Use the form below to do your conversion.
Solution
Step1
Log21265=Log(265) ÷ Log(21)
Log(265)= 2.4232458739368
Log(21)=1.3222192947339
Log21265=2.4232458739368 ÷ 1.3222192947339
Ans=1.8327110212262
Step2
Alternatively, the logarithm can be calculated like this.