Go to the following websites:

• BLS Inflation Calculator--U.S. Bureau of Labor Statistics Inflation Calculator Consumer Price Indexes 
• CPI Calculator--Federal Reserve Bank of Minneapolis (see box on right side of main page).
• Convert-me.com--weights; distance; etc.
• Cost of Living Calculator--CNN Money.
• Economic History Services
• Hugh Mortgage and Financial Calculators
• Inflation Calculator--Adjusts money for inflation - 1800-1999.
• Martindale's Calculators Online Center--comprehensive site.
• Mortgage Qualifier
• Percent Change Calculator
• unit conversion.org
• Vassar Stats-- website for statistical computation.