Category

Macroeconomics Calculators

GDP, inflation, and economic indicators

9 calculators
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MPC

Calculate the marginal propensity to consume (MPC = ΔC / ΔYd), marginal propensity to save (MPS), money multiplier, and consumption…

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Cobb-Douglas

Calculate total production output using the Cobb-Douglas production function Y = A × L^β × K^α. Enter total factor productivity,…

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Buying Power

Calculate how the purchasing power of money changes over time using US CPI data (1913–2025). See what a historical dollar…

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Spending Multiplier

Calculate the spending (investment) multiplier using MPC or MPS. Discover how an initial injection of money multiplies into…

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Price Elasticity of Supply

Calculate the price elasticity of supply (PES) using the standard or midpoint method. Supports simple mode (% changes) and…

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Inflation

Calculate the inflation rate from any two CPI or price index values and see how your purchasing power changes. Supports 30…

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Real Interest Rate

Calculate the real interest rate using the Fisher equation. Enter the nominal interest rate and expected inflation to find…

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GDP Growth Rate

Calculate the GDP growth rate (economic growth rate) between two periods using the standard formula. Supports 15 world currencies…

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GDP per Capita

Calculate GDP per capita by dividing a country's total GDP by its population. Supports 30+ world currencies (USD, RUB, EUR,…

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