Date & Age Calculators

10 free tools in this category.

Age Calculator

Calculate your exact age in years, months, days, hours, and minutes from your date of birth. Find out how many days until your next birthday.

Age Difference Calculator

Find the exact age difference between two people or two dates. Displays the gap in years, months, and days.

Date Difference Calculator

Calculate the number of days, weeks, months, and years between any two dates. Useful for project timelines and event planning.

Date Add/Subtract Calculator

Add or subtract days, weeks, months, or years from any date to find a past or future date quickly.

Days Until Calculator

Find out exactly how many days remain until any upcoming event, holiday, or deadline.

Birthday Calculator

Discover what day of the week you were born, your birth number, next birthday countdown, and upcoming birthdays for any date.

Leap Year Checker

Quickly check whether any given year is a leap year and find the nearest past and future leap years.

Working Days Calculator

Calculate the number of business (working) days between two dates, excluding weekends and optional public holidays.

Time Duration Calculator

Add or subtract time values and calculate the total duration between two time points in hours, minutes, and seconds.

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa. Supports millisecond and second precision.