Use the form below to do your conversion.
Solution
Step1
Log11991=Log(991) ÷ Log(11)
Log(991)= 2.9960736544853
Log(11)=1.0413926851582
Log11991=2.9960736544853 ÷ 1.0413926851582
Ans=2.8769874200048
Step2
Alternatively, the logarithm can be calculated like this.