Trying to figure out what a PetaByte is? The following table of Decimal Naming Prefixes provides a quick reference.
| Prefix | Name | Abbrev | Scientific | Decimal |
| Unit | 1 | 1 | ||
| Kilo | Thousand | K | 1×103 | 1,000 |
| Mega | Million | M | 1×106 | 1,000,000 |
| Giga | Billion | G | 1×109 | 1,000,000,000 |
| Tera | Trillion | T | 1×1012 | 1,000,000,000,000 |
| Peta | P | 1×1015 | 1,000,000,000,000,000 | |
| Exa | E | 1×1018 | 1,000,000,000,000,000,000 | |
| Zeta | Z | 1×1021 | 1,000,000,000,000,000,000,000 | |
| Yotta | Y | 1×1024 | 1,000,000,000,000,000,000,000,000 |
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