GDP Calculator — Gross Domestic Product (Expenditure Approach)
Compute Gross Domestic Product from its expenditure components — household consumption (C), business investment (I), government spending (G), and net exports (X − M) — and see each component's share of total output.
GDP = C + I + G + (X − M) (expenditure approach)
GDP
21 000Consumption
65.7%
Investment
16.4%
Government
17.8%
- 1
Net exports (X − M)
2 500 − 2 800 = -300 - 2
GDP = C + I + G + NX
14 000 + 3 500 + 3 800 + (-300) = 21 000The expenditure approach identity: all spending on final goods and services produced domestically.
Jak tato kalkulačka funguje?
GDP (expenditure approach) = C + I + G + (X − M): household consumption, plus business investment, plus government spending, plus net exports (negative when imports exceed exports). Enter the components in any consistent currency unit to get the total and each component's percentage share.
Vzorec
How this is calculated
The expenditure approach to GDP sums all final spending on goods and services produced within a country in a given period. The four components are: Consumption (C) — private household spending on goods and services; Investment (I) — business purchases of machinery, buildings, and inventories, plus residential construction (note: this is gross capital formation, not financial investment); Government spending (G) — government consumption and investment expenditure excluding transfer payments such as pensions, subsidies, and social benefits; and Net Exports (X − M) — the difference between exports and imports. When imports exceed exports, net exports are negative and reduce GDP.
You can enter figures in any consistent unit — billions, millions, or actual currency amounts — as long as all five fields use the same unit. The formula GDP = C + I + G + NX is an accounting identity: by construction it holds exactly, so the result reflects the inputs you enter, not an estimate.
This calculator applies only the expenditure approach. The income approach (wages + profits + rents + taxes − subsidies) and the production approach (value added across industries) yield the same GDP but use different data inputs. Real-world national accounts apply numerous adjustments (FISIM, owner-occupied rents, statistical discrepancy) not captured here.
Často kladené otázky
Transfer payments like pensions, unemployment benefits, and subsidies redistribute existing income but do not themselves represent production of new goods or services. Including them would double-count spending already captured in consumption (C) when recipients spend the transfers.
GDP itself cannot be negative under normal accounting, but net exports (X − M) can be negative when a country imports more than it exports, which reduces the GDP sum. A large trade deficit shrinks the GDP contribution of the external sector.
Nominal GDP is measured at current prices; real GDP adjusts for inflation using a base-year price level or deflator. This calculator computes nominal GDP — to convert to real GDP, divide the nominal figure by the GDP deflator (expressed as a ratio, e.g. 1.15 for 15% inflation above the base year).
Také známé jako
TG we-Calculate Editorial Team. (2026). GDP Calculator — Gross Domestic Product (Expenditure Approach) [Online calculator]. TG we-Calculate. https://we-calculate.com/cs/calculator/gdp-calculator
TG we-Calculate Editorial Team. "GDP Calculator — Gross Domestic Product (Expenditure Approach)." TG we-Calculate. 2026. https://we-calculate.com/cs/calculator/gdp-calculator.
TG we-Calculate Editorial Team, "GDP Calculator — Gross Domestic Product (Expenditure Approach)," TG we-Calculate, 2026. [Online]. Available: https://we-calculate.com/cs/calculator/gdp-calculator
@misc{wecalculate_gdp_calculator, title = {GDP Calculator — Gross Domestic Product (Expenditure Approach)}, author = {{TG we-Calculate Editorial Team}}, howpublished = {\url{https://we-calculate.com/cs/calculator/gdp-calculator}}, year = {2026}, note = {TG we-Calculate} }
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