Use the form below to do your conversion.
Solution
Step1
Log21245=Log(245) ÷ Log(21)
Log(245)= 2.3891660843645
Log(21)=1.3222192947339
Log21245=2.3891660843645 ÷ 1.3222192947339
Ans=1.8069363333904
Step2
Alternatively, the logarithm can be calculated like this.