47 is average
Mason jars come in a variety of sizes. The question needs to be more specific.
A pint glass typically holds around 473 milliliters of liquid.
Pints are a measure of liquid volume. Pounds is a measure of weight/mass. They don't convert directly because of density. Beans could be lighter or heavier then water, which would be 16 ounces to a pint.
A pint is larger.
At least 300.
45
There is approximately 32 oz in a pint because 16oz is in a cup and two cups are in a pint.
There are two cups in a pint.
Approx 115 beans.
In a glass
There are about 568 millilitres in a pint in Ireland. A pint is sold in a pint glass, which in Ireland is just over 19 US ounces or exactly 20 Imperial ounces. You can also get half pint glasses in pubs in Ireland.