Sumwise

Gigabytes to megabytes

megabytes = gigabytes × 1,000

Reverse: megabytes to gigabytes

How to convert gigabytes to megabytes

One gigabyte is 1,000 megabytes, so multiply the number of gigabytes by 1,000. For example, 20 gigabytes is 20 × 1,000 = 20,000 megabytes. To go back, divide by the same number, or multiply by 0.001.

Quick estimate

Multiplying by about 1000 gets within 0.0% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Data conversions come up when comparing storage on phones and drives, file and download sizes, and internet plans.

gigabytesmegabytes
1 gb1,000 mb
2 gb2,000 mb
3 gb3,000 mb
4 gb4,000 mb
5 gb5,000 mb
6 gb6,000 mb
7 gb7,000 mb
8 gb8,000 mb
9 gb9,000 mb
10 gb10,000 mb
11 gb11,000 mb
12 gb12,000 mb
13 gb13,000 mb
14 gb14,000 mb
15 gb15,000 mb
16 gb16,000 mb
17 gb17,000 mb
18 gb18,000 mb
19 gb19,000 mb
20 gb20,000 mb
25 gb25,000 mb
30 gb30,000 mb
40 gb40,000 mb
50 gb50,000 mb
60 gb60,000 mb
70 gb70,000 mb
75 gb75,000 mb
80 gb80,000 mb
90 gb90,000 mb
100 gb100,000 mb
120 gb120,000 mb
150 gb150,000 mb
200 gb200,000 mb
250 gb250,000 mb
300 gb300,000 mb
400 gb400,000 mb
500 gb500,000 mb
750 gb750,000 mb
1,000 gb1,000,000 mb
1,500 gb1,500,000 mb
2,000 gb2,000,000 mb
5,000 gb5,000,000 mb
10,000 gb10,000,000 mb

Questions

How many megabytes are in a gigabyte?

1,000 megabytes.

How do I convert gigabytes to megabytes in a spreadsheet?

Put the value in A1 and type =A1*1000, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.