Use the form below to do your conversion.
Solution
Step1
Log218975=Log(8975) ÷ Log(21)
Log(8975)= 3.9530344572504
Log(21)=1.3222192947339
Log218975=3.9530344572504 ÷ 1.3222192947339
Ans=2.9896965450393
Step2
Alternatively, the logarithm can be calculated like this.