Use the form below to do your conversion.
Solution
Step1
Log215081=Log(5081) ÷ Log(21)
Log(5081)= 3.7059491949103
Log(21)=1.3222192947339
Log215081=3.7059491949103 ÷ 1.3222192947339
Ans=2.8028249244813
Step2
Alternatively, the logarithm can be calculated like this.