It depends on what you are measuring. Cups is a measure of volume. Pounds measures weight/mass. Water would be two cups per pound at standard temperature.
That is 4 cups.
About 2.1 cups
About 20 cups.
That is 1.8 cups
an average of about 3 to 8
Approximately 2. cups.
That is approximately 1.246 cups.
That is approximately 18.824 cups
1.3 pounds of water is 2.6 cups
two
4
15