Use the form below to do your conversion.
Solution
Step1
Log20509=Log(509) ÷ Log(20)
Log(509)= 2.7067177823368
Log(20)=1.301029995664
Log20509=2.7067177823368 ÷ 1.301029995664
Ans=2.0804422583319
Step2
Alternatively, the logarithm can be calculated like this.