Can I Refinance My Mortgage? This calculator can help determine whether it makes sense to refinance your mortgage. 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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. What Do Your Taxes Pay For? Here's a breakdown of how the federal government spends your tax money. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.