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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.

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B
0
b
Formula b = B × 8
1 B = 8 b

Popular Data Storage Conversions

Complete Unit Reference & Conversion Ratios

Data Storage Reference & Conversion Factors

Base reference unit: Bytes (B)

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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

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