Use the form below to do your conversion.
Solution
Step1
Log218521=Log(8521) ÷ Log(21)
Log(8521)= 3.9304905653063
Log(21)=1.3222192947339
Log218521=3.9304905653063 ÷ 1.3222192947339
Ans=2.9726465049788
Step2
Alternatively, the logarithm can be calculated like this.