Megabyte (MB)
A decimal megabyte (MB) is exactly 1,000,000 bytes (1,000 KB) — not to be confused with the binary mebibyte (MiB).
Decimal MB sizes photo attachments, app downloads, and cloud storage tiers on many consumer devices.
Megabyte to Kilobyte
Convert megabyte to kilobyte instantly. Type in either field — results update live.
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Data Storage Megabyte Kilobyte
1 megabyte = 1,000 kilobytes
Unit
Unit
Conversion table
Selected MB values converted to KB using the exact factor from this tool.
| MB | KB |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 1,000 | 1,000,000 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 MB = 1000 KB
1 KB = 0.001 MB
To convert megabyte to kilobyte, multiply by 1000.
To convert kilobyte to megabyte, multiply by 0.001.
Example: convert 10 MB to KB
10 × 1000 = 10000 KB
About these units
Short background on the units used in this conversion.
Kilobyte (KB)
A decimal kilobyte (KB) is exactly 1,000 bytes — the SI-style prefix used by storage vendors and many operating systems.
Decimal KB and MB appear on USB drive labels, broadband speed marketing, and macOS storage displays.
Frequently asked questions
How many kilobytes are in one megabyte?
One megabyte equals 1,000 kilobytes. Multiply your megabytes value by 1,000 to convert to kilobytes.
What is the conversion formula?
KB = MB × 1,000The reverse is
MB = KB × 0.001, using the same exact factors as this converter.Is this Megabyte to Kilobyte converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All megabyte conversions
Jump to any data storage conversion starting from megabyte — including the reverse direction and every other unit in our dataset.
kilobyte (KB) → megabyte (MB)
megabyte (MB) → byte (B)megabyte (MB) → bit (b)megabyte (MB) → nibblemegabyte (MB) → gigabyte (GB)megabyte (MB) → terabyte (TB)megabyte (MB) → petabyte (PB)megabyte (MB) → exabyte (EB)megabyte (MB) → kibibyte (KiB)megabyte (MB) → mebibyte (MiB)megabyte (MB) → gibibyte (GiB)megabyte (MB) → tebibyte (TiB)megabyte (MB) → pebibyte (PiB)megabyte (MB) → kilobit (kbit)megabyte (MB) → megabit (Mbit)megabyte (MB) → gigabit (Gbit)megabyte (MB) → terabit (Tbit)megabyte (MB) → petabit (Pbit)megabyte (MB) → exabit (Ebit)megabyte (MB) → kibibit (Kibit)megabyte (MB) → mebibit (Mibit)megabyte (MB) → gibibit (Gibit)megabyte (MB) → tebibit (Tibit)megabyte (MB) → pebibit (Pibit)megabyte (MB) → megabit per second (Mbps)megabyte (MB) → megabyte per second (MB/s)megabyte (MB) → gigabit per second (Gbps)megabyte (MB) → gigabyte per second (GB/s)megabyte (MB) → kilobit per second (kb/s)megabyte (MB) → kilobyte per second (KB/s)megabyte (MB) → bit per second (b/s)megabyte (MB) → byte per second (B/s)megabyte (MB) → character (char)megabyte (MB) → wordmegabyte (MB) → mapm-wordmegabyte (MB) → quadruple-word (quad-word)megabyte (MB) → blockmegabyte (MB) → floppy 3.5" dd (3.5" DD)megabyte (MB) → floppy 3.5" hd (3.5" HD)megabyte (MB) → floppy 3.5" ed (3.5" ED)megabyte (MB) → floppy 5.25" dd (5.25" DD)megabyte (MB) → floppy 5.25" hd (5.25" HD)megabyte (MB) → zip 100megabyte (MB) → zip 250megabyte (MB) → jaz 1gbmegabyte (MB) → jaz 2gbmegabyte (MB) → cd (74 min)megabyte (MB) → cd (80 min)megabyte (MB) → dvd (single layer) (DVD SL)megabyte (MB) → dvd (dual layer) (DVD DL)