Interest calculating spreadsheet

Use this simple form to do quick monthly payment comparisons based on interest, principal and duration of the loan. Enter interest as a whole number or a decimal, the calculator will automatically convert whole numbers to decimal. 30 Years = 360 Payments.

# of Payments Interest Rate Principal = Monthly Payment
 
 
 

How Much House Can I Afford?

Fill in income and current monthly debt and this calculator will figure out the maximum monthly payment you can afford.