One flour sack size was 10 stones, that is, 140 pounds. Other uses in the US include the measurement by volume of salt, where one sack is 215 pounds (98 kg), cotton where one sack is 140 pounds (63.5 kg) and flour, where one sack is just 100 pounds (45.4 kg).

How much does a bag of flour cost?

All Purpose Flour – 50 lb.

$0.33 per pound, hard to beat price This is all purpose sifted flour. You can use it for most all your baking. At this present price and 25 pound bags, the cost is $0.33 cents per pound.

Cups per pound:There are 3 1/3 cups of flour per pound and about 6 2/3 cups per 2-lb bag.

13-gallon

Having just purchased these myself a standard bag of flour fits into the size labeled as 3.25 ( the other sizes are in ounces which doesn’t really help any one!) 3.25 L is 13.7 cups and holds the full bag although I couldn’t quite fit in the little measuring cup that comes with, when I had just put in a whole new bag.

How Many Cups in One Pound of Flour?

Cook’s Illustrated believes that there are about 5 ounces of all-purpose flour in one cup, meaning there would be about 16 cups in one five-pound bag. According to King Arthur Flour, one cup of all-purpose flour is the same as 4.25 ounces, meaning there are slightly less than 19 cups in one five-pound bag.

so therefore, 1 pound is 2 cups. This gives us 80 cents for 2 cups of flour.

What sifting does is aerates the flour (and other ingredients) to make them light. One cup of unsifted flour weighs 5 ounces, and 1 cup of sifted flour weighs 4 ounces. Sometimes recipes call for sifting flour with other ingredients such as baking soda and powder and salt.

Cups in a pound of all purpose flour