Use the form below to do your conversion.
Solution
Step1
Log1285=Log(85) ÷ Log(12)
Log(85)= 1.9294189257143
Log(12)=1.0791812460476
Log1285=1.9294189257143 ÷ 1.0791812460476
Ans=1.7878543875559
Step2
Alternatively, the logarithm can be calculated like this.