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Convert file sizes between kilobytes, megabytes, gigabytes, terabytes, and petabytes instantly.

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About This Tool

The Online Converter KB is a powerful tool for converting digital storage units between kilobytes (KB), megabytes (MB), gigabytes (GB), terabytes (TB), and petabytes (PB). Whether you're managing files, estimating storage needs, or working with data sizes, this tool provides accurate conversions with a simple, intuitive interface. Simply enter a value, select the source and target units, and get instant results. No installation required - works entirely in your browser.

Save your calculation history with a free account

How to Use

Enter a numeric value in the input field.
Select the source unit (e.g., KB, MB, GB) from the first dropdown.
Select the target unit (e.g., MB, GB, TB) from the second dropdown.
Click the 'Convert' button to see the result.
View the detailed conversion in the results section below.

Frequently Asked Questions

Find Quick Answers

What units does this converter support?

The tool supports conversions between kilobytes (KB), megabytes (MB), gigabytes (GB), terabytes (TB), and petabytes (PB).

Is this tool free to use?

Yes, the Online Converter KB is completely free to use with no registration required.

Does the tool require an internet connection?

Yes, the tool loads in your browser but all calculations are performed client-side, so it works after initial load.

How accurate are the conversions?

Conversions are based on standard binary prefixes (1 KB = 1024 bytes, 1 MB = 1024 KB, etc.) and are mathematically precise.

Need to run multiple calculations?

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