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Gigabyte to Megabyte Converter

Gigabyte to Megabyte Converter

1 GB = 1,024 MB — convert instantly with formula and table.

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Type a value above and it converts instantly — no button to press, no page reload, and the math runs entirely in your browser.

Quick answer: one gigabyte equals 1,024 megabytes. So to convert gigabytes to megabytes, multiply by 1,024.

How to convert gigabytes to megabytes

megabytes = gigabytes × 1,024

The gigabyte (1,024 MB) is the everyday unit of phone storage and data plans; an hour of HD video streaming uses roughly 3 GB.

The megabyte (1,024 KB) is the scale of photos and songs: a smartphone photo runs 2–5 MB, an MP3 about 1 MB per minute.

Gigabyte to Megabyte conversion table

Gigabyte (GB)Megabyte (MB)
0.01 GB10.24 MB
0.1 GB102.4 MB
0.25 GB256 MB
0.4 GB409.6 MB
0.75 GB768 MB
1.25 GB1,280 MB
1.75 GB1,792 MB
2.5 GB2,560 MB
3.5 GB3,584 MB
4.5 GB4,608 MB
6 GB6,144 MB
8 GB8,192 MB
10 GB10,240 MB
12 GB12,288 MB
14 GB14,336 MB
16 GB16,384 MB
18 GB18,432 MB
20 GB20,480 MB
24 GB24,576 MB
26 GB26,624 MB
30 GB30,720 MB
35 GB35,840 MB
45 GB46,080 MB
55 GB56,320 MB
65 GB66,560 MB
75 GB76,800 MB
85 GB87,040 MB
95 GB97,280 MB
110 GB112,640 MB
125 GB128,000 MB
175 GB179,200 MB
250 GB256,000 MB
350 GB358,400 MB
450 GB460,800 MB
600 GB614,400 MB
750 GB768,000 MB
900 GB921,600 MB
1,500 GB1,536,000 MB
2,500 GB2,560,000 MB
10,000 GB10,240,000 MB

Need the opposite direction? Use the Megabyte to Gigabyte converter, or read our complete guide to data storage conversions for every formula in one place.

Frequently asked questions

How many megabytes are in one gigabyte?

One gigabyte equals 1,024 megabytes. Multiply any gigabyte value by 1,024 to get megabytes.

What is 10 gigabytes in megabytes?

10 gigabytes equal 10,240 megabytes (10 × 1,024).

Is the gigabyte to megabyte conversion exact?

The conversion factor used here (1,024) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.

Is my data stored when I use this converter?

No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.