Use the form below to do your conversion.
Solution
Step1
Log21209=Log(209) ÷ Log(21)
Log(209)= 2.3201462861111
Log(21)=1.3222192947339
Log21209=2.3201462861111 ÷ 1.3222192947339
Ans=1.7547363703976
Step2
Alternatively, the logarithm can be calculated like this.