Data Storage Converter

Enter a value to instantly convert between data storage units.

Data storage conversions are needed constantly in modern computing — checking whether a file will fit on a device, understanding internet plan speeds versus download times, or making sense of why a '1TB' drive shows less available space than expected. This category also covers one of the more persistently confusing unit issues in computing: the difference between decimal units (MB, GB — based on powers of 1,000) and binary units (MiB, GiB — based on powers of 1,024), which often share the same display label despite representing different quantities.

From

Precision4 dp

1 Megabyte = 0.001 Gigabyte

Key Formulas

Megabyte → Gigabyte

GB = MB × 0.000976563

Gigabyte → Megabyte

MB = GB × 1024

Gigabyte → Terabyte

TB = GB × 0.000976563

Terabyte → Gigabyte

GB = TB × 1024

Popular Conversions

Kilobyte to Megabyte Megabyte to Kilobyte Megabyte to Gigabyte Gigabyte to Megabyte Gigabyte to Terabyte Terabyte to Gigabyte

All Data Storage Conversions

Kilobyte to Megabyte Megabyte to Kilobyte Megabyte to Gigabyte Gigabyte to Megabyte Gigabyte to Terabyte Terabyte to Gigabyte Byte to Kilobyte Byte to Megabyte Byte to Gigabyte Byte to Terabyte Byte to Petabyte Byte to Bit Byte to Kilobit Byte to Megabit Byte to Gigabit Kilobyte to Byte Kilobyte to Gigabyte Kilobyte to Terabyte Kilobyte to Petabyte Kilobyte to Bit Kilobyte to Kilobit Kilobyte to Megabit Kilobyte to Gigabit Megabyte to Byte Megabyte to Terabyte Megabyte to Petabyte Megabyte to Bit Megabyte to Kilobit Megabyte to Megabit Megabyte to Gigabit Gigabyte to Byte Gigabyte to Kilobyte Gigabyte to Petabyte Gigabyte to Bit Gigabyte to Kilobit Gigabyte to Megabit Gigabyte to Gigabit Terabyte to Byte Terabyte to Kilobyte Terabyte to Megabyte Terabyte to Petabyte Terabyte to Bit Terabyte to Kilobit Terabyte to Megabit Terabyte to Gigabit Petabyte to Byte Petabyte to Kilobyte Petabyte to Megabyte Petabyte to Gigabyte Petabyte to Terabyte Petabyte to Bit Petabyte to Kilobit Petabyte to Megabit Petabyte to Gigabit Bit to Byte Bit to Kilobyte Bit to Megabyte Bit to Gigabyte Bit to Terabyte Bit to Petabyte Bit to Kilobit Bit to Megabit Bit to Gigabit Kilobit to Byte Kilobit to Kilobyte Kilobit to Megabyte Kilobit to Gigabyte Kilobit to Terabyte Kilobit to Petabyte Kilobit to Bit Kilobit to Megabit Kilobit to Gigabit Megabit to Byte Megabit to Kilobyte Megabit to Megabyte Megabit to Gigabyte Megabit to Terabyte Megabit to Petabyte Megabit to Bit Megabit to Kilobit Megabit to Gigabit Gigabit to Byte Gigabit to Kilobyte Gigabit to Megabyte Gigabit to Gigabyte Gigabit to Terabyte Gigabit to Petabyte Gigabit to Bit Gigabit to Kilobit Gigabit to Megabit

About Data Storage Conversions

History & Background

The byte (8 bits) became the standard unit of digital storage as computer architectures converged on 8-bit bytes during the 1960s and 70s. Because computer memory is naturally organized in powers of two, early computing informally adopted 'kilobyte' to mean 1,024 bytes (2^10) rather than the SI-standard 1,000 — a convenient approximation that became deeply embedded in software and operating systems. In 1998, the International Electrotechnical Commission introduced the binary prefixes kibi-, mebi-, gibi- (KiB, MiB, GiB) specifically to disambiguate: under this standard, 'kilo' strictly means 1,000 (as in every other field that uses SI prefixes), while 'kibi' means 1,024. Storage manufacturers generally use the SI (decimal) definitions, while many operating systems still display binary-calculated values under decimal labels — the root cause of the '1TB drive shows 931GB' phenomenon.

How to Use This Converter

Select your starting and target data units and enter a value for an instant conversion. If you're trying to reconcile a manufacturer's storage specification with what your computer displays, check whether you need a decimal-to-decimal conversion (e.g., GB to TB) or a decimal-to-binary conversion (e.g., GB to GiB) — these produce different results, and using the wrong one is the most common source of 'missing' storage confusion.

Frequently Asked Questions

Why does my new hard drive show less space than advertised?

The drive's advertised capacity uses decimal units (1 TB = 1,000,000,000,000 bytes, the SI-correct definition), but many operating systems calculate displayed capacity using binary math (dividing by 1,024 repeatedly) while still labeling the result 'GB' or 'TB' instead of the technically correct 'GiB'/'TiB'. No storage is missing — it's a unit-labeling mismatch between the manufacturer (decimal) and the OS display (binary calculation, decimal label).

Is internet speed measured in megabits or megabytes?

Internet service plans are almost always advertised in megabits per second (Mbps), while file sizes and download progress are typically shown in megabytes (MB). Since 1 byte = 8 bits, a '100 Mbps' connection has a theoretical maximum download speed of about 12.5 MB/s (100 ÷ 8), not 100 MB/s — a common point of confusion when estimating download times.

Why is RAM always 'correct' in binary but storage drives aren't?

RAM capacity is determined by the physical architecture of memory chips, which are inherently organized in powers of two — so a '16GB' RAM module genuinely contains 16 × 1,073,741,824 bytes with no discrepancy. Storage drives, however, are manufactured to a target capacity in round decimal numbers (following SI convention) and aren't constrained by the same binary addressing architecture, which is why the decimal/binary mismatch primarily affects storage, not memory.

Popular Use Cases

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Data Storage Converter