Use the form below to do your conversion.
Solution
Step1
Log21503=Log(503) ÷ Log(21)
Log(503)= 2.7015679850559
Log(21)=1.3222192947339
Log21503=2.7015679850559 ÷ 1.3222192947339
Ans=2.0432072015706
Step2
Alternatively, the logarithm can be calculated like this.