Inflation Calculator
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Contact UsInflation, a fundamental economic concept dating back to ancient civilizations, represents the gradual increase in prices and consequent decrease in purchasing power over time. Our modern understanding of inflation emerged in the early 20th century, shaped by events like the Great Depression and post-war economic transformations.
FV = PV × (1 + r)^t
PPL = FV - PV
CI = (FV/PV - 1) × 100
Inflation is the rate at which the general level of prices for goods and services rises, causing purchasing power to fall. When inflation is 3% per year, something that costs $100 today would cost $103 next year. Over time, inflation compounds, so $100 from 20 years ago might only have the purchasing power of $50-$60 today.
Inflation is primarily measured using the Consumer Price Index (CPI), which tracks the average change in prices paid by consumers for a basket of goods and services. The Bureau of Labor Statistics (BLS) in the U.S. publishes CPI data monthly. Other measures include the Producer Price Index (PPI) and the Personal Consumption Expenditures (PCE) price index.
Nominal values are expressed in current dollars without adjusting for inflation, while real values are adjusted for inflation to reflect actual purchasing power. For example, if your salary increased from $50,000 to $52,000 (4% nominal increase) but inflation was 3%, your real salary increase was only about 1%.
Inflation can be caused by demand-pull factors (too much money chasing too few goods), cost-push factors (rising production costs passed to consumers), or monetary expansion (central banks increasing the money supply). Built-in inflation occurs when workers expect higher prices and demand higher wages, creating a wage-price spiral.
Inflation erodes the real value of savings held in cash or low-interest accounts. If your savings account earns 1% interest but inflation is 3%, you're losing 2% in purchasing power annually. Investments in stocks, real estate, and inflation-protected securities (like TIPS) historically provide returns that outpace inflation over the long term.
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