## About This Tool

The online Natural Log Calculator is used to calculate the natural logarithm of a number x, which is generally written as ln(x) or log_{e}(x).

## Natural Log

The natural logarithm is the logarithm to the base

e (Euler's number, approximately equal to 2.718281828). It is generally written as ln(x), log

_{e}(x) or sometimes, if the base of e is implicit, as simply log(x). It is often used in mathematical analysis, physics, chemistry, statistics, economics, and some engineering fields.

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