Convert data storage instantly — type a value, pick your units, and every other common unit updates live below. 100% free, runs entirely in your browser, no sign-up.
Every unit below updates live from the value you enter in the "From" field above.
This converter uses the traditional binary convention (1 KB = 1024 bytes, 1 MB = 1024 KB, and so on) that operating systems like Windows and macOS use when reporting file and drive sizes. Storage manufacturers usually advertise capacity using decimal (1 KB = 1000 bytes) instead, which is the single biggest reason a "1 TB" drive shows up as roughly 931 GB in your file explorer — both are "correct," they're just counting differently.
Yes. It's completely free with no sign-up, and every conversion runs locally in your browser via JavaScript — the numbers you type are never sent to our servers.
Each unit uses its standard, internationally defined conversion factor, calculated in full precision and only rounded for display. Results are accurate to at least 6 significant figures.
This page intentionally covers the most commonly used data storage units rather than an exhaustive engineering list. Use the suggestion button in the bottom-right corner of any page to request a unit and we'll consider adding it.
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