log
Logarithm Calculator
Calculate logarithms in any base instantly.
Format:logb(a) = x
log()
What is a Logarithm?
The logarithm is the inverse of exponentiation. When we ask what the logarithm of 8 to the base 2 is, we are actually asking:To what power should I raise the number 2 so that the result is 8?
Simple Example:
log₂(8) = 3
This is true because: 2³ (2 x 2 x 2) = 8
In many everyday mathematical cases in engineering and computing, the results are not perfect integers, but rather numbers with infinite decimal places. Our calculator handles any base and any value, displaying the exact log immediately.