Use the form below to do your conversion.
Solution
Step1
Log20143=Log(143) ÷ Log(20)
Log(143)= 2.1553360374651
Log(20)=1.301029995664
Log20143=2.1553360374651 ÷ 1.301029995664
Ans=1.6566382363576
Step2
Alternatively, the logarithm can be calculated like this.