<page_title> Comparison of the imperial and US customary measurement systems </page_title> <section_title> Volume </section_title> <table> <cell> ≡ 128 US fl oz ≡ 126.1803928 US fl oz (food) ≡ 4 US qt ≡ 1 US gal ≡ 231 cu in <col_header> US fluid measures </col_header> <col_header> fluid ounces </col_header> <col_header> pints </col_header> <col_header> quarts </col_header> <col_header> gallons </col_header> <row_header> US liquid gallon (gal) </row_header> </cell> </table>
The American fluid gallon is equal to 231-cubic-inch.