Updated: 12/20/2017 by Computer Hope

Exa is a prefix used with the metric system that stands for 1,000,000,000,000,000,000 (quintillion) or 1018. A good example of where this prefix is used with computers is with an EB (exabyte).

What prefix is before an exa?

An peta is the prefix used before an exa.

What prefix is after an exa?

A zetta is the prefix used after an exa.

Related pages

Exabyte, Measurements