Unit Converter

Popular Conversions

Unit Conversion Tips

  • Double-check your "from" and "to" units to ensure accurate conversions
  • Use the swap button to quickly reverse your conversion direction
  • Common conversions like meters to kilometers, grams to kg, and inches to centimeters are available as quick shortcuts
  • Temperature conversions require special formulas - the tool handles these automatically
  • For precise measurements, verify results using known conversion factors
  • Remember that some conversions may have slight rounding differences
  • Use the category selector to quickly switch between different unit types

About Data Conversions

Convert between data storage units including bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes. Standard conversions include bytes to kilobytes (1 KB = 1024 B), megabytes to gigabytes (1 GB = 1024 MB), and gigabytes to terabytes (1 TB = 1024 GB).

Understanding Digital Data Units

Digital data is measured in bits (the smallest unit, representing a 0 or 1) and bytes (8 bits). Larger units use prefixes that can follow two different standards:

  • Decimal (SI) prefixes: 1 KB = 1,000 bytes, 1 MB = 1,000 KB, 1 GB = 1,000 MB. Used by storage manufacturers and networking.
  • Binary (IEC) prefixes: 1 KiB = 1,024 bytes, 1 MiB = 1,024 KiB, 1 GiB = 1,024 MiB. Used by operating systems and memory specifications.

This discrepancy is why a "500 GB" hard drive shows about 465 GB in your operating system — the manufacturer uses decimal while the OS uses binary.

Common Data Size Conversions

Practical data size conversions for developers and IT professionals:

  • Megabytes to Gigabytes: Divide by 1,000 (decimal) or 1,024 (binary). A 4,700 MB DVD is about 4.7 GB.
  • Gigabytes to Terabytes: Divide by 1,000. A 2,000 GB hard drive is 2 TB.
  • Bits to Bytes: Divide by 8. A 100 Mbps internet connection can transfer about 12.5 MB per second.
  • Kilobytes to Megabytes: Divide by 1,000. A 2,500 KB image is 2.5 MB.
  • Megabits to Megabytes: Divide by 8. Internet speeds in Mbps (bits) vs file sizes in MB (bytes) often causes confusion.

Data Conversion for Developers

Understanding data units is essential in software development:

  • API Limits: Cloud services often have payload size limits in MB or KB. Knowing exact sizes prevents request failures.
  • Database Sizing: Estimating storage needs requires converting between row sizes (bytes/KB) and total database size (GB/TB).
  • Network Bandwidth: Internet speeds are marketed in Mbps (megabits), but downloads show MB/s (megabytes). Divide advertised speed by 8 to get expected download rate.
  • Cloud Storage Costs: AWS, GCP, and Azure bill per GB-month. Understanding exact data sizes helps predict costs accurately.
  • Log Management: Application logs can grow from KB to GB quickly. Estimating log rotation needs requires reliable unit conversion.

Frequently Asked Questions

Find answers to common questions

Storage manufacturers use decimal prefixes (1 GB = 1,000 MB = 1,000,000,000 bytes), while operating systems use binary (1 GiB = 1,024 MiB = 1,073,741,824 bytes). A "500 GB" drive contains 500,000,000,000 bytes, which equals about 465.66 GiB as shown by your OS.
Mbps (megabits per second) measures network speed in bits, while MB/s (megabytes per second) measures data transfer in bytes. Since 1 byte = 8 bits, divide Mbps by 8 to get MB/s. A 100 Mbps connection can download at about 12.5 MB/s.
It depends on the standard. In the decimal (SI) system: 1 KB = 1,000 bytes. In the binary (IEC) system: 1 KiB = 1,024 bytes. Most modern storage and networking uses the decimal definition.
Cloud providers bill per GB-month. To estimate costs: calculate your total data size in GB, multiply by the per-GB price, and multiply by months. For example, 500 GB at $0.023/GB-month (AWS S3) = $11.50/month.

Convert between units of length, weight, temperature, volume, area, and more. Convert meters to kilometers, grams to kg, inches to centimeters, and hundreds of other units instantly.

UtilityConversionCalculator