Terabytes to Zettabytes
Convert Terabytes to Zettabytes instantly. Free online digital storage unit converter with exact formula, conversion table and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Use the converter to see the formula.
Results update instantly for Terabytes to Zettabytes conversions.
Reserved above the conversion cards and below the converter.
Formula
ZB = TB × 1 × 10-9
TB = ZB ÷ 1 × 10-9
Conversion table
| 1 TB | 1 × 10-9 ZB |
| 5 TB | 5 × 10-9 ZB |
| 10 TB | 1 × 10-8 ZB |
| 20 TB | 2 × 10-8 ZB |
| 50 TB | 5 × 10-8 ZB |
| 100 TB | 1 × 10-7 ZB |
| 500 TB | 5 × 10-7 ZB |
| 1000 TB | 0.000001 ZB |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is the terabyte (TB), a decimal unit of digital storage equal to 1,000 gigabytes, or 10^12 bytes.
What is the destination unit in this conversion?
The destination unit is the zettabyte (ZB), a decimal unit of digital storage equal to 1,000 exabytes, or 10^21 bytes.
How do I convert terabytes to zettabytes?
Multiply the terabyte value by 1 × 10-9 to get zettabytes. For example, 4 TB × 1 × 10-9 = 4 × 10-9 ZB.
Is the terabyte to zettabyte conversion exact?
It's exact under the decimal (SI) definitions used here, where each decimal storage prefix is a fixed factor of 1,000 from the next (and bytes are a fixed factor of 8 from bits).
Where is this conversion commonly used?
It's used for describing file sizes, storage drive capacity, RAM, network bandwidth, and internet data plans or downloads.
Can I convert zettabytes back to terabytes?
Yes. Divide the zettabyte value by 1 × 10-9 to get terabytes.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts terabytes (TB), a decimal unit of digital storage equal to 1,000 gigabytes, or 10^12 bytes, into zettabytes (ZB), a decimal unit of digital storage equal to 1,000 exabytes, or 10^21 bytes.
This conversion is used constantly when checking file sizes, storage drive and memory capacity, network bandwidth, and mobile or broadband data plan allowances.
The formula is ZB = TB × 1 × 10-9, based on the fixed relationship between these two digital storage units.
It's exact under the decimal (SI) definitions used here, where each decimal storage prefix is a fixed factor of 1,000 from the next (and bytes are a fixed factor of 8 from bits).
Digital storage prefixes follow the International System of Units (SI) for decimal units and the International Electrotechnical Commission (IEC) recommendations for binary units, keeping decimal and binary quantities unambiguous.