Use the form below to do your conversion.
Solution
Step1
Log15121=Log(121) ÷ Log(15)
Log(121)= 2.0827853703164
Log(15)=1.1760912590557
Log15121=2.0827853703164 ÷ 1.1760912590557
Ans=1.7709385681421
Step2
Alternatively, the logarithm can be calculated like this.