Web35 rowshow big is 40 quarts? How many cubic feet are in 40 u. s. This simple calculator will allow you to easily convert 40 qts to cu ft. Web40 qt to cu ft conversion result above is displayed in three different forms: As a decimal (which could be rounded), in scientific notation (scientific form, standard index form or. 1 quarts = 0. 033420138888889 cubic feet using the online calculator for metric conversions. Check the chart for more details. Webinstant free online tool for quart (us) to cubic foot conversion or vice versa. The quart (us) [qt (us)] to cubic foot [ft^3] conversion table and conversion steps are also. Webto convert cubic feet to quarts, multiply the cubic foot value by 29. 9220779. For example, to convert 2 cubic feet to quarts, multiply 29. 9220779 by 2, that makes 59. 84 quarts equal. Webtype in the amount you want to convert and press the convert button.