Calculators & Converters
Multi-purpose sites
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CalculatorPlusComprehensive source of free online financial calculators; also includes Savings, Retirement, and Business calculators (break even, cash flow, financial ratios, profit margin, etc.)
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Mortgage and Finance Calculators"Over 100 Personal Finance Calculators;" a long list of calculator sites for mortgages, home and auto loans/leases, CDs, debit, credit, college savings, taxes, and retirement. Emphasis on mortgages, but plenty for all the other topics as well.
CPI / Inflation
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Annual Consumer Price Index for the United States, 1774-2008CPI time series data.
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The Inflation CalculatorUse this calculator to adjust any given amount of money, according to the Consumer Price Index, from 1800 to 2022.
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CPI Inflation CalculatorFrom the Bureau of Labor Statistics includes conversions from 1980-current year.
Salaries / Cost of Living / Currency Converters
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Cost of Living Calculator(from American Institute for Economic Research): Also known as the COLA Calculator, it calculates the cost of living in the past and in the future based on research at the American Institute for Economic Research.
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Cost of Living ComparisonA calculator to compare cost of living between U.S. cities.
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Currency Converter (OANDA)Includes multiple currency converters as well as historical rates back to 1990.
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Dollar Times Financial CalculatorsIncludes some standard calculators such as mortgage and retirement but also some more unusual personal calculators, i.e., a coffee cost calculator.
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The Salary CalculatorUse this calculator to compare the cost of living in hundreds of U.S. and international cities. Includes several other tools for figuring relocation costs, etc.
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XE.comQuick and easy currency converter.