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Byte Converter - Free Convert KB, MB, GB, TB Online

Free online byte converter. Convert between bytes, kilobytes, megabytes, gigabytes, terabytes and more. Supports both binary (1024) and decimal (1000) units. No signup required.

StorageKBMBGB
Floppy Disk (1.44 MB)1474.561.440.00140625
CD-ROM (700 MB)7168007000.68359375
DVD (4.7 GB)4928307.20024812.800000194.70000000019
USB Drive (8 GB)838860881928
Blu-ray (25 GB)262144002560025
SSD (256 GB)268435456262144256
Hard Drive (1 TB)107374182410485761024
Hard Drive (4 TB)429496729641943044096

Byte Converter - File Size Unit Converter

This byte converter tool lets you quickly convert between file size units including bits, bytes, kilobytes, megabytes, gigabytes, terabytes, and petabytes. Supports both binary (base-1024: KiB, MiB, GiB) and decimal (base-1000: KB, MB, GB) standards. Useful for calculating storage, bandwidth, and file sizes. All processing happens in your browser โ€” your data never leaves your device.

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FAQ

How do I convert bytes to kilobytes?
Divide by 1024 for binary (KiB) or 1000 for decimal (KB). 1 KiB = 1024 bytes, 1 KB = 1000 bytes. The tool handles both systems and converts between bytes, KB, MB, GB, TB, and PB.
What is the difference between KB and KiB?
KB (kilobyte) = 1000 bytes (decimal/SI system, used by storage manufacturers). KiB (kibibyte) = 1024 bytes (binary system, used by operating systems). A 500 GB drive shows as ~465 GiB in your OS.
How do I convert file sizes between units?
Enter any value with its unit (bytes, KB, MB, GB, TB) and the converter instantly shows the equivalent in all other units. Supports both binary (power of 1024) and decimal (power of 1000) systems.