Use the form below to do your conversion.
Solution
Step1
Log219725=Log(9725) ÷ Log(21)
Log(9725)= 3.9878896099977
Log(21)=1.3222192947339
Log219725=3.9878896099977 ÷ 1.3222192947339
Ans=3.0160576432976
Step2
Alternatively, the logarithm can be calculated like this.