Use the form below to do your conversion.
Solution
Step1
Log186421=Log(6421) ÷ Log(18)
Log(6421)= 3.8076026699165
Log(18)=1.2552725051033
Log186421=3.8076026699165 ÷ 1.2552725051033
Ans=3.0332877159634
Step2
Alternatively, the logarithm can be calculated like this.