MATH CALCULATOR

Logarithm Calculator

Calculate the logarithm of a number with any base. Compute natural logarithms and common logarithms

Calculator

Enter a positive number (must be greater than 0)

Enter the base of the logarithm (default: 10 for common logarithm)

How to Calculate

  • 1Enter a positive number in the first input field
  • 2Enter the base of the logarithm (default is 10 for common logarithm)
  • 3Click "Calculate" to compute the logarithm
  • 4The result shows the logarithm of the number with the specified base

Examples

Example 1: Common logarithm of 100

Inputs

number: 100base: 10

Result

2

Example 2: Binary logarithm of 8

Inputs

number: 8base: 2

Result

3

Example 3: Natural logarithm of e

Inputs

number: 2.71828base: 2.71828

Result

1

Frequently Asked Questions

Find answers to common questions about using this calculator. If you have additional questions, feel free to explore the examples above or contact our support team.

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