Quecto

Updated: 12/31/2022 by Computer Hope
Quecto in exponential form.

Quecto (q) is a prefix used with the metric system that is 10-30, or .0000000000000000000000000000001 (nonillionth). The quecto prefix was added as an SI (Systems of Units) in 2022.

What is smaller than a quecto?

As of 2023, a quecto is the smallest SI unit and there is no prefix that comes before a quecto.

What is larger than a quecto?

With SI prefixes, ronto is larger than quecto.

What is quecto's non-decimal equivalent?

A quetta (Q) is the prefix used for 1030.

Measurements, Q, SI