## About This Tool

The online Log Base 10 Calculator is used to calculate the log base 10 of a number x, which is generally written as lg(x) or log_{10}(x).

## Log Base 10

Log base 10, also known as the common logarithm or decadic logarithm, is the logarithm to the base 10. The common logarithm of x is the power to which the number 10 must be raised to obtain the value x. For example, the common logarithm of 10 is 1, the common logarithm of 100 is 2 and the common logarithm of 1000 is 3. It is often used in various engineering fields, logarithm tables and handheld calculators.

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