💾 Data Storage converter

Terabyte to Petabyte Converter

Convert terabytes (TB) to petabytes (PB) instantly with the exact formula, a conversion table and chart.

TB

Results

Petabytes
0.001 PB
Same value in every unit

📊 Terabyte to Petabyte chart

Terabyte to Petabyte — plotted against terabyte (tb).

How to convert terabytes to petabytes

To convert terabytes to petabytes, multiply by 0.001. Data size conversions matter for file uploads, cloud storage plans, hard drives and internet usage. Decimal (SI) prefixes are used: 1 KB = 1,000 bytes.

PB = TB × 0.001 TB = PB ÷ 0.001
Terabyte to Petabyte conversion – TB to PB formula illustration
Terabyte (TB) → Petabyte (PB) at a glance.

Terabyte to Petabyte conversion table

Terabyte (TB)Petabyte (PB)
0.1 TB0.0001 PB
0.5 TB0.0005 PB
1 TB0.001 PB
2 TB0.002 PB
3 TB0.003 PB
4 TB0.004 PB
5 TB0.005 PB
10 TB0.01 PB
20 TB0.02 PB
25 TB0.025 PB
50 TB0.05 PB
100 TB0.1 PB
500 TB0.5 PB
1,000 TB1 PB

About the units

Terabyte (TB)

A terabyte is 1,000 gigabytes, the typical size of modern hard drives and SSDs.

Petabyte (PB)

A petabyte is 1,000 terabytes, used for data centers and big-data archives.

How to use this converter

  1. Type the number of terabytes (TB) in the input box.
  2. The result in petabytes appears instantly — no button needed.
  3. See the same value in every other data storage unit just below.
  4. Use “Swap units” to convert petabytes back to terabytes.

Tips for better results

  • Double-check which system a unit belongs to (for example US vs UK gallons).
  • Use the swap button to convert in the opposite direction instantly.
  • Bookmark the conversions you use most — each pair has its own page.

Frequently asked questions

How many petabytes are in one terabyte?

One terabyte equals 0.001 petabytes. 0.001 is the exact factor used by this converter.

How do I convert terabytes to petabytes?

Multiply the value in terabytes by 0.001. To go the other way, multiply petabytes by 1,000.

What is 10 TB in PB?

10 TB = 0.01 PB. Also, 5 TB = 0.005 PB and 100 TB = 0.1 PB.

What is the difference between a terabyte and a petabyte?

A terabyte is 1,000 gigabytes, the typical size of modern hard drives and SSDs. A petabyte is 1,000 terabytes, used for data centers and big-data archives.

Is this tool free and private?

Yes — the Terabyte to Petabyte is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

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