Atto to Giga Converter

Atto (symbolized by 'a') is a unit prefix in the metric system refers to 10⁻¹⁸ or 0.000000000000000001. This case law was adopted during the twelfth meeting of the General Conference on Weights and Measures in 1964.

The origin of the word:

The word Atto came from the Danish word 'atten', which means 'eighteen', because it equals 10⁻¹⁸.

Usage examples:

Weight of HIV-1 is approximately 1 x 10⁻¹⁸ kg or 1 x 10⁻¹⁵ g, which can be written in 1 fg or 1000 ag.

Giga- is a decimal unit prefix in the metric system denoting multiplication by 10⁹ or 1000000000. Added as a unit prefix in the international unit system in 1960, symbolized by 'G'.

Formula 1:-

G = a / 1.0E+27

Formula 2:-

G = a * 1.0E-27

Here's how to convert 5 Atto to Giga using the formula 1 and formula 2.
Example:: 5 a = ? G

Using Formula 1:-

5 a = (5 ÷ 1.0E+27) G = 5.0E-27 G

Using Formula 2:-

5 a = (5 × 1.0E-27) G = 5.0E-27 G