Use the form below to do your conversion.
Solution
Step1
Log218725=Log(8725) ÷ Log(21)
Log(8725)= 3.9407654356312
Log(21)=1.3222192947339
Log218725=3.9407654356312 ÷ 1.3222192947339
Ans=2.9804174325139
Step2
Alternatively, the logarithm can be calculated like this.