Date Difference & Age
Calculate detailed differences between two dates and find your exact age.
Days Between Dates
Calculate the exact number of days between two dates.
Weeks Between Dates
Calculate the exact number of weeks between two dates.
Months Between Dates
Calculate the exact number of months between two dates.
Years Between Dates
Calculate the exact number of years between two dates.
Business Days Between Dates
Count only working days (Monday-Friday) between dates.
Working Days Calculator
Calculate the number of working days considering custom weekends.
Weekend Counter
Count how many weekends fall within a specific date range.
Public Holiday Exclusion Calculator
Calculate days excluding standard public holidays.
Age Calculator
Find out your exact age from your birthdate.
Exact Age (Y/M/D)
Calculate your age down to the exact year, month, and day.
Age in Months
Convert an entire lifetime into total elapsed months.
Age in Weeks
Convert your age to exact weeks.
Age in Days
Calculate the exact number of days you have been alive.
Age in Hours
Calculate your age in total hours.
Age in Minutes
Calculate your age in total minutes.
Age in Seconds
Calculate your age in seconds.
Birthday Countdown
Count down the days, hours, and minutes until your next birthday.
Next Birthday Finder
Find exactly what day of the week your next birthday will fall on.
Half Birthday Calculator
Find out exactly when your 6-month half-birthday occurs.
Anniversary Calculator
Track the duration of anniversaries and find upcoming milestones.
Relationship Duration Calculator
Calculate exactly how long you've been with your partner.
Marriage Duration Calculator
Count the years, months, and days of your marriage.
Friendship Duration Counter
Calculate the length of your friendship.
School Age Eligibility Checker
Check if a child meets the age cutoff for school districts.
Retirement Age Calculator
Find out your projected retirement date based on age and region.
Life Expectancy Date Tool
Project future dates based on demographic life expectancy averages.
Days Until 100th Birthday
A fun counter showing exactly how far away your centennial is.
Pet Age Calculator
Translate animal years to human years accurately.
Dog Age to Human Years
Convert your dog's age to human years considering breed size.
Cat Age to Human Years
Translate your cat's age into equivalent human years.
Date Since Calculator
Count the elapsed time since a specific historical event.
Date Until Calculator
Count the impending time until a future event.
Date Duration in Business Hours
Calculate time elapsed strictly within a 9-to-5 window.
Date Duration Without Weekends
Calculate time elapsed skipping Saturdays and Sundays.
Pregnancy Week Calculator
Track gestational age and trimesters.
Conception Date Finder
Estimate the date of conception based on due date or LMP.
Due Date Calculator
Calculate an estimated date of delivery (EDD).
Zodiac Sign Finder
Find your Western astrological sun sign based on birthdate.
Chinese Zodiac Finder
Discover your Chinese Zodiac animal based on the lunar calendar.
Birthstone Finder
Find your traditional and modern birthstones by birth month.