Exact age math is trickier than it looks: months have different lengths, leap years add phantom days, and “30 years and 4 months” depends on which months. Forms, insurance quotes, and eligibility checks often want precision, not a rough number.
Enter your birth date once and get the exact breakdown — years, months, days, total days lived, and a live countdown to your next birthday. It also works between any two dates, and one click copies the result wherever you need it.
Get your exact age in 3 steps
- Open the faymox Age Calculator.
- Pick your birth date from the date picker.
- See your exact age, total days lived, and the countdown to your next birthday — copy it with one click.
FAQ
Does it handle leap years correctly?
Yes — the calculation uses real calendar math, so February 29 birthdays and leap days are counted exactly.
Can I calculate the difference between two dates?
Yes. Enter any start and end date to get the precise difference in years, months, and days — handy for anniversaries, tenure, or project timelines.
How accurate is it?
Exact to the day, using the Gregorian calendar. It is as precise as the birth date you enter.