We assume you are converting between cup [US] and gallon [US, liquid]. You can view more details on each measurement unit: cups or gallons. The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 4226.75281986 cups, or 264.172051242 gallons. Note that rounding errors may occur, so always check the results.
Prima facie is a Latin term meaning at first look, or on its face, and refers to evidence before trial which is sufficient to prove the case unless there is substantial contradictory evidence shown at trial. A prima facie case must be presented to Grand Jury by the prosecution in order to get an indictment.
First impression (known as primae impressionis in Latin) is a legal case in which there is no binding authority on the matter presented. Such a case can set forth a completely original issue of law for decision by the courts. A first impression case may be a first impression in only a particular jurisdiction.