ConverterkB to Bytes Converter
Expand a prefixed quantity into bytes using either kB x 1000 or KiB x 1024. The exact mathematical result remains visible even when a decimal input produces a fractional byte.
Decimal SI is selected. Enter up to 120 significant digits using a decimal point or scientific notation with exponent magnitude no greater than 1000. Commas and negative quantities are rejected.
Do Not Round A Fractional Byte Silently
Decimal mode uses B = kB x 1000; Binary mode uses B = KiB x 1024. If the result is fractional, the page labels it as mathematical output rather than silently applying floor, ceiling, or nearest-integer rounding.
File Metadata Usually Uses Whole Bytes
A stored file length is normally represented as whole bytes. Allocation units, blocks, encoding overhead, and filesystem metadata are separate concepts and are not inferred here.
Frequently Asked Questions
Yes for a mathematical decimal input. Literal file lengths are normally whole bytes, so review the source meaning instead of assuming a rounding rule.
No. It does not calculate filesystem allocation or block size.
Swap carries the exact unrounded value and the selected Decimal SI or IEC Binary convention to the reverse page.