Use the form below to do your conversion.
Solution
Step1
Log207781=Log(7781) ÷ Log(20)
Log(7781)= 3.8910354153153
Log(20)=1.301029995664
Log207781=3.8910354153153 ÷ 1.301029995664
Ans=2.9907345935783
Step2
Alternatively, the logarithm can be calculated like this.