Use the form below to do your conversion.
Solution
Step1
Log30685=Log(685) ÷ Log(30)
Log(685)= 2.8356905714924
Log(30)=1.4771212547197
Log30685=2.8356905714924 ÷ 1.4771212547197
Ans=1.9197412280352
Step2
Alternatively, the logarithm can be calculated like this.