There is no standard answer because the density of the pellets vary too much. Take a quart of your feed and weigh it on a kitchen scale to get an accurate weight.
you should probably be feeding your horse grain instead of liquids
There is no one standard weight for pelleted horse feed. This is due to the size of the pellets, how moist they are and what is in them. Horses should be fed by weight and not by the scoop so it is best to weigh out one whole scoop on a scale to see how much your pelleted feed weighs.
1 quart (0.946 litres or 0.946 kilograms)
8
About 2.08 lbs.
2lbs.
1.5 lbs
7 lbs
The mass is 18,753 kg.
4quarts in a gallon and quarts would weigh different amounts depending on whats in the quart like a quart of water will weigh less than a quart of custard
If one quart equals 57.75 cubic inches, and one cubic inch of mercury weighs .49 lbs , then one quart of mercury should weigh about 28.3 lbs.