Use the form below to do your conversion.
Solution
Step1
Log217615=Log(7615) ÷ Log(21)
Log(7615)= 3.8816699076721
Log(21)=1.3222192947339
Log217615=3.8816699076721 ÷ 1.3222192947339
Ans=2.9357232367821
Step2
Alternatively, the logarithm can be calculated like this.