Convert Terabyte to Byte (TB → B)

The terabyte is the standard unit for hard drives, video archives, and consumer cloud-storage subscriptions.

Terabyte

Byte

1,000,000,000,000

1 TB1,000,000,000,000 BNIST · BIPM accuracy

Terabyte to Byte Conversion Table

10 common values

Terabyte	Byte
1 TB	1,000,000,000,000 B
10 TB	10,000,000,000,000 B
100 TB	100,000,000,000,000 B
500 TB	500,000,000,000,000 B
1,000 TB	1,000,000,000,000,000 B
5,000 TB	5,000,000,000,000,000 B
10,000 TB	10,000,000,000,000,000 B
50,000 TB	50,000,000,000,000,000 B
100,000 TB	100,000,000,000,000,000 B
500,000 TB	500,000,000,000,000,000 B

How to Convert Terabyte to Byte Manually

Step by Step

Converting terabytes to bytes is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.

1
Take your value in terabytes
Start with the number of terabytes (TB) you want to convert.
2
Multiply by 1,000,000,000,000
The conversion factor from TB to B is 1,000,000,000,000. Multiply your value by this number.
3
Read the result in bytes
The result is your value in bytes (B).

Practical Examples

1 TB

equals

1,000,000,000,000 B

5 TB

equals

5,000,000,000,000 B

10 TB

equals

10,000,000,000,000 B

25 TB

equals

25,000,000,000,000 B

100 TB

equals

100,000,000,000,000 B

Formula

Multiply the value in terabytes by 1,000,000,000,000. For the reverse direction, multiply by 1 × 10^-12.

ForwardB = TB × 1,000,000,000,000

ReverseTB = B × 1 × 10^-12

Example: 10 TB × 1,000,000,000,000 = 10,000,000,000,000 B

Tips

Use these in everyday conversions

1 TB = 1000 GB (SI). 1 TiB = 1024 GiB.
TB drives formatted show less in OS (binary vs SI).
Archival/backup workflows typically measured in TB.

Common Mistakes

Avoid these

Expecting a 1 TB drive to hold 1 TiB — actually 931 GiB formatted.
Buying a TB drive for backup without considering RAID overhead.
Confusing TB with Tb (terabit, 1/8).

About Terabyte and Byte

What is the Terabyte?

The terabyte (TB) equals 1,000 gigabytes (10¹² bytes decimal, or 1,099,511,627,776 bytes as TiB binary) and is the standard unit for hard drives, video archives, and consumer cloud-storage subscriptions. Modern hard drives ship in 1–20 TB capacities, SSD drives commonly come in 0.5–8 TB sizes, and cloud-storage tiers offer 1, 2, or unlimited TB plans. Professional video editors store raw footage in tens of TB. The terabyte relates to the gigabyte (1,000 GB = 1 TB), the petabyte (1,000 TB = 1 PB), and the terabit (1 TB = 8 Tbit). Streaming services like Netflix process petabytes of bandwidth per day. The first 1-TB hard drive shipped in 2007 (Hitachi Deskstar 7K1000); today, 8-TB consumer drives cost less than $200.

Desktop HDDs and SSDs
Home NAS storage
Cloud-storage tiers

Real-world examples

Desktop HDD: 1–20 TB. Typical NAS: 4–48 TB. Cloud-storage plans: often 1–2 TB.

What is the Byte?

The byte equals 8 bits and is the smallest addressable storage unit in modern computing and digital systems. Byte-sized addresses are universal in computer architectures from microcontrollers to supercomputers, making the byte the fundamental block of memory and storage. A single ASCII character is 1 byte (256 possible values), basic UTF-8 characters use 1–4 bytes, and a UTF-16 character uses 2 bytes. File sizes, RAM capacity, and disk space are all measured in bytes and their multiples. The byte relates to the bit (1 byte = 8 bits), the kilobyte (1,000 or 1,024 bytes — see decimal vs. binary), the kibibyte (1,024 bytes, the strict computing standard), and larger multiples (MB, GB, TB). Note: storage manufacturers use decimal (1 GB = 10⁹ bytes), while operating systems often use binary (1 GiB = 2³⁰ bytes), causing the famous discrepancy where a '1 TB drive' shows about 931 GB free.