Explains the distinction between decimal prefixes such as MB and binary prefixes such as MiB.
Unit converters
Data storage
Enter your values below for a clear, instant result.
Data storageInstant result
Decimals
Formula result = input × 1 ÷ 0.125. 1 B = 8 bit
Common examples
One value, several units
Bits8 bit
Kilobytes0.001 kB
Megabytes0 MB
Gigabytes0 GB
Terabytes0 TB
Kibibytes0.001 KiB
Mebibytes0 MiB
Gibibytes0 GiB
Conversion table
| B | bit |
|---|---|
| 1 B | 8 bit |
| 2 B | 16 bit |
| 5 B | 40 bit |
| 10 B | 80 bit |
| 25 B | 200 bit |
| 50 B | 400 bit |
| 100 B | 800 bit |
Conversion chart
1 B8 bit
5 B40 bit
10 B80 bit
25 B200 bit
50 B400 bit
Worked example
1 byte equals 8 bits.
Unit definition
Bytes (B) One bytes equals 1 byte.
Unit history
The term byte emerged in early computer engineering; modern storage conventions distinguish decimal prefixes such as MB from binary prefixes such as MiB.
Step by step
1. Parse the value, including fractions.
2. Convert B to byte.
3. Convert the base value to bit and apply your display precision.
Understand the result before using it
Data storage expresses a data quantity in bits, decimal byte units, or binary byte units. The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 1 ÷ 0.125
Assumptions
- The source and target selections represent the same physical quantity or supported notation.
- The entered value is valid for the selected relationship and uses the source unit shown.
- Published unit definitions and conventional conversion factors apply under their stated conditions.
Worked example
1 byte equals 8 bits.
When to use it
Good uses
- Translate a data storage value found in a document, specification, recipe, or measurement.
- Compare values reported in different unit systems.
- Check a manual conversion and control the displayed precision.
Limitations
Common mistakes to avoid
- Decimal kB/MB/GB and binary KiB/MiB/GiB use different multipliers and should not be treated as synonyms.
- Do not add meaningful digits beyond the precision of the original measurement.
- Confirm regulated, safety-critical, laboratory, and contractual values against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
What does the Data storage converter do?
Data storage expresses a data quantity in bits, decimal byte units, or binary byte units. It does not change the physical quantity represented by the input.
What formula does the Data storage converter use?
result = input × 1 ÷ 0.125
Why can a Data storage converter result be rounded?
UnitMora calculates with JavaScript double-precision numbers, then formats the result using your selected decimal or significant-figure setting. The unrounded value may contain more digits than are displayed.
What is the most common data storage conversion mistake?
Decimal kB/MB/GB and binary KiB/MiB/GiB use different multipliers and should not be treated as synonyms.
Clear answers, without the guesswork
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