Use the form below to do your conversion.
Solution
Step1
Log205423=Log(5423) ÷ Log(20)
Log(5423)= 3.7342396044355
Log(20)=1.301029995664
Log205423=3.7342396044355 ÷ 1.301029995664
Ans=2.8702179172508
Step2
Alternatively, the logarithm can be calculated like this.