Use the form below to do your conversion.
Solution
Step1
Log72561=Log(2561) ÷ Log(7)
Log(2561)= 3.4084095784684
Log(7)=0.84509804001426
Log72561=3.4084095784684 ÷ 0.84509804001426
Ans=4.033152861662
Step2
Alternatively, the logarithm can be calculated like this.