Use the form below to do your conversion.
Solution
Step1
Log211511=Log(1511) ÷ Log(21)
Log(1511)= 3.179264464339
Log(21)=1.3222192947339
Log211511=3.179264464339 ÷ 1.3222192947339
Ans=2.4044910530358
Step2
Alternatively, the logarithm can be calculated like this.