Exabytes (EB)
The exabyte (EB) is 1,000,000,000,000,000,000 bytes under the SI (decimal) definition used by storage manufacturers, network equipment and macOS.
Convert exabytes to any data unit
1 exabyte = 1,000,000,000 gigabytes
Quick facts
- Unit
- Exabyte (plural: exabytes)
- Symbol
- EB
- Measures
- Information / Data
- System
- Decimal (SI)
- Equals
- 1 × 1018 bytes
- Definition
- 1,000,000,000,000,000,000 bytes (10^18), the SI definition.
1 exabyte in other units
| Gigabytes | 1,000,000,000 GB |
| Megabytes | 1,000,000,000,000 MB |
| Bytes | 1 × 1018 B |
| Terabytes | 1,000,000 TB |
| Bits | 8 × 1018 bit |
| Kilobytes | 1 × 1015 kB |
| Gigabits | 8,000,000,000 Gbit |
| Megabits | 8,000,000,000,000 Mbit |
What is an exabyte?
The exabyte (EB) is 1,000,000,000,000,000,000 bytes under the SI (decimal) definition used by storage manufacturers, network equipment and macOS. Windows still reports sizes with 1024-based units but labels them EB, which is why a new drive shows less space than advertised. The binary counterpart is the exbibyte (EiB).
Where the exabyte sits among data units
The exabyte is number 51 of 64 on our scale of data units, ordered from smallest to largest.
Exabytes in real life
- Global internet traffic is several hundred exabytes per month.
One exabyte is about 5 Internet Archives.
Top exabyte conversions
Common amounts of exabytes
Convert exabytes to all 63 other units
Bits & bytes
- EB to B
- EB to bit
- EB to nibble
- EB to o
- EB to block
- EB to word (16-bit)
- EB to DWORD
- EB to QWORD
- EB to crumb
- EB to memory page
- EB to octaword
Decimal (SI)
- EB to GB
- EB to MB
- EB to TB
- EB to kB
- EB to Gbit
- EB to Mbit
- EB to Tbit
- EB to kbit
- EB to PB
- EB to Pbit
- EB to Ebit
- EB to ZB
- EB to YB
- EB to Zbit
- EB to Ybit
- EB to QB
- EB to RB
- EB to Qbit
- EB to Rbit
Binary (IEC)
- EB to GiB
- EB to MiB
- EB to KiB
- EB to TiB
- EB to PiB
- EB to Gibit
- EB to Mibit
- EB to EiB
- EB to Kibit
- EB to Tibit
- EB to YiB
- EB to ZiB
- EB to Pibit
- EB to Eibit
- EB to Yibit
- EB to Zibit
Legacy binary (JEDEC)
Information theory
Media & everyday comparisons
Convert to exabytes
Frequently asked questions
What is an exabyte?
The exabyte (EB) is 1,000,000,000,000,000,000 bytes under the SI (decimal) definition used by storage manufacturers, network equipment and macOS.
How is the exabyte defined?
1,000,000,000,000,000,000 bytes (10^18), the SI definition.
How many gigabytes are in an exabyte?
One exabyte equals 1,000,000,000 gigabytes.
How many megabytes are in an exabyte?
One exabyte equals 1,000,000,000,000 megabytes.
How many bytes are in an exabyte?
One exabyte equals 1e18 bytes.