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Exabit to Terabyte Conversion Calculator: Free Online Tool

Convert exabits to terabytes with our free online data storage converter.

Exabit to Terabyte Calculator

Exabit
Terabyte

How to Use the Calculator:

  1. Enter the value you want to convert in the 'From' field (Exabit).
  2. The converted value in Terabyte 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.

How to Convert Exabit to Terabyte

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

Formula:

1 Exabit = 125000 terabytes

Example Calculation:

Convert 10 exabits: 10 × 125000 = 1250000 terabytes

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 Exabit and a Terabyte?

An exabit (Eb) is a unit of digital information equal to 1018 bits, or 1,000,000,000,000,000,000 bits (one quintillion bits). It uses the standard SI decimal prefix 'exa-'.

A terabyte (TB) is a multiple of the byte unit for digital information 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 terabyte = 1,000,000,000,000 bytes. This is equivalent to 1,000 gigabytes (GB).

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

History of the Exabit and Terabyte

The prefix 'exa-' (representing 1018) was adopted as an SI prefix by the General Conference on Weights and Measures (CGPM) in 1975. Its application to the bit (exabit) followed the increasing need to quantify extremely large amounts of digital information and data transfer rates in telecommunications and large-scale networking.

The SI prefix 'tera-' (meaning 1012) was adopted for use in computing as storage capacities reached trillions of bytes. Historically, the term 'terabyte' was often used ambiguously to refer to either 1012 bytes (the strict SI definition) or 240 bytes (1,099,511,627,776 bytes), which is the power of 2 closest to a trillion. This ambiguity, particularly noticeable in how operating systems reported disk sizes versus how manufacturers advertised them, led the International Electrotechnical Commission (IEC) to introduce the distinct binary prefix 'tebi-' (Ti) for 240. Thus, tebibyte (TiB) specifically denotes 240 bytes, while terabyte (TB) formally refers to 1012 bytes.

Common Uses for exabits and terabytes

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

Common Uses for exabits

Exabits are used to measure very large volumes of data, typically in contexts such as:

  • Total global internet traffic over extended periods (e.g., annually).
  • Aggregate data transfer across major international network backbones.
  • Theoretical capacities of future large-scale data storage systems or networks.
  • High-level discussions of data generated by large scientific projects (like particle physics or astronomy).

It is less common in consumer contexts compared to smaller units like gigabits or terabits.

Common Uses for terabytes

Terabytes are widely used to measure large amounts of digital data storage capacity:

  • Specifying the capacity of consumer and enterprise hard disk drives (HDDs) and solid-state drives (SSDs).
  • Measuring the size of large files, databases, archives, and backups.
  • Quantifying the storage space available in cloud storage plans and data centers.
  • Describing the amount of data transferred over networks or used in monthly internet data caps.
  • Indicating the capacity of personal computers, laptops, external drives, and network-attached storage (NAS) devices.

Frequently Asked Questions

Questions About Exabit (Eb)

How many bits are in an exabit?

There are 1018 (one quintillion, or 1 followed by 18 zeros) bits in 1 exabit (Eb).

How many petabits (Pb) are in an exabit (Eb)?

There are 1,000 petabits (Pb) in 1 exabit (Eb), since 'peta-' represents 1015 and 'exa-' represents 1018.

What is the difference between an exabit (Eb) and an exabyte (EB)?

An exabit (Eb) measures data in bits, while an exabyte (EB) measures data in bytes. Since 1 byte typically equals 8 bits, 1 exabyte (EB) is equal to 8 exabits (Eb).

What is the difference between an exabit (Eb) and an exbibit (Eib)?

An exabit (Eb) uses the decimal prefix 'exa-' (1018 bits). An exbibit (Eib) uses the binary prefix 'exbi-' (260 bits). An exbibit is significantly larger than an exabit (approximately 1.15 Eb). Exbibits are used when specifically referring to powers-of-2 multiples in computing contexts.

About Terabyte (TB)

How many bytes are in a terabyte (TB)?

According to the standard SI definition, there are exactly 1,000,000,000,000 bytes (one trillion bytes, or 1012 bytes) in 1 terabyte (TB).

How many gigabytes (GB) are in a terabyte (TB)?

There are 1,000 gigabytes (GB) in 1 terabyte (TB). This follows the SI prefixes: 1 TB = 1012 bytes and 1 GB = 109 bytes. Therefore, 1 TB / 1 GB = 1012 / 109 = 103 = 1,000.

What is the difference between a terabyte (TB) and a tebibyte (TiB)?

  • A terabyte (TB) uses the decimal SI prefix 'tera-' and equals 1012 bytes (1,000,000,000,000 bytes). It's commonly used in storage device marketing.
  • A tebibyte (TiB) uses the binary IEC prefix 'tebi-' and equals 240 bytes (1,099,511,627,776 bytes). It's often used by operating systems to report storage capacity based on powers of 2. A tebibyte (TiB) is approximately 9.95% larger than a terabyte (TB) (1 TiB ≈ 1.0995 TB).

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

  • A terabyte (TB) measures data storage capacity in bytes and equals 1012 bytes.
  • A terabit (Tb) measures data quantity or data transfer speed in bits and equals 1012 bits. Assuming the standard definition of 1 byte = 8 bits, 1 terabyte (TB) is equal to 8 terabits (Tb). Calculation: 1 TB = 1012 bytes = 1012 * 8 bits = 8 * 1012 bits = 8 Tb. Therefore, a terabyte represents 8 times more data storage capacity than the equivalent number of terabits.

Why is TB often used in marketing instead of TiB?

Storage manufacturers typically market drive capacities using the decimal prefix terabyte (TB) because 1012 bytes yields a larger, rounder number compared to the equivalent value expressed using the binary prefix tebibyte (TiB) (which is 240 bytes). For instance, a hard drive containing exactly 1,000,000,000,000 bytes is advertised as 1 TB. If measured in tebibytes, this same physical capacity would be approximately 0.909 TiB (since 1012 / 240 ≈ 0.909). Using TB allows manufacturers to present higher capacity figures, which is advantageous for marketing, even though operating systems might report the capacity using the smaller TiB value.

Conversion Table: Exabit to Terabyte

Exabit (Eb)Terabyte (TB)
1125,000
5625,000
101,250,000
253,125,000
506,250,000
10012,500,000
50062,500,000
1,000125,000,000

All Data Storage Conversions

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