Use the form below to do your conversion.
Solution
Step1
Log211025=Log(1025) ÷ Log(21)
Log(1025)= 3.0107238653918
Log(21)=1.3222192947339
Log211025=3.0107238653918 ÷ 1.3222192947339
Ans=2.2770230909372
Step2
Alternatively, the logarithm can be calculated like this.