Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. 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 Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. Retirement Plan Detectives A couple become Retirement Plan Detectives, searching records from old employers.