Free Online File Size Converter

Convert between different file size units with precision and ease using our comprehensive file size converter tool. Whether you’re working with storage planning, file management, or data analysis, our tool supports all major file size units with both binary and decimal standards.

File Size Converter

Convert between different file size units with precision and ease

All Conversions

Common File Sizes

Floppy Disk 1.44 MB
CD-ROM 700 MB
DVD 4.7 GB
Blu-ray 25 GB
1 TB Drive 1 TB
MP3 Song 5 MB
HD Photo 100 MB
HD Movie 1 GB

Recent Conversions

File Size Units

  • Bytes (B): Basic unit of digital information
  • Kilobytes (KB): 1,024 bytes (binary) or 1,000 bytes (decimal)
  • Megabytes (MB): 1,024 KB (binary) or 1,000 KB (decimal)
  • Gigabytes (GB): 1,024 MB (binary) or 1,000 MB (decimal)
  • Terabytes (TB): 1,024 GB (binary) or 1,000 GB (decimal)
  • Petabytes (PB): 1,024 TB (binary) or 1,000 TB (decimal)

Binary vs Decimal

  • Binary (1024): Used by operating systems and storage devices
  • Decimal (1000): Used by storage manufacturers and marketing
  • Example: 1 GB = 1,073,741,824 bytes (binary) vs 1,000,000,000 bytes (decimal)

Common Use Cases

  • Storage Planning: Calculate required storage space
  • File Management: Understand file sizes and storage usage
  • Bandwidth Planning: Calculate data transfer requirements
  • System Administration: Monitor disk usage and capacity
  • Data Analysis: Convert between different size representations

Supported Units

Conversion Standards

How to Use

  1. Enter the file size you want to convert
  2. Select the source unit from the dropdown
  3. Choose the target unit for conversion
  4. Select binary or decimal standard
  5. Set precision for decimal places
  6. View the converted result instantly

Common Use Cases