Mortgage Calculator   |   Payment Calculator   |   Refinance Calculator   |   Compound Interest Calculator Mortgage Calculator This payment calculator will help you calculate your monthly payment and the impact of making extra payments. Loan Amount: Loan term: years Interest Rate: % per year Loan Start Date:     Monthly Payment: Calculate the impact of making extra payments: Adding $  to your monthly payment Adding $  as an extra yearly payment every Adding $  as a one time payment in     Changes paid-off date to Close this Window