Age Formula: Calendar look up to find day, then years converted into days, hours, minutes, and seconds.

Age Definition The online Age Calculator will calculate how old you are in years, days, hours, and seconds! It will even tell you what day of the week you were born on! All you have to do to use the Age Calculator is to simply enter in your date of birth and then press the calculate button. You can calculate your age in a snap – try it out now! Check out the Age Nearest Birthday after you are done using this calculator.

How to Calculate Age Let's be honest - sometimes the best age calculator is the one that is easy to use and doesn't require us to even know what the age formula is in the first place! But if you want to know the exact formula for calculating age then please check out the "Formula" box above.