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Data Size ConverterConvert Bytes • Megabytes • Gigabytes • Terabytes • Petabytes • Bits • Digital Storage

Bytes to MB/GB
Storage Capacity
Computer Science
Cloud Storage
Common Data Conversions:
Binary (1024-based) conversion
Data Size Conversion Tips:
• 1 Byte = 8 Bits (fundamental digital unit conversion)
• 1 Kilobyte (KB) = 1024 Bytes (binary system)
• 1 Megabyte (MB) = 1024 Kilobytes (not 1000)
• 1 Gigabyte (GB) = 1024 Megabytes (computer memory)

Data Size Conversion Complete Guide

Fundamental Data Units

Bit (b): Smallest unit, represents 0 or 1, used for data transmission
Byte (B): 8 bits, basic unit for storage and file sizes
Kilobyte (KB): 1024 bytes, used for small documents and images
Megabyte (MB): 1024 KB, used for songs, photos, documents

Large Storage Units

Gigabyte (GB): 1024 MB, used for movies, software, games
Terabyte (TB): 1024 GB, used for hard drives, backup storage
Petabyte (PB): 1024 TB, used for data centers, big data
Exabyte (EB): 1024 PB, global data traffic, internet

Real-World Data Size Examples

Text Document10-100 KB
High-Quality Photo2-5 MB
MP3 Song3-5 MB
HD Movie1-3 GB

Data Size Systems Explained

Digital data uses binary (base-2) numbering system where each higher unit equals 1024 (2¹⁰) of the previous unit. This differs from metric decimal system (base-10) used for other measurements.

Enter the data size value you want to convert
Select the unit you're converting from
Select the unit you're converting to
View instant conversion results with binary precision
Use swap button to reverse the conversion direction
Binary (1024) System:
1 KB = 1024 B: Kilobyte, used by operating systems
1 MB = 1024 KB: Megabyte, accurate for RAM and file systems
1 GB = 1024 MB: Gigabyte, computer memory measurement
Decimal (1000) System:
1 KB = 1000 B: Sometimes used by storage manufacturers
1 MB = 1000 KB: Network bandwidth and some storage devices
1 GB = 1000 MB: Marketing for hard drives and SSDs
Bits vs Bytes:
Internet Speeds: Measured in bits per second (Mbps, Gbps)
File Sizes: Measured in bytes (KB, MB, GB download sizes)
Conversion: Divide Mbps by 8 to get MB/s download speed
Practical Applications:
Storage Planning: Calculate actual usable space on drives
Download Time: Convert between internet speed and file size
Data Transfer: Calculate backup times and transfer durations