Use the form below to do your conversion.
Solution
Step1
Log215525=Log(5525) ÷ Log(21)
Log(5525)= 3.7423322823571
Log(21)=1.3222192947339
Log215525=3.7423322823571 ÷ 1.3222192947339
Ans=2.8303416061632
Step2
Alternatively, the logarithm can be calculated like this.