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Byte Converter

Math & Numbers

Convert between bytes, KB, MB, GB, TB, and PB. Free, private — all processing in your browser.

Value

Unit

Standard

Decimal (SI)

Bytes1,000,000 B

Kilobytes1,000 KB

Megabytes1 MB

Gigabytes0.001 GB

Terabytes1.00e-6 TB

Petabytes1.00e-9 PB

Bits

Bits8,000,000 b

Kilobits8,000 Kb

Megabits8 Mb

Gigabits0.008 Gb

Size Comparison

Text file (1 page)

488.3×

MP3 song (4 min)

24%

Photo (high res)

19%

1080p movie (2 hr)

4K movie (2 hr)

iPhone storage

1 TB hard drive

How to use

1. Enter or paste your data in the input area above
2. Adjust settings or options as needed
3. Click the action button or see real-time results
4. Copy the result with the copy button

All processing happens in your browser. Nothing is sent to any server.

About this tool

Convert digital storage units between bytes, kilobytes (KB), megabytes (MB), gigabytes (GB), terabytes (TB), and petabytes (PB). Our converter uses the binary standard (1 KB = 1024 bytes) which matches how operating systems and programming languages measure file sizes. Enter a value in any unit and see all conversions simultaneously. Essential for estimating storage requirements, understanding API rate limits, calculating bandwidth usage, sizing database columns, and communicating file sizes across teams. The tool displays results with up to 6 decimal places for precision.