Megabytes to gigabytes
gigabytes = megabytes × 0.001
Reverse: gigabytes to megabytes
How to convert megabytes to gigabytes
One megabyte is 0.001 gigabytes, so multiply the number of megabytes by 0.001. For example, 20 megabytes is 20 × 0.001 = 0.02 gigabytes. To go back, divide by the same number, or multiply by 1,000.
Quick estimate
Multiplying by about 0.001 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.
| megabytes | gigabytes |
|---|---|
| 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 |
| 11 mb | 0.011 gb |
| 12 mb | 0.012 gb |
| 13 mb | 0.013 gb |
| 14 mb | 0.014 gb |
| 15 mb | 0.015 gb |
| 16 mb | 0.016 gb |
| 17 mb | 0.017 gb |
| 18 mb | 0.018 gb |
| 19 mb | 0.019 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 |
| 60 mb | 0.06 gb |
| 70 mb | 0.07 gb |
| 75 mb | 0.075 gb |
| 80 mb | 0.08 gb |
| 90 mb | 0.09 gb |
| 100 mb | 0.1 gb |
| 120 mb | 0.12 gb |
| 150 mb | 0.15 gb |
| 200 mb | 0.2 gb |
| 250 mb | 0.25 gb |
| 300 mb | 0.3 gb |
| 400 mb | 0.4 gb |
| 500 mb | 0.5 gb |
| 750 mb | 0.75 gb |
| 1,000 mb | 1 gb |
| 1,500 mb | 1.5 gb |
| 2,000 mb | 2 gb |
| 5,000 mb | 5 gb |
| 10,000 mb | 10 gb |
Questions
How many gigabytes are in a megabyte?
0.001 gigabytes.
How do I convert megabytes to gigabytes in a spreadsheet?
Put the value in A1 and type =A1*0.001, 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.