On average, multiply the ear corn bushels times 0.8 to get shelled corn bushels. This is not an absolute, just a rule of thumb for estimating. The only way to get a truly accurate measure is to go...
Heavier corn ears does not translate into more ears or even more kernels.
Weight has nothing to do with the amount or measurement of the corn or kernel and is caused by the density of the corn...
Probably 80,000 kernels in a bushel of corn.
Kernel sizes can vary widely depending on a number of factors, but a reasonable average would be around 80,000.