Atto to Deka Conversion

Convert between Atto and Deka quickly and accurately.

a
da

How to Convert Atto to Deka

Conversion Formula

1 a = 1E-19 da
1 da = 1E+19 a

Example

Convert 15 a to da:

15 a = 15 × 1E-19 da = 2E-18 da

Unit Information

Learn about the prefixes units you're converting between

Atto

a

Definition

A metric prefix equal to 10^-18, representing one-quintillionth of the base unit.

History/Origin

Introduced in 1964 by the International Committee for Weights and Measures, derived from the Danish word "atten" meaning eighteen.

Current Use

Used in physics, chemistry, and nanotechnology for extremely small quantities.

Multiplier

1E-18

Offset

0

Deka

da

Definition

A metric prefix equal to 10^1, representing ten times the base unit.

History/Origin

Introduced in 1795 by the French Academy of Sciences, derived from the Greek word "deka" meaning ten.

Current Use

Used in some scientific measurements and engineering applications for moderate quantities.

Multiplier

10

Offset

0

Atto to Deka Conversion Table

Atto [a] Deka [da]
1 a 1E-19 da
10 a 1E-18 da
25 a 3E-18 da
50 a 5E-18 da
100 a 1E-17 da
0 a 0E+0 da
-10 a -1E-18 da
-40 a -4E-18 da