Use the form below to do your conversion.
Solution
Step1
Log21311=Log(311) ÷ Log(21)
Log(311)= 2.4927603890268
Log(21)=1.3222192947339
Log21311=2.4927603890268 ÷ 1.3222192947339
Ans=1.8852851406381
Step2
Alternatively, the logarithm can be calculated like this.