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 Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. What Is My Life Expectancy? Estimate how many years you may need retirement assets or how long to provide income to a surviving spouse or children.