Use the form below to do your conversion.
Solution
Step1
Log216115=Log(6115) ÷ Log(21)
Log(6115)= 3.7863964613723
Log(21)=1.3222192947339
Log216115=3.7863964613723 ÷ 1.3222192947339
Ans=2.8636675296243
Step2
Alternatively, the logarithm can be calculated like this.