Find out which date was/is X days before or after a date

Calculate how many days there are left until a certain date, or how many days ago there was since a certain date.

Calculate how many days you have lived and find out if you are close to your 10 000th birthday perhaps!

Calculate when you will have your 10 000th birthday or will turn 20 000 days and so on.

Find out which date it will be in a certain number of days, or which date it was a certain number of days ago.

What day of the week was it when you were born? Was your wedding really on a Saturday? Which weekday did the French Revolution take place? Find it all out in this calendar calculation.

Calculate how many days there are between two given dates, for example today and Christmas Day.

Do you want to have a reason to celebrate something with your family? Here you can calculate when your family turns 100 000 days, 100 years and similar things worth celebrating.

This calculation helps you find out how much, for instance, 237 days is in matter of months, weeks, hours and so on.

Calculate how old your dog is in human years (and the opposite) - and it is not the old "7 x dog years" but a new formula.

Calculate how old you would have been on the other planets in our solar system.

Calculate the volume of a pyramid with a four-sided bases (such as, well, the pyramids!) using several different dimensions for both input and output.

Even though these conversions are covered in the Converter on this website, they are so common that they have their own converter. You can convert between miles per hour, meters per second and kilomoters per hour.

Calculate how miserable your life is in this test that will go through all the dark parts of your life.

Calculate the volume of a cone (such as an ice cream cone), it allows multiple different types of inputs and outputs - depending on your need.

Find out how large your penis would have been if you had been a man.