The website PasswordMonster.com indicates how long it takes for a hacker to find a password using brute force, which means trying every possible combination of characters. However, this assumes that the thief has circumvented the number of tries allowed before the site sets a wait time to log on again. See
password and
password manager.
You'll Know Right Away
This website computes how long it would take a regular computer to find your password. Using a mix of characters (letters, digits and symbols), and the longer the password, the longer it takes a regular computer to find the correct combination. (Image courtesy of PasswordMonster.com.)