Use the form below to do your conversion.
Solution
Step1
Log21845=Log(845) ÷ Log(21)
Log(845)= 2.9268567089497
Log(21)=1.3222192947339
Log21845=2.9268567089497 ÷ 1.3222192947339
Ans=2.213594008654
Step2
Alternatively, the logarithm can be calculated like this.