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 A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits.