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 Message Thank you! Oops! Related Content How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Deciding When to Take Social Security One of the most common questions people ask about Social Security is when they should start taking benefits. Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all.