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Logarithm Calculator

Solve for the logarithm of any number with any base, including natural logs (ln).

Last Updated: July 31, 2024

Logarithm Calculator

Calculate the logarithm of a number to a specified base. The number and base must be positive, and the base cannot be 1.

Result

log10(100) is:

2.000000

About the Logarithm Calculator

The Logarithm Calculator finds the logarithm of a number to a specified base. Logarithms are the inverse of exponents. They answer the question: "To what power must we raise a base to get another number?"

How to Use the Logarithm Calculator

  1. Enter the Number (x) you want to find the logarithm of.
  2. Enter the Base (b) for the logarithm.

The result of log(x) to the base(b) will be calculated and displayed instantly.

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