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.

The maths keeps full precision and only rounds what you see. For loans and taxes, check the final figures with your bank or tax office.

The days, weeks and months between two dates, working days, and adding or taking away days.

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.
How exact are the results?: The maths keeps full precision and only rounds what you see. For loans and taxes, check the final figures with your bank or tax office.

Ready-made settings for common jobs.

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