Mb to Gb ConverterRight in Your Browser

Convert megabytes (MB) to gigabytes (GB). The megabyte (MB) is 1,000 kilobytes — the scale of photos, songs and email attachment limits. The gigabyte (GB) is 1,000 megabytes — the scale of phone storage, video files and data plans. Everything is calculated locally in your browser — no server, and it works offline.

equals

0.001 GB

in gigabytes (gigabyte)

To convert megabytes to gigabytes, multiply the megabyte value by 0.001.

Switch to Gb to Mb

Mb to Gb Chart

Megabytes (MB)Gigabytes (GB)
10.001
20.002
30.003
40.004
50.005
100.01
200.02
500.05
1000.1

Frequently Asked Questions

How many gigabytes are in a megabyte?

One megabyte equals 0.001 gigabytes (1 MB = 0.001 GB). So to go from megabytes to gigabytes, multiply the megabyte value by 0.001.

What is the formula to convert megabytes to gigabytes?

To convert megabytes to gigabytes, multiply the megabyte value by 0.001. For example, 10 MB is 0.01 GB.

What is 25 megabytes in gigabytes?

25 megabytes — a typical email attachment limit — is 0.025 gigabytes. The converter above works for any value, entirely in your browser.

Is the megabyte to gigabyte conversion exact?

The factor used here is the defined value: 1 MB = 0.001 GB. Results are rounded to six significant digits for readability, so for high-precision work use the full factor. This converter uses decimal (SI) units — 1 MB = 1,000 KB — matching drive labels and macOS. Windows Explorer reports binary mebibytes (1 MiB = 1,024 KiB), so the same file shows a slightly smaller number there. This converter uses decimal (SI) units — 1 GB = 1,000 MB — the convention drive makers and data plans use. Windows reports binary gibibytes (1 GiB = 1,024 MiB), which is why a "500 GB" drive shows as about 465 GB there.

Every conversion runs 100% in your browser — zero files uploaded, ever.

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