Use the form below to do your conversion.
Solution
Step1
Log209509=Log(9509) ÷ Log(20)
Log(9509)= 3.9781348473983
Log(20)=1.301029995664
Log209509=3.9781348473983 ÷ 1.301029995664
Ans=3.0576811146987
Step2
Alternatively, the logarithm can be calculated like this.