Too many things factor into answering this question. See the website below.
512/1.6=320 MPH
512 MB of photo space.
10k 512 means, you have a 10k gold ring with 5.12carat's total gem weight.
No
512 cubic centimetres or 512 millilitres.
you should weight at lest 102
.512 inches
200
85.3333
Quite possibly 512 cubic inches!
Your weight should be around 35 when you are 10 years old.
U should not weight more that 70 KGs.