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 | Related Content Forecast The market is as unpredictable as the weather. We’d love to help you prepare. What Does That Mean? IDK Financial acronyms you should know. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain.