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. Related Content Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Should I Buy or Lease an Auto? This calculator compares the financial impact of leasing versus buying an automobile. When Markets React When markets shift, experienced investors stick to their strategy.