The Age Calculator is fast & easy. You can find your age as of today or on a selected day. You can also use this calculator to determine the difference between two days. The calculator will display results in years, months, weeks, days, hours, minutes, and seconds.
Age Calculator by Birthdate
Use Cases of Age Calculator
The age calculator by birthdate finds the difference between the two dates.
In some cultures, age is expressed by counting years with or without including the current year. For example, one person who is twenty years old is the same as one person who is in the twenty-first year of his/her life.
Age Calculator by Year Chinese Lunar Calendar
In Chinese culture, age is often calculated using the lunar calendar, which differs from the Gregorian calendar used by most of the world.
The Chinese lunar calendar consists of 12 or 13 lunar months in a year, with each month lasting 29 or 30 days.
To calculate your age using the Chinese lunar calendar, you need to know your birth date and the reference date in the lunar calendar format.
In one of the traditional Chinese systems, people are born at age 1 and the age grows up at the Traditional Chinese New Year instead of their birthday. For example, if one baby was born just one day before the Traditional Chinese New Year, 2 days later, the baby will be at age 2 even though he/she is only 2 days old.
Age Calculation Based on Life Events
Another unconventional way to calculate your age is by counting the number of significant life events that have occurred since your birth. This method is subjective and requires personal reflection, as what constitutes a significant life event will vary from person to person.
Examples of life events may include graduations, career milestones, marriages, births of children, or the passing of loved ones. By reflecting on the accumulation of these experiences, you can gain a deeper appreciation for the passage of time and your personal growth.
Once you use the age calculator to find your age, you can check the BMI, which is a barometer of your health. Test our BMI calculator