Use the form below to do your conversion.
Solution
Step1
Log207145=Log(7145) ÷ Log(20)
Log(7145)= 3.854002233127
Log(20)=1.301029995664
Log207145=3.854002233127 ÷ 1.301029995664
Ans=2.9622700829123
Step2
Alternatively, the logarithm can be calculated like this.