Use the form below to do your conversion.
Solution
Step1
Log20121=Log(121) ÷ Log(20)
Log(121)= 2.0827853703164
Log(20)=1.301029995664
Log20121=2.0827853703164 ÷ 1.301029995664
Ans=1.6008742129373
Step2
Alternatively, the logarithm can be calculated like this.