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 Question Thank you! Oops! Related Content What's So Great About a Rollover? Making a career move requires tough decisions, not the least of which is what to do with the funds in your retirement plan. Should I Pay Off Debt or Invest? This calculator will help determine whether you should invest funds or pay down debt. Federal Income Tax Use this calculator to estimate your income tax liability along with average and marginal tax rates.