Convert Petabyte to Terabyte (PB → TB)

The petabyte rates large data centers, scientific archives, and major social-media storage systems worldwide.

Petabyte

Terabyte

1,000

1 PB1,000 TBNIST · BIPM accuracy

Petabyte to Terabyte Conversion Table

10 common values

Petabyte	Terabyte
1 PB	1,000 TB
10 PB	10,000 TB
100 PB	100,000 TB
500 PB	500,000 TB
1,000 PB	1,000,000 TB
5,000 PB	5,000,000 TB
10,000 PB	10,000,000 TB
50,000 PB	50,000,000 TB
100,000 PB	100,000,000 TB
500,000 PB	500,000,000 TB

How to Convert Petabyte to Terabyte Manually

Step by Step

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

Practical Examples

1 PB

equals

1,000 TB

5 PB

equals

5,000 TB

10 PB

equals

10,000 TB

25 PB

equals

25,000 TB

100 PB

equals

100,000 TB

Formula

Multiply the value in petabytes by 1,000. For the reverse direction, multiply by 0.001.

ForwardTB = PB × 1,000

ReversePB = TB × 0.001

Example: 10 PB × 1,000 = 10,000 TB

Tips

Use these in everyday conversions

1 PB = 1000 TB = 10¹⁵ B.
PiB uses binary multiples — rare in everyday context.
Scale beyond PB: EB (exabyte, 10¹⁸) and ZB (zettabyte, 10²¹).

Common Mistakes

Avoid these

Using PB when TB suffices — everyday use rarely needs PB.
Mixing PB and PiB — 12.6% difference.
Ignoring tape vs spinning-disk storage economics at PB scale.

About Petabyte and Terabyte

What is the Petabyte?

The petabyte (PB) equals 1,000 terabytes (10¹⁵ bytes decimal) and rates large data centers, scientific research archives, and major social-media storage systems worldwide. The Large Hadron Collider generates about 30 petabytes of data per year, the U.S. Library of Congress digital collection is in the petabytes range, and major cloud-storage providers manage exabytes (1,000 PB) of data across their fleets. A petabyte could store roughly 250 million MP3 songs or about 13.3 years of HD video. The petabyte relates to the terabyte (1,000 TB = 1 PB), the exabyte (1,000 PB = 1 EB), and the gigabyte (10⁶ GB = 1 PB). Modern hyperscale data centers (Google, Amazon AWS, Microsoft Azure, Meta) store hundreds of petabytes per facility. The next consumer milestone — the petabyte hard drive — is expected within the next decade.

Cloud-provider storage capacity
Scientific datasets (CERN, genomics)
Media archives and streaming libraries

Real-world examples

Netflix total catalog: many PB. CERN LHC data: 100+ PB/year. YouTube uploads: EB scale now.

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.