Pebibit to Terabit Converter

Convert pebibits to terabits with our free online data storage converter.

Quick Answer

1 Pebibit = 1125.899907 terabits

Formula: Pebibit × conversion factor = Terabit

Use the calculator below for instant, accurate conversions.

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All conversion formulas on UnitsConverter.io have been verified against NIST (National Institute of Standards and Technology) guidelines and international SI standards. Our calculations are accurate to 10 decimal places for standard conversions and use arbitrary precision arithmetic for astronomical units.

Last verified: December 2025Reviewed by: Sam Mathew, Software Engineer

Pebibit to Terabit Calculator

How to Use the Pebibit to Terabit Calculator:

  1. Enter the value you want to convert in the 'From' field (Pebibit).
  2. The converted value in Terabit will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Data Storage category.
  4. Click the swap button (⇌) to reverse the conversion direction.
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How to Convert Pebibit to Terabit: Step-by-Step Guide

Converting Pebibit to Terabit involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

1 Pebibit = 1125.9 terabits

Example Calculation:

Convert 10 pebibits: 10 × 1125.9 = 1.1259e+4 terabits

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

What is a Pebibit and a Terabit?

A pebibit (Pib) is a unit of digital information equal to 250 bits, which is exactly 1,125,899,906,842,624 bits. It uses the binary prefix 'pebi-' established by the International Electrotechnical Commission (IEC). The pebibit is closely related to the petabit (Pb), which is defined using the decimal prefix 'peta-' (1015 or 1,000,000,000,000,000 bits).

A terabit (Tb or Tbit) is a multiple of the bit unit for digital information or computer storage. The prefix tera- (symbol T) is defined in the International System of Units (SI) as a multiplier of 1012 (1 trillion, or 1 followed by 12 zeros). Therefore, 1 terabit = 1,000,000,000,000 bits. This is equivalent to 1,000 gigabits (Gb).

Note: The Pebibit is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Terabit belongs to the imperial/US customary system.

History of the Pebibit and Terabit

The prefix 'pebi-' (representing 250) was defined by the IEC in 1998 along with other binary prefixes (kibi-, mebi-, gibi-, tebi-, exbi-). This standardization aimed to eliminate the confusion caused by using SI prefixes (like kilo-, mega-, giga-, tera-, peta-) to denote both powers of 1000 (decimal) and powers of 1024 (binary) in computing contexts, especially for large quantities of data. The term 'pebibit' specifically refers to the 250 multiple of bits.

The SI prefix 'tera-' (meaning 1012) was adopted for use in computing as data scales grew into the trillions of bits. Initially, 'tera-' was sometimes used ambiguously to refer to either 1012 or the nearest power of 2 (240). This ambiguity led the International Electrotechnical Commission (IEC) to introduce the binary prefix 'tebi-' (Ti) specifically for 240, clarifying that terabit (Tb) strictly refers to 1012 bits.

Common Uses and Applications: pebibits vs terabits

Explore the typical applications for both Pebibit (imperial/US) and Terabit (imperial/US) to understand their common contexts.

Common Uses for pebibits

Pebibits are used in contexts dealing with extremely large amounts of data where binary precision is crucial:

  • Specifying the capacity of very large-scale storage systems or data archives at the bit level in technical documentation.
  • Calculations in high-performance computing (HPC), large dataset analysis, and scientific simulations involving massive bit streams.
  • Theoretical calculations in computer science, information theory, and advanced data transmission analysis.
  • Ensuring accuracy when comparing binary (Pib) and decimal (Pb) data quantities in contexts like large network traffic analysis or storage capacity planning. While petabits (Pb) are more common for network throughput (Pbps), pebibits provide precision for binary-based storage or memory calculations at this scale.

When to Use terabits

Terabits are commonly used in contexts involving high-capacity data transmission and large-scale data measurement:

  • Measuring the data transfer rates of high-speed networks, internet backbones, and data center interconnects (often expressed in Tbps - terabits per second).
  • Quantifying the throughput of network equipment like routers and switches.
  • Describing the capacity of optical fiber communication systems.
  • Sometimes used alongside terabytes (TB) in marketing large storage devices, although TB (bytes) is more common for capacity.
  • Discussing large datasets in scientific computing and big data analytics, particularly concerning transmission speeds.

Additional Unit Information

About Pebibit (Pib)

How many bits are in a pebibit?

There are exactly 250 bits in 1 pebibit (Pib). This equals 1,125,899,906,842,624 bits.

How many tebibits (Tib) are in a pebibit (Pib)?

There are 1,024 tebibits (Tib) in 1 pebibit (Pib). This is because 1 Pib = 250 bits and 1 Tib = 240 bits, and 250 / 240 = 210 = 1,024.

What is the difference between a pebibit (Pib) and a petabit (Pb)?

A pebibit (Pib) represents 250 bits (1,125,899,906,842,624 bits), using the binary prefix 'pebi-'. A petabit (Pb) represents 1015 bits (1,000,000,000,000,000 bits), using the decimal prefix 'peta-'. A pebibit is approximately 12.6% larger than a petabit (1 Pib ≈ 1.126 Pb).

What is the difference between a pebibit (Pib) and a pebibyte (PiB)?

A pebibit (Pib) measures information in bits, while a pebibyte (PiB) measures information in bytes. Assuming the standard 1 byte = 8 bits, 1 pebibyte (PiB) is equal to 8 pebibits (Pib). Both use the binary prefix 'pebi-' (250).

About Terabit (Tb)

How many bits are in a terabit?

There are exactly 1,000,000,000,000 bits (one trillion bits, or 1012 bits) in 1 terabit (Tb), according to the standard SI definition of the prefix 'tera-'.

What is the difference between a terabit (Tb) and a terabyte (TB)?

  • A terabit (Tb) measures data in bits and equals 1012 bits. It is commonly used for data transfer rates.
  • A terabyte (TB) measures data in bytes. According to SI standards, it equals 1012 bytes. It is typically used for measuring storage capacity. (Note: The term tebibyte (TiB) correctly refers to 240 bytes).

Since 1 byte = 8 bits, 1 terabyte (1012 bytes) is equal to 8 x 1012 bits, or 8 terabits. Therefore, a terabyte represents 8 times more data than a terabit.

What is the difference between a terabit (Tb) and a tebibit (Tib)?

  • A terabit (Tb) uses the decimal SI prefix 'tera-' and equals 1012 bits (1,000,000,000,000 bits).
  • A tebibit (Tib) uses the binary IEC prefix 'tebi-' and equals 240 bits (1,099,511,627,776 bits).

A tebibit is approximately 9.95% larger than a terabit (1 Tib ≈ 1.0995 Tb). Use Tb for contexts adhering to decimal standards (like network speeds) and Tib when precise binary multiples (powers of 2) are required (often related to memory or specific storage architectures).

How many gigabits (Gb) are in a terabit (Tb)?

There are 1,000 gigabits (Gb) in 1 terabit (Tb). This is derived from the SI prefixes: 1 Tb = 1012 bits and 1 Gb = 109 bits. Therefore, 1 Tb / 1 Gb = 1012 / 109 = 103 = 1,000.

Conversion Table: Pebibit to Terabit

Pebibit (Pib)Terabit (Tb)
0.5562.95
11,125.9
1.51,688.85
22,251.8
55,629.5
1011,258.999
2528,147.498
5056,294.995
100112,589.991
250281,474.977
500562,949.953
1,0001,125,899.907

People Also Ask

How do I convert Pebibit to Terabit?

To convert Pebibit to Terabit, enter the value in Pebibit in the calculator above. The conversion will happen automatically. Use our free online converter for instant and accurate results. You can also visit our data storage converter page to convert between other units in this category.

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What is the conversion factor from Pebibit to Terabit?

The conversion factor depends on the specific relationship between Pebibit and Terabit. You can find the exact conversion formula and factor on this page. Our calculator handles all calculations automatically. See the conversion table above for common values.

Can I convert Terabit back to Pebibit?

Yes! You can easily convert Terabit back to Pebibit by using the swap button (⇌) in the calculator above, or by visiting our Terabit to Pebibit converter page. You can also explore other data storage conversions on our category page.

Learn more →

What are common uses for Pebibit and Terabit?

Pebibit and Terabit are both standard units used in data storage measurements. They are commonly used in various applications including engineering, construction, cooking, and scientific research. Browse our data storage converter for more conversion options.

For more data storage conversion questions, visit our FAQ page or explore our conversion guides.

All Data Storage Conversions

Bit to ByteBit to KilobitBit to KilobyteBit to MegabitBit to MegabyteBit to GigabitBit to GigabyteBit to TerabitBit to TerabyteBit to PetabitBit to PetabyteBit to ExabitBit to ExabyteBit to KibibitBit to KibibyteBit to MebibitBit to MebibyteBit to GibibitBit to GibibyteBit to TebibitBit to TebibyteBit to PebibitBit to PebibyteBit to ExbibitBit to ExbibyteByte to BitByte to KilobitByte to KilobyteByte to MegabitByte to MegabyteByte to GigabitByte to GigabyteByte to TerabitByte to TerabyteByte to PetabitByte to PetabyteByte to ExabitByte to ExabyteByte to KibibitByte to KibibyteByte to MebibitByte to MebibyteByte to GibibitByte to GibibyteByte to TebibitByte to TebibyteByte to PebibitByte to PebibyteByte to ExbibitByte to ExbibyteKilobit to BitKilobit to ByteKilobit to KilobyteKilobit to MegabitKilobit to MegabyteKilobit to GigabitKilobit to GigabyteKilobit to TerabitKilobit to TerabyteKilobit to PetabitKilobit to PetabyteKilobit to ExabitKilobit to ExabyteKilobit to KibibitKilobit to KibibyteKilobit to MebibitKilobit to MebibyteKilobit to GibibitKilobit to GibibyteKilobit to TebibitKilobit to TebibyteKilobit to PebibitKilobit to PebibyteKilobit to ExbibitKilobit to ExbibyteKilobyte to BitKilobyte to ByteKilobyte to KilobitKilobyte to MegabitKilobyte to MegabyteKilobyte to GigabitKilobyte to GigabyteKilobyte to TerabitKilobyte to TerabyteKilobyte to PetabitKilobyte to PetabyteKilobyte to ExabitKilobyte to ExabyteKilobyte to KibibitKilobyte to KibibyteKilobyte to MebibitKilobyte to MebibyteKilobyte to GibibitKilobyte to GibibyteKilobyte to TebibitKilobyte to TebibyteKilobyte to PebibitKilobyte to PebibyteKilobyte to ExbibitKilobyte to ExbibyteMegabit to BitMegabit to ByteMegabit to KilobitMegabit to KilobyteMegabit to MegabyteMegabit to GigabitMegabit to GigabyteMegabit to TerabitMegabit to TerabyteMegabit to PetabitMegabit to PetabyteMegabit to ExabitMegabit to ExabyteMegabit to KibibitMegabit to KibibyteMegabit to MebibitMegabit to MebibyteMegabit to GibibitMegabit to GibibyteMegabit to Tebibit

Verified Against Authority Standards

All conversion formulas have been verified against international standards and authoritative sources to ensure maximum accuracy and reliability.

IEC 80000-13

International Electrotechnical CommissionBinary prefixes for digital storage (KiB, MiB, GiB)

ISO/IEC 80000

International Organization for StandardizationInternational standards for quantities and units

Last verified: December 3, 2025