Use the form below to do your conversion.
Solution
Step1
Log218707=Log(8707) ÷ Log(21)
Log(8707)= 3.9398685444595
Log(21)=1.3222192947339
Log218707=3.9398685444595 ÷ 1.3222192947339
Ans=2.9797391099578
Step2
Alternatively, the logarithm can be calculated like this.