🧠Everyday Life Calculators

Little everyday questions, answered in seconds.

Pop in a birth date to see your exact age in years, months and days — plus a countdown to your next birthday.

Count the days between two dates, or jump forward and back by days, weeks or months. Flip on business days to skip weekends.

Add or subtract hours and minutes from any time, or find out how long it is between two times.

Enter the bill, tap a tip, and split it between friends. Done before the waiter comes back.

Convert length, weight, volume, temperature, area and speed — metric, imperial and US units all in one place.