Use the form below to do your conversion.
Solution
Step1
Log208405=Log(8405) ÷ Log(20)
Log(8405)= 3.9245377177755
Log(20)=1.301029995664
Log208405=3.9245377177755 ÷ 1.301029995664
Ans=3.0164851931585
Step2
Alternatively, the logarithm can be calculated like this.