Calculate exact age between any two dates.
Results shown in years, months, days, plus total days, hours, minutes, and more!
Our online age calculator is a fast, accurate way to calculate any exact age, or the interval between any two dates. Unlike other calculators, our tool provides comprehensive results including years, months, weeks, days, hours, minutes, and seconds.
✅ The calculated age will be displayed in multiple formats: years, months, weeks, days, hours, minutes, and seconds.
✅ You'll also see the total age expressed as months only, weeks only, days only, hours only, minutes only, and seconds only.
✅ Plus, get bonus details including days until the next birthday, the day of the week you were born, and your star sign.
Our age calculator uses a common age calculation system used in Western countries, where age increases on your birthday. For example, if you've lived for 25 years and 11 months, your age is 25, and it will become 26 on your next birthday.
Age calculation varies across different cultures and traditions. Our calculator follows the Western method where your age increases on your birthday. This means if you were born on January 1st and today is December 31st of the same year, your age is still 0 until your first birthday.
Some cultures count age differently. In certain Asian traditions, newborns start at age 1, and everyone gains a year during New Year celebrations rather than on individual birthdays. In traditional Chinese age systems, people are born at age 1 and their age increases at the Traditional Chinese New Year rather than their birthday.
When calculating age spans that end on month boundaries, there can be different interpretations. For instance, from January 31 to February 28, we count this as one month even though it's less than 30 days. Our calculator uses the standard approach of counting complete months first, then remaining days.
The most common age calculation system used in Western countries counts years, months, and days from your birth date. For example, if you've lived for 25 years and 11 months, your age is 25, and it will become 26 on your next birthday one month later.
The average human lifespan is approximately 700,000 hours or 42 million minutes. By age 30, you've lived through over 10,000 days and experienced roughly 11,000 sunrises. These calculations help put life's timeline into perspective and make age more meaningful than just counting years.
Our age calculator automatically accounts for leap years when calculating your exact age. If you were born on February 29th (leap day), your actual birthday only occurs every 4 years, but we calculate your age progression normally using February 28th in non-leap years.