Convert from cubic foot to Teaspoon [UK]

Unit Definition (cubic foot)
The cubic foot is a traditional unit of volume in English speaking countries. One cubic foot equals 1728 in³, 1/27 yd³, 0.028 316 85 m³, or 28.316 85 liters. The cubic foot also holds about 7.4805 U.S. liquid gallons or about 6.2288 British Imperial gallons.

Unit Definition (Teaspoon [UK])
The teaspoon is a unit of volume used in food recipes. In Britain, a traditional teaspoonful in the kitchen was equal to 1/8 Imperial fluid ounce or approximately 3.55 milliliters, but the medical teaspoonful was usually 5 milliliters.