Math

Log Base 2 Calculator

Find the base-2 logarithm of a number.

Parameters Live Compute
Calculated Output
log₂(x) 8
Formula: log₂(x) = ln(x) ÷ ln(2)
Step-by-Step Breakdown
1. Values used:
2. Number = 256
3.
4. log₂(x) = 8
Did this calculator solve your problem today?
Report issue to loopingon.com
Sponsored

Base-2 logs count doublings — central to computing.

The math behind it

log₂(x) answers: 2 to what power equals x?

Worked Example

log₂(256) = 8.

Frequently Asked Questions

Use?

Bits needed to represent values, and algorithm complexity.

Advertisement