Choose whether to count the last day too.

Are my numbers private?

Yes. Every calculation runs in your browser, and what you type stays on your device.

Does it work offline?

Yes. Once this page has loaded, it keeps working without an internet connection.

Count the days, weeks and working days between two dates.

Good to know: Choose whether to count the last day too.
Are my numbers private?: Yes. Every calculation runs in your browser, and what you type stays on your device.
Does it work offline?: Yes. Once this page has loaded, it keeps working without an internet connection.

Ready-made settings for common jobs.

More calculators for everyday numbers.

Age

Exact age, next birthday

Hours and minutes

Meet across time zones

Of, is what %, change

Everyday sums, with history