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Data Storage Converter
Convert between bits, bytes, decimal SI units (KB, MB, GB, TB, PB, EB), binary IEC units (KiB, MiB, GiB, TiB), and physical optical media.
Popular Data Storage Conversions
Complete Unit Reference & Conversion Ratios
Data Storage Reference & Conversion Factors
Base reference unit: Bytes (B)
| Unit Name | Symbol | Classification | Value in Bytes | Description |
|---|---|---|---|---|
| Bytes | B | 💾 Architecture & Base Units | 1 B = 1 B | Fundamental digital storage unit = 8 bits |
| Bits | b | 💾 Architecture & Base Units | 1 b = 0.125 B | Single binary digit (0 or 1) = 1/8 byte |
| Nibbles (4-bit) | nibble | 💾 Architecture & Base Units | 1 nibble = 0.5 B | 1 nibble = 4 bits = 1 hexadecimal digit = 0.5 byte |
| Crumbs (2-bit) | crumb | 💾 Architecture & Base Units | 1 crumb = 0.25 B | 1 crumb (quad) = 2 bits = 0.25 byte |
| Words (16-bit) | word | 💾 Architecture & Base Units | 1 word = 2 B | Standard 16-bit word = 2 bytes |
| Double Words (32-bit) | dword | 💾 Architecture & Base Units | 1 dword = 4 B | Standard 32-bit dword = 4 bytes |
| Quad Words (64-bit) | qword | 💾 Architecture & Base Units | 1 qword = 8 B | Standard 64-bit qword = 8 bytes |
| Octawords (128-bit) | oword | 💾 Architecture & Base Units | 1 oword = 16 B | Standard 128-bit oword = 16 bytes |
| Quettabytes (SI) | QB | 🔟 Decimal Storage (SI - 1000x) | 1 QB = 1.0000e+30 B | 10³⁰ bytes (2022 BIPM prefix) |
| Ronnabytes (SI) | RB | 🔟 Decimal Storage (SI - 1000x) | 1 RB = 1.0000e+27 B | 10²⁷ bytes (2022 BIPM prefix) |
| Yottabytes (SI) | YB | 🔟 Decimal Storage (SI - 1000x) | 1 YB = 1.0000e+24 B | 10²⁴ bytes = 1,000,000,000,000,000,000,000,000 bytes |
| Zettabytes (SI) | ZB | 🔟 Decimal Storage (SI - 1000x) | 1 ZB = 1.0000e+21 B | 10²¹ bytes = 1,000,000,000,000,000,000,000 bytes |
| Exabytes (SI) | EB | 🔟 Decimal Storage (SI - 1000x) | 1 EB = 1.0000e+18 B | 10¹⁸ bytes = 1,000,000,000,000,000,000 bytes |
| Petabytes (SI) | PB | 🔟 Decimal Storage (SI - 1000x) | 1 PB = 1.0000e+15 B | 10¹⁵ bytes = 1,000,000,000,000,000 bytes |
| Terabytes (SI) | TB | 🔟 Decimal Storage (SI - 1000x) | 1 TB = 1.0000e+12 B | 10¹² bytes = 1,000,000,000,000 bytes (HDDs & SSDs) |
| Gigabytes (SI) | GB | 🔟 Decimal Storage (SI - 1000x) | 1 GB = 1,000,000,000 B | 10⁹ bytes = 1,000,000,000 bytes |
| Megabytes (SI) | MB | 🔟 Decimal Storage (SI - 1000x) | 1 MB = 1,000,000 B | 10⁶ bytes = 1,000,000 bytes |
| Kilobytes (SI) | KB | 🔟 Decimal Storage (SI - 1000x) | 1 KB = 1,000 B | 10³ bytes = 1,000 bytes |
| Quebibytes (IEC) | QiB | 💻 Binary Memory (IEC - 1024x) | 1 QiB = 1.2677e+30 B | 2¹⁰⁰ bytes |
| Robibytes (IEC) | RiB | 💻 Binary Memory (IEC - 1024x) | 1 RiB = 1.2379e+27 B | 2⁹⁰ bytes |
| Yobibytes (IEC) | YiB | 💻 Binary Memory (IEC - 1024x) | 1 YiB = 1.2089e+24 B | 2⁸⁰ bytes |
| Zebibytes (IEC) | ZiB | 💻 Binary Memory (IEC - 1024x) | 1 ZiB = 1.1806e+21 B | 2⁷⁰ bytes |
| Exbibytes (IEC) | EiB | 💻 Binary Memory (IEC - 1024x) | 1 EiB = 1.1529e+18 B | 2⁶⁰ bytes |
| Pebibytes (IEC) | PiB | 💻 Binary Memory (IEC - 1024x) | 1 PiB = 1.1259e+15 B | 2⁵⁰ bytes = 1,125,899,906,842,624 bytes |
| Tebibytes (IEC) | TiB | 💻 Binary Memory (IEC - 1024x) | 1 TiB = 1.0995e+12 B | 2⁴⁰ bytes = 1,099,511,627,776 bytes |
| Gibibytes (IEC) | GiB | 💻 Binary Memory (IEC - 1024x) | 1 GiB = 1,073,741,824 B | 2³⁰ bytes = 1,073,741,824 bytes (Windows & RAM size) |
| Mebibytes (IEC) | MiB | 💻 Binary Memory (IEC - 1024x) | 1 MiB = 1,048,576 B | 2²⁰ bytes = 1,048,576 bytes |
| Kibibytes (IEC) | KiB | 💻 Binary Memory (IEC - 1024x) | 1 KiB = 1,024 B | 2¹⁰ bytes = 1,024 bytes |
| Petabits (Decimal) | Pb | 📶 Bits & Telecom Data | 1 Pb = 1.2500e+14 B | 10¹⁵ bits = 125 terabytes |
| Terabits (Decimal) | Tb | 📶 Bits & Telecom Data | 1 Tb = 125,000,000,000 B | 10¹² bits = 125 gigabytes |
| Gigabits (Decimal) | Gb | 📶 Bits & Telecom Data | 1 Gb = 125,000,000 B | 10⁹ bits = 125 megabytes |
| Megabits (Decimal) | Mb | 📶 Bits & Telecom Data | 1 Mb = 125,000 B | 10⁶ bits = 125 kilobytes |
| Kilobits (Decimal) | kb | 📶 Bits & Telecom Data | 1 kb = 125 B | 10³ bits = 125 bytes |
| Gibibits (Binary) | Gib | 📶 Bits & Telecom Data | 1 Gib = 134,217,728 B | 2³⁰ bits = 128 MiB |
| Mebibits (Binary) | Mib | 📶 Bits & Telecom Data | 1 Mib = 131,072 B | 2²⁰ bits = 128 KiB |
| Kibibits (Binary) | Kib | 📶 Bits & Telecom Data | 1 Kib = 128 B | 2¹⁰ bits = 128 bytes |
| Ultra HD Blu-ray XL (100GB) | BD-XL (100GB) | 💿 Physical & Optical Media | 1 BD-XL (100GB) = 100,000,000,000 B | Triple-layer BDXL disc = 100 GB |
| Dual-Layer Blu-ray (50GB) | BD-DL (50GB) | 💿 Physical & Optical Media | 1 BD-DL (50GB) = 50,000,000,000 B | Dual-layer Blu-ray disc = 50 GB |
| Single-Layer Blu-ray (25GB) | BD-SL (25GB) | 💿 Physical & Optical Media | 1 BD-SL (25GB) = 25,000,000,000 B | Single-layer Blu-ray disc = 25 GB |
| Dual-Layer DVD-9 (8.5GB) | DVD-9 (8.5GB) | 💿 Physical & Optical Media | 1 DVD-9 (8.5GB) = 8,500,000,000 B | Dual-layer DVD disc = 8.5 GB |
| Single-Layer DVD-5 (4.7GB) | DVD-5 (4.7GB) | 💿 Physical & Optical Media | 1 DVD-5 (4.7GB) = 4,700,000,000 B | Standard single-layer DVD = 4.7 GB |
| Standard CD-ROM (700MB) | CD-ROM (700MB) | 💿 Physical & Optical Media | 1 CD-ROM (700MB) = 700,000,000 B | Standard 80-min audio/data CD = 700 MB |
| 3.5" HD Floppy Disk (1.44MB) | Floppy (1.44MB) | 💿 Physical & Optical Media | 1 Floppy (1.44MB) = 1,474,560 B | Standard 3.5-inch High Density floppy disk = 1,474,560 bytes |