Megabyte to Gigabyte Converter
Type a value — the answer appears instantly. 1 MB = 0.001 GB.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.001 gigabytes
= 1,000,000 B= 0.000001 TB
equals 0.001 gigabytesFormula: GB = MB × 0.001
Megabyte to Gigabyte formula
GB = MB × 0.001
Convert 5 megabytes to gigabytes
- Start with 5 megabytes.
- Multiply by the conversion factor: 5 × 0.001 = 0.005.
- So 5 MB = 0.005 GB.
Megabyte to Gigabyte conversion table
| Megabytes (MB) | Gigabytes (GB) |
|---|---|
| 0.01 MB | 0.00001 GB |
| 0.1 MB | 0.0001 GB |
| 0.25 MB | 0.00025 GB |
| 0.5 MB | 0.0005 GB |
| 1 MB | 0.001 GB |
| 2 MB | 0.002 GB |
| 3 MB | 0.003 GB |
| 4 MB | 0.004 GB |
| 5 MB | 0.005 GB |
| 6 MB | 0.006 GB |
| 7 MB | 0.007 GB |
| 8 MB | 0.008 GB |
| 9 MB | 0.009 GB |
| 10 MB | 0.01 GB |
| 15 MB | 0.015 GB |
| 20 MB | 0.02 GB |
| 25 MB | 0.025 GB |
| 30 MB | 0.03 GB |
| 40 MB | 0.04 GB |
| 50 MB | 0.05 GB |
| 75 MB | 0.075 GB |
| 100 MB | 0.1 GB |
| 250 MB | 0.25 GB |
| 500 MB | 0.5 GB |
| 1,000 MB | 1 GB |
| 5,000 MB | 5 GB |
| 10,000 MB | 10 GB |
Unit definitions
What is a megabyte?
The megabyte (decimal) is one million bytes (1000²) under the SI convention. Photos, songs, and documents are commonly sized in megabytes. It differs from the mebibyte, which is 1,048,576 bytes.
What is a gigabyte?
The gigabyte (decimal) is one billion bytes (1000³) under the SI convention that drive and phone makers use. Movies, apps, and storage capacities are usually quoted in gigabytes. It is smaller than a gibibyte (1,073,741,824 bytes).
Frequently asked questions
How many gigabytes are in one megabyte?
One megabyte equals 0.001 gigabytes (1 MB = 0.001 GB).
How do I convert megabytes to gigabytes?
Multiply the value in megabytes by 0.001. For example, 10 MB × 0.001 = 0.01 GB.
Which is bigger — a megabyte or a gigabyte?
A gigabyte is bigger: one gigabyte contains 1,000 megabytes.
Is this megabyte to gigabyte converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.