Calculator Library

Calculator Library
Free Online Calculators

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Calculator Library started developing online calculators in 1998. Since then, we've grown to become one of the best collections of free calculators on the Internet. Right now, we have 84 calculators in the following categories:

You can click any of the buttons above to go to the relevant calculator category, or click here to see the full list showing every calculator currently available on our site.

We always have more calculators in development and you can check out some of our newest calculators here. Click the "Calculator Notifications" button above to be kept informed about our latest developments and new calculators as we continue to add them.

If you want to learn more about our many free online calculators, or calculators in general, check out our Calculator Blog here. In particular, our Top 10 Popular Online Calculators article discusses the calculators our visitors use most. If you have any questions about our site, please visit our FAQ.

Please contact us at any time if you have a special request for a particular type of calculator. We'd love to hear from you.

iPhone Scientific Calculator iPhone Scientific Calculator
Check out our fully functional online version of this popular calculator.

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