Use the form below to do your conversion.
Solution
Step1
Log212515=Log(2515) ÷ Log(21)
Log(2515)= 3.4005379893919
Log(21)=1.3222192947339
Log212515=3.4005379893919 ÷ 1.3222192947339
Ans=2.57184114839
Step2
Alternatively, the logarithm can be calculated like this.