Updated: 12/10/2023 by Computer Hope
Metric prefixes including yotta

Yotta (Y) is a prefix used with the metric system that is 1024, or 1,000,000,000,000,000,000,000,000 (septillion). A good example of where this prefix is used with computers is with a YB (yottabyte). The yotta prefix was added as an SI (Systems of Units) in 1991.

What is smaller than a yotta?

With SI prefixes, zetta is smaller than yotta.

What is larger than a yotta?

With SI prefixes, ronna is larger than yotta.

What is yotta's decimal equivalent?

A yocto (y) is the prefix used for 10-24.

Measurements, SI, Y, Yottabyte