1 TB = 1,000,000,000,000 bytes
Terabytes (TB) Conversion
Terabyte is the unit of digital information with prefix tera (10¹²). 1 Terabyte is equal to 10¹² bytes = 1,000,000,000,000 bytes in decimal (SI). 1 Terabyte is equal to 2⁴⁰ bytes = 1,099,511,627,776 bytes in binary. Also see: Gigabytes.
Terabyte at a Glance
- Symbol
- TB
- System
- Decimal (SI)
- Definition
- 1,000⁴ bytes = 10¹² bytes
- Exact value
- 1,000,000,000,000 bytes · 8,000,000,000,000 bits
- Binary twin
- Tebibyte (TiB) 1 TB ≈ 0.9095 TiB
- Used for
- External hard drives, NAS storage, video libraries, enterprise backups
Read Your TB Value in Every Other Unit
Type to narrow, everything else stays on screen
| Fundamental | ||
|---|---|---|
| Bit (b) | 8,000,000,000,000 | b |
| Nibble (nibble) | 2,000,000,000,000 | nibble |
| Byte (B) | 1,000,000,000,000 | B |
| Decimal (SI) | ||
| Kilobyte (KB) | 1,000,000,000 | KB |
| Megabyte (MB) | 1,000,000 | MB |
| Gigabyte (GB) | 1,000 | GB |
| Petabyte (PB) | 0.001 | PB |
| Exabyte (EB) | 0.000001 | EB |
| Zettabyte (ZB) | 0.000000001 | ZB |
| Yottabyte (YB) | 1.0000e-12 | YB |
| Binary (IEC) | ||
| Kibibyte (KiB) | 976,562,500 | KiB |
| Mebibyte (MiB) | 953,674.316406 | MiB |
| Gibibyte (GiB) | 931.322575 | GiB |
| Tebibyte (TiB) | 0.909494702 | TiB |
| Pebibyte (PiB) | 0.000888178 | PiB |
| Exbibyte (EiB) | 0.000000867 | EiB |
| Zebibyte (ZiB) | 8.4703e-10 | ZiB |
| Yobibyte (YiB) | 8.2718e-13 | YiB |
| Decimal Bits | ||
| Kilobit (Kb) | 8,000,000,000 | Kb |
| Megabit (Mb) | 8,000,000 | Mb |
| Gigabit (Gb) | 8,000 | Gb |
| Terabit (Tb) | 8 | Tb |
| Petabit (Pb) | 0.008 | Pb |
| Exabit (Eb) | 0.000008 | Eb |
| Zettabit (Zb) | 0.000000008 | Zb |
| Yottabit (Yb) | 8.0000e-12 | Yb |
| Binary Bits | ||
| Kibibit (Kib) | 7,812,500,000 | Kib |
| Mebibit (Mib) | 7,629,395 | Mib |
| Gibibit (Gib) | 7,450.580597 | Gib |
| Tebibit (Tib) | 7.275958 | Tib |
| Pebibit (Pib) | 0.007105427 | Pib |
| Exbibit (Eib) | 0.000006939 | Eib |
| Zebibit (Zib) | 0.000000007 | Zib |
| Yobibit (Yib) | 6.6174e-12 | Yib |
Terabyte (TB) Among Data Storage Units
What Is a Terabyte (TB)? Definition and Size
A terabyte is 1,000 gigabytes or 1,000,000,000,000 bytes. Common size for modern hard drives and SSDs. The TB symbol is widely used in computing to represent terabytes, making it essential for storage calculations and data transfer planning. Related: Bytes.
Understanding how terabytes relate to other storage units helps when sizing drives, planning backups, or estimating download times. Whether you're working with decimal (SI) units, accurate conversion is crucial for proper capacity planning.
Common uses: External hard drives, NAS storage, video libraries, enterprise backups See also: Yottabytes.
1 terabyte (TB) = 1,000,000,000,000 bytes — the terabyte storage unit definition used across this data storage converter.
Quick Facts: Terabyte (TB) Storage Unit
- Symbol: TB
- Unit type: Decimal (SI) — Base 1000
- 1 Terabyte = 1,000,000,000,000 bytes
- 1 Terabyte = 1,000,000,000 kilobytes (KB)
- Category: data storage converter, digital capacity calculator
How to Use the Terabyte Storage Converter
- Enter a terabyte (TB) value in the converter above.
- All 35 data storage equivalents — bits, bytes, kilobytes, megabytes, gigabytes, terabytes and beyond — update instantly.
- Click any storage unit link below for a dedicated TB-to-unit conversion page with formula and table.
Terabyte at a Glance
| Symbol | TB |
|---|---|
| Type | Decimal (SI) — Base 1000 |
| Bytes equivalent | 1,000,000,000,000 bytes |
| Common uses | External hard drives, NAS storage, video libraries, enterprise backups |
Terabyte (TB) vs Tebibyte (TiB): Decimal (SI) vs Binary (IEC)
Tebibyte (TiB) is 10.0% larger than Terabyte (TB). Tebibyte uses base 1024 (binary/IEC — common in Windows and RAM specs); Terabyte uses base 1000 (decimal/SI — the standard storage manufacturers advertise).
| Unit | Symbol | Base | Bytes |
|---|---|---|---|
| Terabyte | TB | 1000 | 1,000,000,000,000 |
| Tebibyte | TiB | 1024 | 1,099,511,627,776 |
Terabytes (TB) to Bytes, KB, MB, GB, TB — Conversion Table
| TB | Bytes | KB | MB | GB | TB |
|---|---|---|---|---|---|
| 1 | 1,000,000,000,000 | 1,000,000,000 | 1,000,000 | 1,000 | 1 |
| 5 | 5,000,000,000,000 | 5,000,000,000 | 5,000,000 | 5,000 | 5 |
| 10 | 10,000,000,000,000 | 10,000,000,000 | 10,000,000 | 10,000 | 10 |
| 25 | 25,000,000,000,000 | 25,000,000,000 | 25,000,000 | 25,000 | 25 |
| 50 | 50,000,000,000,000 | 50,000,000,000 | 50,000,000 | 50,000 | 50 |
| 100 | 100,000,000,000,000 | 100,000,000,000 | 100,000,000 | 100,000 | 100 |
| 500 | 500,000,000,000,000 | 500,000,000,000 | 500,000,000 | 500,000 | 500 |
| 1,000 | 1,000,000,000,000,000 | 1,000,000,000,000 | 1,000,000,000 | 1,000,000 | 1,000 |
FAQs: Terabyte (TB) Storage Conversion
How many bytes are in 1 terabyte?
1 Terabyte (TB) equals 1,000,000,000,000 bytes.
How do I convert terabytes to other data storage units?
Enter a value in the terabytes field above — the converter instantly recalculates the equivalent in all 35 storage units, from bits to yottabytes, using the TB to bits conversion factor.
Is a terabyte the same as a byte?
No. 1 terabyte (TB) equals 1,000,000,000,000 bytes, not a single byte.
What is a terabyte (TB) commonly used for?
External hard drives, NAS storage, video libraries, enterprise backups.
What is the difference between Terabyte (TB) and Tebibyte (TiB)?
Tebibyte (TiB) is 10.0% larger than Terabyte (TB). Terabyte is the decimal (SI) unit, base 1000, while Tebibyte is the binary (IEC) unit, base 1024.
Convert Terabytes to Any Other Unit
Every TB conversion page is one click away.