Log Calculator

Log Calculator

Number to find log base 10 of:
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Log Formula:

log₁₀x is a number n such that 10ⁿ = x

Log Definition

Our free online Log Calculator is an easy to use math calculator that makes it easy to calculate the log base 10 of any number you enter in. Simply enter in the number that you want to convert to log base 10 and press calculate. Try it out and then use our other free calculators today!

How to Calculate Log

Let's be honest - sometimes the best log calculator is the one that is easy to use and doesn't require us to even know what the log formula is in the first place! But if you want to know the exact formula for calculating log then please check out the "Formula" box above.

Add a Free Log Calculator Widget to Your Site!

You can get a free online log calculator for your website and you don't even have to download the log calculator - you can just copy and paste! The log calculator exactly as you see it above is 100% free for you to use. If you want to customize the colors, size, and more to better fit your site, then pricing starts at just $29.99 for a one time purchase. Click the "Customize" button above to learn more!