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Business Days Calculator

Count the weekdays (Monday-Friday) between two dates.

Pick both dates above

This counts Monday through Friday only — it does not account for public holidays, which vary by country.

Date Calculator

Add or subtract time from a date.

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Hours Calculator

Add up hours and minutes worked.

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Zodiac Sign Finder

Find your zodiac sign from a birth date.

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Number Base Converter

Convert numbers between decimal, binary, octal, and hex.

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Number to Words

Convert a number into its written-out English words.

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Rule of Three Calculator

Solve simple proportions instantly.

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Running into a technical issue or something that doesn't work right on this page? Please let us know straight away via our Contact page — that's how we find out what's broken and get it fixed.