Log Base 2 Calculator

Last updated: Math Calculators

Log Base 2 Calculator
log2(x) =
ln(x)/ln(2)

About This Calculator

This calculator finds the logarithm base 2 (log₂) of a number, which represents the exponent to which 2 must be raised to produce that number.

Frequently Asked Questions

What is log base 2?

It's the power you raise 2 to in order to get a given number.

Can I input negative numbers?

No, logarithms are only defined for positive real numbers.

Where is log₂ used?

It's common in computing for algorithm analysis and binary operations.