Author: Oscar Cronquist Article last updated on November 02, 2018

The LOG10 function calculates the logarithm of a number using the base 10.

Formula in cell C3:

=LOG10(B3)

Excel Function Syntax

LOG10(number)

Arguments

number Required. A value larger than 0 (zero) that you want to calculate the logarithm with base 10.

Comments

The LOG10 function returns #NUM! error if number is equal to 0 (zero) or smaller.