Data Storage Converter

Convert between bytes, KB, MB, GB, TB and PB instantly. Choose decimal (SI) or binary (IEC) results.

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Manual Conversion
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File → Size
GB → MB
MB → GB
TB → GB
GB → TB
KB → MB
MB → KB
Bytes → KB

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What is OMCALCULATOR?

KBMB provides accurate, free data storage unit converters for bytes, kilobytes, megabytes, gigabytes, terabytes and petabytes.

Decimal (SI) — 1 KB = 1,000 B, 1 MB = 1,000,000 B, 1 GB = 1,000,000,000 B.
Binary (IEC) — 1 KiB = 1,024 B, 1 MiB = 1,048,576 B, 1 GiB = 1,073,741,824 B.