0.0000000000000000000000000000009999999999999999 GA
1 zA (zeptoampere) is equal to 0.0000000000000000000000000000009999999999999999 GA (gigaampere). To convert from zeptoampere to gigaampere, multiply by 0.000000000000000000000000000001 or divide by 999,999,999,999,999,900,000,000,000,000.