Use the form below to do your conversion.
Solution
Step1
Log21493=Log(493) ÷ Log(21)
Log(493)= 2.6928469192772
Log(21)=1.3222192947339
Log21493=2.6928469192772 ÷ 1.3222192947339
Ans=2.0366114229328
Step2
Alternatively, the logarithm can be calculated like this.