Online Calculators & Tools

Natural Logarithm conversion Calculator and how to use

The natural logarithm of x is the base e logarithm of x:

ln x = loge x = y


Natural Log conversion Calculator

The natural log calculator determines the logarithm to the base of a famous mathematical constant, e, an irrational number with an approximate value of e = 2.71828 . ... This is the power the number e has to be raised to in order to result in a given number x.

Natural Log Formula

The general formula for computing Ln(x) with the Log function is Ln(x) = Log(x)/Log(e), or equivalently Ln(x) = Log(x)/0.4342944819.