Data Storage Converter
Convert digital data between bits, bytes, kilobits, kilobytes, megabits, megabytes, gigabits, gigabytes, terabits, terabytes, and binary IEC units with clear formulas and step-by-step calculations.
Convert Data Storage Units
Enter a data value, choose the source unit and destination unit, then calculate the exact conversion.
Conversion Result
| Unit | Equivalent |
|---|---|
| Bits | 0 bit |
| Bytes | 0 B |
| Kilobytes | 0 kB |
| Megabytes | 0 MB |
| Gigabytes | 0 GB |
| Terabytes | 0 TB |
| Petabytes | 0 PB |
| Unit | Equivalent |
|---|---|
| Kibibytes | 0 KiB |
| Mebibytes | 0 MiB |
| Gibibytes | 0 GiB |
| Tebibytes | 0 TiB |
| Pebibytes | 0 PiB |
Step-by-Step Calculation
What Is Data Storage?
Data storage refers to the amount of digital information that can be stored or represented by a computer, storage device, application, or digital system.
Common data units include bits and bytes, along with larger units such as kilobytes, megabytes, gigabytes, and terabytes. These units are used when describing files, memory, storage drives, databases, cloud storage, and other digital systems.
How to Use the Data Storage Converter
- Enter the amount of data you want to convert.
- Select the original unit in the From dropdown.
- Select the desired unit in the To dropdown.
- Click Convert Data.
- Review the converted result, common equivalents, and step-by-step calculation.
Bit vs Byte
A bit is the smallest commonly used unit of digital information and can represent a binary value of 0 or 1.
A byte consists of 8 bits.
1 byte = 8 bits
1 byte = 8 bits exactly
Decimal Data Units
Decimal or SI data units use powers of 1,000. These units are commonly represented using prefixes such as kilo, mega, giga, tera, and peta.
1 kB = 1,000 B
1 MB = 1,000,000 B
1 GB = 1,000,000,000 B
1 TB = 1,000,000,000,000 B
1 PB = 1,000,000,000,000,000 B
Binary Data Units
Binary IEC units use powers of 1,024 rather than powers of 1,000. Their names use the prefixes kibi, mebi, gibi, tebi, and pebi.
1 KiB = 1,024 B
1 MiB = 1,048,576 B
1 GiB = 1,073,741,824 B
1 TiB = 1,099,511,627,776 B
1 PiB = 1,125,899,906,842,624 B
KB vs KiB: What Is the Difference?
KB and KiB are not identical units. A kilobyte (kB) is a decimal unit equal to 1,000 bytes, while a kibibyte (KiB) is a binary IEC unit equal to 1,024 bytes.
Decimal: 1 kB = 1,000 bytes
Binary: 1 KiB = 1,024 bytes
The same distinction applies to MB versus MiB, GB versus GiB, TB versus TiB, and PB versus PiB.
Data Conversion Example
Example: Convert 5 MB to bytes using the decimal definition.
1 MB = 1,000,000 bytes.
Therefore: 5 × 1,000,000 = 5,000,000 bytes.
Data Storage Units in Everyday Use
Different data units are useful at different scales.
- Bits: Commonly used for individual binary values and communication speeds.
- Bytes: Commonly used as a basic unit of digital storage.
- Kilobytes: Useful for relatively small files and text documents.
- Megabytes: Commonly used for images, documents, audio files, and application data.
- Gigabytes: Commonly used for device storage, applications, videos, and large collections of files.
- Terabytes: Commonly used for hard drives, large storage systems, backups, and datasets.
- Petabytes: Used for very large enterprise, scientific, cloud, and data-center storage systems.
Data Storage vs Data Transfer Speed
Data storage and data transfer speed are related but describe different things. Storage capacity describes how much digital information can be stored, while transfer speed describes how quickly information can be transmitted.
Storage capacity is commonly expressed using bytes and their larger units, while network speeds are frequently expressed using bits per second, such as Mbps or Gbps.
1 byte = 8 bits
1 GB = 8 gigabits when both use the same decimal scale
Data Conversion Formula Reference
The calculator converts the selected source value through a common base unit of bits. The conversion is performed using the exact unit definitions represented by the selected units.
Value in bits = Input value × Source unit size in bits
Result = Value in bits ÷ Target unit size in bits
This method allows conversions between decimal SI units and binary IEC units without treating KB and KiB as the same quantity.
What Happens If the Input Is Blank?
A blank data-value field is treated as zero. This allows the calculator to safely reset or calculate without requiring unnecessary input.
If a meaningful conversion is required, enter a positive data value before calculating.
Frequently Asked Questions
What is the difference between a bit and a byte?
A byte contains 8 bits. Bits are commonly represented as bit or b, while bytes are represented as B.
How many bytes are in 1 KB?
Using the decimal SI definition, 1 kB equals 1,000 bytes.
How many bytes are in 1 KiB?
1 KiB equals 1,024 bytes.
Is 1 GB the same as 1 GiB?
No. 1 GB is a decimal unit equal to 1,000,000,000 bytes, while 1 GiB is a binary unit equal to 1,073,741,824 bytes.
How many bits are in one byte?
One byte contains exactly 8 bits.
What is the difference between MB and MiB?
MB uses the decimal scale, where 1 MB equals 1,000,000 bytes. MiB uses the binary scale, where 1 MiB equals 1,048,576 bytes.
Does this calculator support binary data units?
Yes. The calculator includes KiB, MiB, GiB, TiB, and PiB alongside decimal data units.
Can this calculator convert GB to GiB?
Yes. Select GB as the source unit and GiB as the target unit to perform the conversion using their respective definitions.
Is data storage the same as internet speed?
No. Storage measures the quantity of information that can be stored, while internet or network speed measures how quickly information is transferred.
Data Storage Converter Disclaimer
This calculator is provided for general educational, informational, and estimation purposes only. Data-unit conventions can differ depending on the context, software, hardware manufacturer, operating system, storage technology, or technical specification. This calculator distinguishes decimal SI units from binary IEC units where applicable. Always verify the unit convention required by a particular device, service, specification, or technical application before relying on a converted value.