1 bit in every unit
Values update with the converter above. Select a row to open that conversion's detailed page.
- Byte0.125 B
- Kibibit0.0009765625 Kibit
- Mebibit0.0000009536743 Mibit
- Gibibit9.31323E-10 Gibit
- Tebibit9.09495E-13 Tibit
- Kilobit0.001 kbit
- Megabit0.000001 Mbit
- Gigabit0.000000001 Gbit
- Terabit1E-12 Tbit
- Kilobyte0.000125 KB
- Megabyte0.000000125 MB
- Gigabyte1.25E-10 GB
- Terabyte1.25E-13 TB
- Petabyte1.25E-16 PB
- Kibibyte0.0001220703 KiB
- Mebibyte0.0000001192093 MiB
- Gibibyte1.16415E-10 GiB
- Tebibyte1.13687E-13 TiB
Popular conversions
17 pairsPetabyte ↔ Terabyte
PB ↔ TB
Terabyte ↔ Gigabyte
TB ↔ GB
Kibibyte ↔ Byte
KiB ↔ B
Mebibyte ↔ Kibibyte
MiB ↔ KiB
Gibibyte ↔ Mebibyte
GiB ↔ MiB
Tebibyte ↔ Gibibyte
TiB ↔ GiB
Gigabyte ↔ Megabyte
GB ↔ MB
Megabyte ↔ Kilobyte
MB ↔ KB
Kilobyte ↔ Byte
KB ↔ B
Kibibit ↔ Bit
Kibit ↔ bit
Mebibit ↔ Kibibit
Mibit ↔ Kibit
Gibibit ↔ Mebibit
Gibit ↔ Mibit
Tebibit ↔ Gibibit
Tibit ↔ Gibit
Megabit ↔ Megabyte
Mbit ↔ MB
Kilobit ↔ Megabit
kbit ↔ Mbit
Gigabit ↔ Megabit
Gbit ↔ Mbit
Terabit ↔ Gigabit
Tbit ↔ Gbit
Unit guides
19 units- What is Bit?bit
- What is Byte?B
- What is Kibibit?Kibit
- What is Mebibit?Mibit
- What is Gibibit?Gibit
- What is Tebibit?Tibit
- What is Kilobit?kbit
- What is Megabit?Mbit
- What is Gigabit?Gbit
- What is Terabit?Tbit
- What is Kilobyte?KB
- What is Megabyte?MB
- What is Gigabyte?GB
- What is Terabyte?TB
- What is Petabyte?PB
- What is Kibibyte?KiB
- What is Mebibyte?MiB
- What is Gibibyte?GiB
- What is Tebibyte?TiB
Detailed guide to Data Storage
Data storage units describe how much digital information can be stored or transmitted. They are used in software, hardware, networking and consumer devices.
Storage values can be expressed with decimal prefixes such as kilobyte and gigabyte, or with binary prefixes such as kibibyte and gibibyte when exact powers of two matter.
- Physical quantity group
- Digital information storage
- Base unit
- Byte
- Binary building block
- Bit
- Common prefixes
- kilo, mega, giga, tera and binary IEC forms
- Typical use
- Files, memory, storage devices and data transfer
Decimal and binary data units
Storage manufacturers commonly use decimal prefixes: 1 GB = 1,000 MB. Operating systems and technical contexts may use binary prefixes, where 1 GiB = 1,024 MiB.
Confirm whether a value means bit or byte as well. One byte contains eight bits, so network speeds and file sizes cannot be compared directly without conversion.
Bits and bytes
A bit is the smallest binary unit and can represent one of two states. A byte is the standard practical storage unit and contains exactly eight bits.
The capitalization matters: b means bit and B means byte. A network speed of 100 Mb/s is 100 megabits per second, not 100 megabytes per second; before allowing for network overhead, divide by eight to express it as 12.5 MB/s.
Decimal and binary prefixes
Decimal storage units scale by powers of 1,000: 1 kilobyte equals 1,000 bytes, 1 megabyte equals 1,000,000 bytes and 1 gigabyte equals 1,000,000,000 bytes.
Binary IEC units scale by powers of 1,024: 1 kibibyte equals 1,024 bytes, 1 mebibyte equals 1,048,576 bytes and 1 gibibyte equals 1,073,741,824 bytes. The letter i identifies the binary form: KiB, MiB, GiB and TiB.
Why a drive can appear smaller than its label
Storage manufacturers commonly label capacity with decimal units, so a 1 TB drive contains 1,000,000,000,000 bytes. Software that displays the same byte count in binary units will show about 0.909 TiB instead.
This is usually a difference in the unit label rather than missing capacity. Formatting, file systems and recovery partitions can also consume usable space, so the visible amount may be lower for more than one reason.
Storage size and transfer speed
Storage capacity describes how much information fits on a device. Transfer speed describes how much information can move in a given time, usually written with a slash such as MB/s or Mb/s.
Use the data converter for the size itself. When estimating download time, confirm both the unit case and whether the rate is stated in bits per second or bytes per second.
Where storage conversions are used
These conversions are useful when comparing disk sizes, memory specifications, file sizes, cloud quotas and network transfer totals.
They help explain why software downloads, SSD labels and RAM values can appear under different figures even when the underlying byte count is the same.
Unit comparison table
| Unit | Symbol | SI equivalent | System | Common use |
|---|---|---|---|---|
| Bit | bit | 1 bit | Binary information | Network rates and digital signals |
| Byte | B | 8 bit | Digital storage | Files, memory and storage capacity |
| Kilobyte | KB | 1,000 B | Decimal | Storage-device and file-size labels |
| Kibibyte | KiB | 1,024 B | Binary IEC | Operating systems and technical memory values |
| Megabyte | MB | 1,000,000 B | Decimal | Files, media and storage-device labels |
| Mebibyte | MiB | 1,048,576 B | Binary IEC | Software and memory reporting |
| Gigabyte | GB | 1,000,000,000 B | Decimal | Drives, cloud storage and data plans |
| Gibibyte | GiB | 1,073,741,824 B | Binary IEC | Operating-system and memory reporting |
| Terabyte | TB | 1,000,000,000,000 B | Decimal | Drive and cloud-storage capacity |
| Tebibyte | TiB | 1,099,511,627,776 B | Binary IEC | Large technical storage values |
Data storage units
| Unit | Symbol | Information |
|---|---|---|
| Bit | bit | View unit guide |
| Byte | B | View unit guide |
| Kibibit | Kibit | View unit guide |
| Mebibit | Mibit | View unit guide |
| Gibibit | Gibit | View unit guide |
| Tebibit | Tibit | View unit guide |
| Kilobit | kbit | View unit guide |
| Megabit | Mbit | View unit guide |
| Gigabit | Gbit | View unit guide |
| Terabit | Tbit | View unit guide |
| Kilobyte | KB | View unit guide |
| Megabyte | MB | View unit guide |
| Gigabyte | GB | View unit guide |
| Terabyte | TB | View unit guide |
| Petabyte | PB | View unit guide |
| Kibibyte | KiB | View unit guide |
| Mebibyte | MiB | View unit guide |
| Gibibyte | GiB | View unit guide |
| Tebibyte | TiB | View unit guide |