in current prices; real GDP adjusts for inflation, allowing more accurate comparisons across different time periods.

Is this the only way to calculate GDP?

No, GDP can also be calculated via the income approach (summing all income earned) or production approach (summing value added at each production stage); all three should theoretically yield the same result.

What does a negative (X − M) mean?

It means a country imports more than it exports (a trade deficit), which reduces GDP calculated via the expenditure method, all else being equal.

Why is GDP an imperfect measure of wellbeing?

GDP measures economic output but doesn't account for income distribution, unpaid work, environmental costs, or quality of life factors.