Use the form below to do your conversion.
Solution
Step1
Log219013=Log(9013) ÷ Log(21)
Log(9013)= 3.9548693710665
Log(21)=1.3222192947339
Log219013=3.9548693710665 ÷ 1.3222192947339
Ans=2.9910842980569
Step2
Alternatively, the logarithm can be calculated like this.