Kilobytes to kibibytes converter
Convertersconversion pair
Convert kilobytes to kibibytes instantly: 1 KB is 0.977 KiB. Storage, specs and the decimal trap, with the exact math and a copy button.
1 KB is 0.977 KiB — the decimal and binary units finally meet.
work surface
Math, not advice — results are indicative. Read the disclaimer.
pro tips
Divide by 1.024: 1,000 KB is about 977 KiB.
1 KB is 1,000 bytes, 1 KiB is 1,024 — the 2.4% gap adds up with size.
This is the exact conversion behind "why is my storage smaller than advertised".
what it does
One kibibyte is 1,024 bytes and one kilobyte is 1,000 bytes, so a kilobyte is 0.9766 kibibytes. Divide kilobytes by 1.024 and the kibibytes appear — the conversion that explains half of all storage confusion.
It shows up when a drive advertised in KB meets an OS reporting in KiB, when a spec lists decimal units and software uses binary ones, when a file size difference of a few percent needs explaining, and in any settings screen that says "KB" but counts 1,024 bytes behind the scenes.
The shortcut: 1 KB is 0.977 KiB, so 1,000 KB is about 977 KiB, and the gap is about 2.4%. Small per unit, but across terabytes it becomes the "missing" gigabytes everyone complains about.
Type any kilobyte value and the widget answers in kibibytes instantly, with the math in the hint. Click to copy, and swap when a kibibyte figure has to be understood in decimal kilobytes.
quick answers
Is 1 KB the same as 1 KiB?
No — 1 KB is 1,000 bytes, 1 KiB is 1,024 bytes, about 2.4% more.
How many kibibytes are in a kilobyte?
About 0.977.
Why do the two exist?
Because decimal units (KB) suit marketing and binary units (KiB) suit memory addressing. Both are correct; they just disagree.