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. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards. Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. A Brief History of Estate Taxes Federal estate taxes have long since been a lucrative source of funding for the federal government.