Use the form below to do your conversion.
Solution
Step1
Log216511=Log(6511) ÷ Log(21)
Log(6511)= 3.8136476953469
Log(21)=1.3222192947339
Log216511=3.8136476953469 ÷ 1.3222192947339
Ans=2.8842777522123
Step2
Alternatively, the logarithm can be calculated like this.