Use the form below to do your conversion.
Solution
Step1
Log218381=Log(8381) ÷ Log(21)
Log(8381)= 3.9232958406555
Log(21)=1.3222192947339
Log218381=3.9232958406555 ÷ 1.3222192947339
Ans=2.9672051045398
Step2
Alternatively, the logarithm can be calculated like this.