Math
Log Base 2 Calculator
Compute the base-2 logarithm of a positive number.
Free to use — no sign-up or login.
Result
This free Log Base 2 Calculator covers Compute the base-2 logarithm of a positive number.
log₂(n) is the power of two that yields n. Related math tools sit beside How it works, with no account required.
Using the Log Base 2 Calculator
Compute the base-2 logarithm of a positive number. Fill the labeled fields on the Log Base 2 Calculator and read the result. The formula stays in How it works rather than being repeated here.
FAQ
How do I use the Log Base 2 Calculator?
Enter the labeled values on the Log Base 2 Calculator and read the output. Definition via change of base.
What formula does the Log Base 2 Calculator use?
The Log Base 2 Calculator uses the identity in How it works. In words: Definition via change of base.