Log Base 10 Calculator

Log Base 10 Calculator to calculate the log base 10 of a number. The log base 10 of x is the base 10 logarithm of x which can be written as log₁₀(x) or lg(x). Enter a number below, and the Log10 Calculator will calculate the result instantly.

What is log base 10

The logarithm base 10 of a number is its logarithm to the base of 10 where lg(1) = 0.

Log Base 10

Following is log base 10 table that shows lg(1) up to lg(100).