Calculator Directory
All our free tools in one place.
Age Calculator
Find out exactly how old you are in years, months, and days.
Days Between
Calculate the exact number of days between any two dates.
Percentage Calculator
Solve all your percentage math problems in one place.
Time Zone Converter
Convert time between global cities and adjust for DST.
Day of Week
Find out which weekday any calendar date falls on.
Week Number
Get the ISO 8601 week number for any specific date.
Hours Between
Calculate exact duration between two times, same or different days.
Age in Days
See your exact age in days, hours, and seconds.
Birthday Countdown
Track the time left until your next big celebration.
Sunrise & Sunset
Get precise daylight times for your current location.
Zodiac Sign
Discover your Western horoscope sign and personality traits.
Chinese Zodiac
Find your Chinese animal sign based on your birth year.
Business Days
Find non-weekend work days between start and end dates.
Add / Subtract Days
Determine future/past dates by adding or subtracting days or weeks.
Pregnancy Due Date
Calculate birth date and trimesters track for expecting mothers.
Leap Year Calculator
Check if a specific year is a leap year instantly.
Holiday Today?
Check today's global and regional holidays in 35+ countries.
Holiday Hub
Browse 100+ international, domestic and commercial holiday countdowns.
Unit Converters
Fast tools for Length, Weight, Temp, and more.
World Clock
Real-time local time for major capitals and global cities.