Quarts, cubic feet, lbs, liters, it's all Greek to me. - Knowledgebase Question

Glen Burnie, Ma
Question by mymistye
April 22, 2010
I find its hard to buy the most for my money when I don't know how much I'm getting. When I try to buy potting soil, one store has a package measured in cubic feet then another has it measured in qts. Then another has it in liters. My math skills are not the best to calculate. Help me please?


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Answer from NGA
April 22, 2010

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Quarts is a measure of volume; pounds is a measure of weight. There is no standard conversion. The rate of quarts per pound will actually depend upon the density of the soil. A denser soil will weigh more; and therefore convert to less quarts per pound.

Based on my research on potting soil, each quart weights approximately 0.875 pounds; thus, 10 pounds means roughly 11.43 quarts. 10 Quarts equals 9.4 Liters. There are about 25 and 3/4 dry quarts in a cubic foot. A 20 dry quarts package of potting soil is approximately 3/4 of a cubic foot. Still confused? Potting soil is usually less expensive in the larger bags. Here's how many containers one cubic foot of potting soil will fill: Standard round pots; 2 1/4-inch: 256, 4-inch: 48, 8-inch: 6. Hanging baskets; 8-inch: 11, 10-inch: 5. Seedling trays; 20-row tray: 11. Germination flats; Standard flat: 7.

Hope this helps!

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