Logarithm Calculator

Find the logarithm with this online logarithm calculator.


Fill in the base and the argument to calculate the logarithm .

What is a logarithm?

The logarithm is the exponent that a base has to be raised to reach
the argument.

For example: 24 = 16

2 is the base
16 is the argument

The logarithm is 4

You would see this example written as log2(16) = 4

$100 Promotion

Win $100 towards teaching supplies! We want to see your websites and blogs.
$100 Promo
Enter Here

Calculator Popups

Scientific Calculator
Simple Calculator

Calculator Ideas

We use your calculator ideas to create new and useful online calculators.
Submit Calculator Idea