What is the natural log of 9?| Natural (ln) Log Calculator

Here is the answer to questions like: What is the natural log of 9? or How to find the natural log of 9?

Use our base e log calculator to find the natural logarithm of any positive real number.

What is natural logarithm?

The natural log is the logarithm to the base of the number e and is the inverse function of an exponential function. Natural logarithm is particular case of logarithms and is typically used in solving time, growth/decay problems.

The number 'e' is an irrational constant approximately equal to 2.718281828459. The natural logarithm of x is generally written as ln(x) or logex.

The natural logarithm of x is the power to which e would have to be raised to equal x. For example, ln(10) is 2.30258509..., because e2.30258509... = 10.

Natural Logarithm Basic Rules

The natural logarithm table (<= 1.0)

The natural logarithm table (>= 1.0)

Natural (ln) Log Calculator

Natural (ln) Log Calculator

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Sample Natural Logarithms Calculations

  • Natural Log - ln(1315000)
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  • Natural Log - ln(0.81)

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