MB to KB Converter — Megabytes to Kilobytes

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Frequently Asked Questions — MB to KB

Question: How many KB is 1 MB?

Answer: 1 MB = 1024 KB in binary (as reported by operating systems). Multiply megabytes by 1024 to get kilobytes.

Question: How do I convert MB to KB?

Answer: Multiply the megabytes by 1024. For example, 5 MB × 1024 = 5120 KB.

Question: How many KB in 5 MB?

Answer: 5 × 1024 = 5120 KB.

Question: How many KB in 100 MB?

Answer: 100 × 1024 = 102,400 KB.

Question: Is 1 MB always 1024 KB?

Answer: In binary (IEC standard used by operating systems), 1 MB = 1024 KB (1 kibibyte). In decimal (SI), 1 MB = 1000 KB. Most software and OS use binary. The IEC standard calls binary units "mebibyte (MiB)" vs "megabyte (MB)".