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 Gigabyte
Convert megabyte to gigabyte instantly. Type in either field — results update live.
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Data Storage Megabyte Gigabyte
1 megabyte = 0.001 gigabytes
Unit
Unit
Conversion table
Selected MB values converted to GB using the exact factor from this tool.
| MB | GB |
|---|---|
| 0.01 | 0.00001 |
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 1,000 | 1 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 MB = 0.001 GB
1 GB = 1000 MB
To convert megabyte to gigabyte, multiply by 0.001.
To convert gigabyte to megabyte, multiply by 1000.
Example: convert 10 MB to GB
10 × 0.001 = 0.01 GB
About these units
Short background on the units used in this conversion.
Gigabyte (GB)
A decimal gigabyte (GB) is exactly 1,000,000,000 bytes — one thousand decimal megabytes.
Decimal GB labels phone storage, SSD capacity, and data plan allowances in telecom marketing.
Frequently asked questions
How many gigabytes are in one megabyte?
One megabyte equals 0.001 gigabytes. Multiply your megabytes value by 0.001 to convert to gigabytes.
What is the conversion formula?
GB = MB × 0.001The reverse is
MB = GB × 1,000, using the same exact factors as this converter.Is this Megabyte to Gigabyte 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.
gigabyte (GB) → megabyte (MB)
megabyte (MB) → byte (B)megabyte (MB) → bit (b)megabyte (MB) → nibblemegabyte (MB) → kilobyte (KB)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)