Use the form below to do your conversion.
Solution
Step1
Log20287=Log(287) ÷ Log(20)
Log(287)= 2.457881896734
Log(20)=1.301029995664
Log20287=2.457881896734 ÷ 1.301029995664
Ans=1.88918157531
Step2
Alternatively, the logarithm can be calculated like this.