Use the form below to do your conversion.
Solution
Step1
Log21395=Log(395) ÷ Log(21)
Log(395)= 2.5965970956265
Log(21)=1.3222192947339
Log21395=2.5965970956265 ÷ 1.3222192947339
Ans=1.963817277488
Step2
Alternatively, the logarithm can be calculated like this.