Use the form below to do your conversion.
Solution
Step1
Log21511=Log(511) ÷ Log(21)
Log(511)= 2.7084209001347
Log(21)=1.3222192947339
Log21511=2.7084209001347 ÷ 1.3222192947339
Ans=2.0483900899962
Step2
Alternatively, the logarithm can be calculated like this.