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? Address Thank you! Oops! Related Contents What to Do When You Lose Your Wallet Ever lost your wallet? Frustrating. Here’s what you can do to keep yourself safe. Should You Choose a Fixed or Variable? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. 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.