Convert 1 deka to atto

10,000,000,000,000,000,000 a

1 da (deka) is equal to 10,000,000,000,000,000,000 a (atto). To convert from deka to atto, multiply by 10,000,000,000,000,000,000 or divide by 0.00000000000000000010000000000000001.