Exbibyte to Mebibyte Converter

Convert exbibytes to mebibytes with our free online data storage converter.

Quick Answer

1 Exbibyte = 1.099512e+12 mebibytes

Formula: Exbibyte × conversion factor = Mebibyte

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

Exbibyte to Mebibyte Calculator

How to Use the Exbibyte to Mebibyte Calculator:

  1. Enter the value you want to convert in the 'From' field (Exbibyte).
  2. The converted value in Mebibyte 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 Exbibyte to Mebibyte: Step-by-Step Guide

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

Formula:

1 Exbibyte = 1099511627776 mebibytes

Example Calculation:

Convert 10 exbibytes: 10 × 1099511627776 = 1.0995e+13 mebibytes

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 Exbibyte and a Mebibyte?

An exbibyte (EiB) is a unit of digital information storage equal to 260 bytes, which is exactly 1,152,921,504,606,846,976 bytes. It uses the binary prefix 'exbi-' established by the International Electrotechnical Commission (IEC). One exbibyte is equivalent to 1,024 pebibytes (PiB).

A mebibyte (MiB) is a unit of digital information storage equal to 220 bytes, which is exactly 1,048,576 bytes (or 10242 bytes). It uses the binary prefix 'mebi-' established by the International Electrotechnical Commission (IEC). The mebibyte was created to provide an unambiguous measurement for byte multiples based on powers of 2, distinguishing it from the megabyte (MB), which is based on the decimal prefix 'mega-' (106 or 1,000,000 bytes).

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

History of the Exbibyte and Mebibyte

The prefix 'exbi-' (representing 260) was defined by the IEC in 1998 alongside other binary prefixes (kibi-, mebi-, gibi-, tebi-, pebi-). This standardization aimed to eliminate the confusion caused by using SI prefixes (like kilo-, mega-, giga-, exa-) to denote both powers of 1000 (decimal) and powers of 1024 (binary) in computing. The term 'exbibyte' specifically refers to the 260 multiple of bytes, ensuring clarity in technical contexts where binary measurements are crucial, especially as data scales reached astronomical levels.

The prefix 'mebi-' (representing 220) was defined by the IEC in 1998 alongside other binary prefixes (kibi-, gibi-, tebi-, etc.). Before this standard, the SI prefix 'mega-' (M) was ambiguously used to represent both 1,000,000 (106, as per its SI definition) and 1,048,576 (220) in computing contexts. This led to confusion, especially when comparing storage capacities advertised by manufacturers (often using decimal prefixes) and memory sizes or file sizes reported by operating systems (often using binary interpretations). The introduction of the mebibyte (MiB) aimed to resolve this ambiguity by providing a specific term for 1,048,576 bytes.

Common Uses and Applications: exbibytes vs mebibytes

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

Common Uses for exbibytes

Exbibytes are used to measure extremely large data storage capacities, particularly where precision based on powers of 2 is required. Common applications include:

  • Specifying the capacity of very large-scale storage systems and data centers using binary architecture.
  • Reporting storage in high-performance computing (HPC) environments dealing with massive datasets.
  • Technical documentation comparing binary (EiB) and decimal (EB) storage capacities at the exa-scale.
  • Theoretical discussions about future data storage technologies and large file system limits.
  • Certain operating system contexts or software that strictly adhere to binary reporting for storage.

While less common in consumer marketing than the exabyte (EB), the exbibyte is vital for technical accuracy in specific fields.

When to Use mebibytes

Mebibytes are used in contexts where precision based on powers of 2 is necessary:

  • Precisely measuring computer memory (RAM) capacity, which is typically manufactured in powers-of-2 sizes.
  • Reporting file sizes and disk space usage by operating systems (like Windows, macOS, Linux distributions) and file systems that adhere to IEC standards.
  • Software development, technical documentation, and virtualization where exact binary multiples are crucial for calculations, specifications, or resource allocation.
  • Cache sizes in CPUs and other hardware components.

Additional Unit Information

About Exbibyte (EiB)

How many bytes are in an exbibyte?

There are exactly 260 bytes in 1 exbibyte (EiB). This equals 1,152,921,504,606,846,976 bytes.

How many pebibytes (PiB) are in an exbibyte (EiB)?

There are 1,024 pebibytes (PiB) in 1 exbibyte (EiB). This follows the binary prefix system where each subsequent prefix is 1024 times the previous one (1 EiB = 1024 PiB).

How many gibibytes (GiB) are in an exbibyte (EiB)?

There are 230 gibibytes (GiB) in 1 exbibyte (EiB). Since 1 EiB = 260 bytes and 1 GiB = 230 bytes, the conversion is 260 / 230 = 230, which equals 1,073,741,824 GiB.

What is the difference between an exbibyte (EiB) and an exabyte (EB)?

An exbibyte (EiB) is based on powers of 2 (260 bytes), using the IEC binary prefix 'exbi-'. An exabyte (EB) is based on powers of 10 (1018 bytes), using the SI decimal prefix 'exa-'. An exbibyte is larger than an exabyte, with 1 EiB being approximately 1.15 EB (about 15% larger). EiB provides precision in binary contexts (like RAM or some OS reporting), while EB is often used in marketing storage devices.

About Mebibyte (MiB)

How many bytes are in a mebibyte (MiB)?

There are exactly 220 bytes in 1 mebibyte (MiB). This equals 1,048,576 bytes.

How many kibibytes (KiB) are in a mebibyte (MiB)?

There are 1,024 kibibytes (KiB) in 1 mebibyte (MiB). This follows the binary prefix system where 1 MiB = 220 bytes and 1 KiB = 210 bytes, and 220 / 210 = 210 = 1,024.

What is the difference between a mebibyte (MiB) and a megabyte (MB)?

A mebibyte (MiB) represents 220 bytes (1,048,576 bytes), using the IEC binary prefix 'mebi-'. A megabyte (MB) typically represents 106 bytes (1,000,000 bytes), using the SI decimal prefix 'mega-'. A mebibyte is approximately 4.86% larger than a megabyte (1 MiB ≈ 1.0486 MB). Use MiB for precision in binary contexts (like RAM, OS reporting) and MB for decimal contexts (like hard drive marketing, network speeds in some cases) or when the specific definition is clarified.

What is the difference between a mebibyte (MiB) and a mebibit (Mib)?

A mebibyte (MiB) measures information in bytes, while a mebibit (Mib) measures information in bits. Assuming the standard 1 byte = 8 bits, 1 mebibyte (MiB) is equal to 8 mebibits (Mib). Both use the binary prefix 'mebi-' (220).

Why is MiB used less often than MB in marketing?

Marketing materials (like hard drive capacities) often use the decimal prefix (MB, GB) because it results in a larger-looking number for capacity compared to the binary prefix (MiB, GiB) for the same amount of physical storage (e.g., 1,000,000,000 bytes is marketed as 1 GB, while an OS might report it as approximately 931 MiB, not GiB, because 1 GB is closer to 953.67 MiB, but OS often report GiB as GB). This discrepancy arises because 1 MB = 106 bytes, whereas 1 MiB = 220 bytes. Using decimal units allows manufacturers to advertise higher numbers.

Conversion Table: Exbibyte to Mebibyte

Exbibyte (EiB)Mebibyte (MiB)
0.5549,755,813,888
11,099,511,627,776
1.51,649,267,441,664
22,199,023,255,552
55,497,558,138,880
1010,995,116,277,760
2527,487,790,694,400
5054,975,581,388,800
100109,951,162,777,600
250274,877,906,944,000
500549,755,813,888,000
1,0001,099,511,627,776,000

People Also Ask

How do I convert Exbibyte to Mebibyte?

To convert Exbibyte to Mebibyte, enter the value in Exbibyte 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 Exbibyte to Mebibyte?

The conversion factor depends on the specific relationship between Exbibyte and Mebibyte. 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 Mebibyte back to Exbibyte?

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

Learn more →

What are common uses for Exbibyte and Mebibyte?

Exbibyte and Mebibyte 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.

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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