What is the difference between KB and KiB?

KB (kilobyte) can mean 1,000 bytes (decimal/SI) or 1,024 bytes (binary). KiB (kibibyte) strictly means 1,024 bytes. Our converter uses binary (1 KB = 1,024 B).

How many MB are in a GB?

One gigabyte equals 1,024 megabytes (binary). In decimal, 1 GB = 1,000 MB. Storage manufacturers typically use decimal.

Why does my hard drive show less space than advertised?

Hard drive manufacturers use decimal units (1 GB = 1,000,000,000 bytes), while operating systems use binary (1 GB = 1,073,741,824 bytes), making the drive appear smaller.

How many GB are in a TB?

One terabyte equals 1,024 gigabytes in binary, or 1,000 gigabytes in decimal notation.

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Data Size Converter

Convert between bytes, kilobytes, megabytes, gigabytes, and terabytes.

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About Data Size Conversion

1 KB = 1,024 bytes (binary). 1 MB = 1,024 KB. 1 GB = 1,024 MB. 1 TB = 1,024 GB. Note: storage manufacturers often use decimal (1 KB = 1,000 B), while operating systems use binary.