Use the form below to do your conversion.
Solution
Step1
Log21803=Log(803) ÷ Log(21)
Log(803)= 2.9047155452787
Log(21)=1.3222192947339
Log21803=2.9047155452787 ÷ 1.3222192947339
Ans=2.196848553676
Step2
Alternatively, the logarithm can be calculated like this.