1 GA (gigaampere) is equal to 99,999,999,999.99998 cA (centiampere). To convert from gigaampere to centiampere, multiply by 99,999,999,999.99998 or divide by 0.000000000010000000000000001.
Ninety-Nine Billion Nine Hundred Ninety-Nine Million Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Nine Point Nine Nine Nine Nine Eight Centiampere