Data Size Converter

Convert between different digital data units: bytes, kilobytes, megabytes, gigabytes, terabytes.

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Data Size Converter

Instant conversion between digital data units

1024

⚡ Popular Conversions

About Data Size Conversion

Binary (1024)

Traditional computer storage units.

  • Byte (B) - 8 bits
  • Kilobyte (KB) - 1,024 bytes
  • Megabyte (MB) - 1,024 KB
  • Gigabyte (GB) - 1,024 MB
  • Terabyte (TB) - 1,024 GB

Decimal (1000)

SI standard data units.

  • Kilobyte (kB) - 1,000 bytes
  • Megabyte (MB) - 1,000 kB
  • Gigabyte (GB) - 1,000 MB
  • Terabyte (TB) - 1,000 GB

Bits

Fundamental data units.

  • Bit (b) - Basic unit
  • Kilobit (kb) - 1,000 bits
  • Megabit (Mb) - 1,000 kb
  • Gigabit (Gb) - 1,000 Mb

Storage Examples

Real-world data sizes.

  • CD - ~700 MB
  • DVD - ~4.7 GB
  • Blu-ray - ~25 GB
  • Modern SSD - 1-8 TB

Understanding Data Size Units

Data size measures the amount of digital information, with bytes (B) serving as the fundamental unit in computer systems. Understanding data conversions is essential for computing, networking, storage planning, and digital media management where precise capacity calculations determine system performance and requirements.

The binary system uses base-2 calculations where units scale by factors of 1,024 (2¹⁰). Kilobytes (KB), megabytes (MB), gigabytes (GB), and terabytes (TB) in this system reflect how computer memory and storage actually function, with 1 KB = 1,024 bytes representing the true binary relationship.

Decimal (SI) units use base-10 scaling with factors of 1,000, aligning with international measurement standards. Storage manufacturers often specify capacities using decimal units, where 1 kB = 1,000 bytes, creating apparent discrepancies between advertised and actual available storage space.

Understanding the distinction between bits and bytes proves crucial for network and data transfer calculations. Network speeds typically use bits per second (bps), while file sizes use bytes, requiring conversion factors (8 bits = 1 byte) for accurate bandwidth and transfer time estimations.

Modern digital applications span enormous data ranges. Smartphone photos measure in megabytes, video files in gigabytes, enterprise databases in terabytes, and cloud storage systems in petabytes. Accurate data size conversions enable effective storage planning, bandwidth allocation, and system capacity management across all computing environments.