Convert bytes, KB, MB, GB, TB. Free data size converter.
This data size converter tool lets you convert between bytes, kilobytes, megabytes, gigabytes, and terabytes. It is designed for speed and accuracy, running entirely in your browser with no data sent to any server. Whether you are a student, professional, or simply need a quick answer, this calculator provides instant results with clear explanations. The converter uses binary definitions where 1 KB equals 1,024 bytes, 1 MB equals 1,024 KB, and so on. This matches how operating systems and file managers report file sizes, as opposed to the decimal definitions used by storage manufacturers where 1 KB equals 1,000 bytes.
The converter uses binary definitions where 1 KB equals 1,024 bytes, 1 MB equals 1,024 KB, and so on. This matches how operating systems and file managers report file sizes, as opposed to the decimal definitions used by storage manufacturers where 1 KB equals 1,000 bytes.
Users understand file sizes and storage capacity across different units. IT professionals plan storage requirements for servers and databases. Consumers compare internet service provider speeds quoted in different units. Photographers estimate how many photos fit on a memory card. Video editors calculate storage needs for footage at different resolutions.
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Yes, this Data Size Converter calculator is completely free with no signup, no account creation, and no usage limits. All calculations run locally in your browser, so your data stays private and results appear instantly.
This calculator uses standard mathematical formulas and internationally recognized conversion factors. Results are displayed with up to six significant digits of precision. For most everyday uses, the results are more than accurate enough.
Yes, the calculator is fully responsive and works on smartphones, tablets, and desktop computers. The interface automatically adjusts to your screen size. Touch inputs and on-screen keyboards work seamlessly.
Once the page has loaded in your browser, the calculator works without an internet connection. All computation happens locally using JavaScript. Bookmark the page for quick access anytime.
This calculator uses standard, well-established formulas that are widely accepted in education, science, and professional practice. The specific formula is explained in the "How it works" section above.