Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers. Potential Income from an IRA Estimate your monthly and annual income from various IRA types. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.