Financial Calculators

Inflation - Cost of a dollar over time.
Mortgage - Calculate the monthly payment of a mortgage.
Car Loan - Car loan payment calculator.
Loan Amount - Loan amount based on monthly payment.
Simple Retirement Calculator - Retirement calculator with fixed inflation and investment returns.
Investment Interest Calculator - Calculate future value of savings.
Regular Saving - Calculate how much regular savings will add up.
Salary - Calculate between hourly and annual salary.
Retirement Simulations By Age: 30 35 40 45 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 80

Other

Bogleheads - Investing advice inspired by John Bogle
AmortizationTable.org - Printable Amortization Tables
Investing Fees - Calculate how much investment fees affect an investment
CPI - Consumer Price Index
Retirement Estimator - Estimate social security benefits