File Size Converter
Convert file sizes between bytes, kilobytes, megabytes, gigabytes, and terabytes.
We use the binary standard (1024) for our conversions, as it is the most common standard used by operating systems for file measurement.
How to use
- 1
Select the source unit (e.g., Megabytes).
- 2
Select the target unit (e.g., Gigabytes).
- 3
Enter the digital value you want to convert.
- 4
The result will update instantly.
- 5
Use the result to check if your file fits on a USB drive or cloud storage.
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Formula
Binary conversion: Decimal (SI) conversion:
Frequently asked questions
Why does my 500GB hard drive only show 465GB in Windows?
Manufacturers use the Decimal system (1000³) to label drives, while operating systems like Windows use the Binary system (1024³). This 'missing' space is just a difference in calculation methods.
What is a Petabyte?
A Petabyte (PB) is 1,024 Terabytes. It is a massive unit of data usually used by data centers and cloud providers like Google or Netflix.