Use the form below to do your conversion.
Solution
Step1
Log20821=Log(821) ÷ Log(20)
Log(821)= 2.9143431571194
Log(20)=1.301029995664
Log20821=2.9143431571194 ÷ 1.301029995664
Ans=2.2400276448908
Step2
Alternatively, the logarithm can be calculated like this.