1 Gfl oz (Gigaounce) is equal to 9,999,999,999.999998 dfl oz (Deciounce). To convert from Gigaounce to Deciounce, multiply by 10,000,000,000 or divide by 0.0000000001.
Nine Billion Nine Hundred Ninety-Nine Million Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Nine Point Nine Nine Nine Nine Nine Eight Deciounce