Use the form below to do your conversion.
Solution
Step1
Log21485=Log(485) ÷ Log(21)
Log(485)= 2.6857417386023
Log(21)=1.3222192947339
Log21485=2.6857417386023 ÷ 1.3222192947339
Ans=2.0312377449784
Step2
Alternatively, the logarithm can be calculated like this.