Atto to Kilo Converter

Atto (abbreviation: 'a') is the SI prefix in the International System of Units, denoting the decimal power of 10⁻¹⁸.

Examples are one attosecond (1 as) or one attometer (1 am). The name of the prefix comes from the Danish word 'atten', which means 'eighteen'.

Kilo- is a decimal unit prefix in the metric system denoting multiplication by 10³ or 1000. Added as a unit prefix in the international unit system in 1795, symbolized by 'k'.

Formula 1:-

k = a / 1.0E+21

Formula 2:-

k = a * 1.0E-21

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

Using Formula 1:-

5 a = (5 ÷ 1.0E+21) k = 5.0E-21 k

Using Formula 2:-

5 a = (5 × 1.0E-21) k = 5.0E-21 k