Use the form below to do your conversion.
Solution
Step1
Log218407=Log(8407) ÷ Log(21)
Log(8407)= 3.9246410474172
Log(21)=1.3222192947339
Log218407=3.9246410474172 ÷ 1.3222192947339
Ans=2.9682224900575
Step2
Alternatively, the logarithm can be calculated like this.