..Estimate The Monthly Payment  (of principal + interest).. by entering loan amount (principal), interest rate, term ( NOTE: click here to see one sample of current interest rates )

*  try them both, and then pick your favorite *  the result from each may vary slightly, due to rounding differences *  to look-up interest rates, click above, or go to the interest rates page    The following calculator was on the Interest Rates page too, and gives you graphs and tables in addition to raw numbers.  It's a little different to use than the other calculator, but after studying it for a minute it should make sense. Monthly Payment Calculator, -- plus   The next calculator is from Bloomberg online Bloomberg Mortgage Calculator