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GB to MB Converter

Convert GB to MB instantly: 1 gigabyte = 1,024 megabytes. Free gb to mb converter with formula, chart and examples. No sign-up needed.

1 gigabyte = 1,024 megabytes

All conversions

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How to Convert GB to MB

The formula is megabytes = gigabytes × 1,024. 1 gigabyte = 1,024 megabytes. Type any value in the converter above for an instant answer, or use the chart below for the most common values.

This page is preset for gigabyte to megabyte conversions, but you can switch either list to any of the 41 units in the Data Storage Converter, or go the other way with the MB to GB converter.

GB to MB conversion chart

GBMB
0.1 GB102.4 MB
0.25 GB256 MB
0.5 GB512 MB
1 GB1,024 MB
2 GB2,048 MB
3 GB3,072 MB
4 GB4,096 MB
5 GB5,120 MB
6 GB6,144 MB
7 GB7,168 MB
8 GB8,192 MB
9 GB9,216 MB
10 GB10,240 MB
11 GB11,264 MB
12 GB12,288 MB
13 GB13,312 MB
14 GB14,336 MB
15 GB15,360 MB
16 GB16,384 MB
17 GB17,408 MB
18 GB18,432 MB
19 GB19,456 MB
20 GB20,480 MB
25 GB25,600 MB
30 GB30,720 MB
40 GB40,960 MB
50 GB51,200 MB
60 GB61,440 MB
70 GB71,680 MB
75 GB76,800 MB
80 GB81,920 MB
90 GB92,160 MB
100 GB102,400 MB
150 GB153,600 MB
200 GB204,800 MB
250 GB256,000 MB
500 GB512,000 MB
1,000 GB1,024,000 MB

Common GB to MB conversions

  • 1 gigabyte = 1,024 megabytes
  • 1 GB = 1,024 MB
  • 2 GB = 2,048 MB
  • 4 GB = 4,096 MB
  • 8 GB = 8,192 MB
  • 16 GB = 16,384 MB

Popular data storage converters

MB to GBGB to TBTB to GBKB to MB

How to Use the GB to MB Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How many megabytes are in a gigabyte?

There are 1,024 megabytes in 1 gigabyte. Going the other way, 1 megabyte = 0.0009765625 gigabytes.

How do I convert GB to MB?

Use the formula megabytes = gigabytes × 1,024. For example, 1 gigabyte = 1,024 megabytes. Or type the value in the converter above and the answer appears as you type.

What is the GB to MB formula?

megabytes = gigabytes × 1,024 — the conversion factor is exact to the digits shown, using the international definitions of both units.

What is 1 gigabyte in megabytes?

1 gigabyte = 1,024 megabytes.

What is 2 gigabytes in megabytes?

2 gigabytes = 2,048 megabytes.

What is 4 gigabytes in megabytes?

4 gigabytes = 4,096 megabytes.

What is 8 gigabytes in megabytes?

8 gigabytes = 8,192 megabytes.

What is 16 gigabytes in megabytes?

16 gigabytes = 16,384 megabytes.

How do I convert MB back to GB?

Use the swap button in the converter above, or open our MB to GB converter. gigabytes = megabytes × 0.0009765625.

Is this GB to MB converter accurate?

Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.

Can I convert GB to other data storage units?

Yes — pick any unit in the From and To lists above, or open the full Data Storage Converter, which handles 41 data storage units.

Is the GB to MB converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.