How do you convert GB to MB?
Multiply the number of gigabytes by 1,000. This conversion mainly helps size up a mobile plan: knowing a GB is a thousand MB lets you match the plan against real app consumption, which is usually shown in MB.
GB = MB ÷ 1,000
Mobile plans and consumption
| 0.1 GB | 100 MB |
| 0.5 GB | 500 MB |
| 1 GB | 1,000 MB |
| 2 GB | 2,000 MB |
| 5 GB | 5,000 MB |
| 10 GB | 10,000 MB |
| 20 GB (typical plan) | 20,000 MB |
| 50 GB | 50,000 MB |
| 100 GB | 100,000 MB |
| 200 GB | 200,000 MB |
| 1,000 GB (1 TB) | 1,000,000 MB |
Show every value
- 1 GB = 1,000 MB
- 2 GB = 2,000 MB
- 3 GB = 3,000 MB
- 4 GB = 4,000 MB
- 5 GB = 5,000 MB
- 6 GB = 6,000 MB
- 7 GB = 7,000 MB
- 8 GB = 8,000 MB
- 9 GB = 9,000 MB
- 10 GB = 10,000 MB
- 11 GB = 11,000 MB
- 12 GB = 12,000 MB
- 13 GB = 13,000 MB
- 14 GB = 14,000 MB
- 15 GB = 15,000 MB
- 16 GB = 16,000 MB
- 17 GB = 17,000 MB
- 18 GB = 18,000 MB
- 19 GB = 19,000 MB
- 20 GB = 20,000 MB
- 21 GB = 21,000 MB
- 22 GB = 22,000 MB
- 23 GB = 23,000 MB
- 24 GB = 24,000 MB
- 25 GB = 25,000 MB
- 26 GB = 26,000 MB
- 27 GB = 27,000 MB
- 28 GB = 28,000 MB
- 29 GB = 29,000 MB
- 30 GB = 30,000 MB
- 31 GB = 31,000 MB
- 32 GB = 32,000 MB
- 33 GB = 33,000 MB
- 34 GB = 34,000 MB
- 35 GB = 35,000 MB
- 36 GB = 36,000 MB
- 37 GB = 37,000 MB
- 38 GB = 38,000 MB
- 39 GB = 39,000 MB
- 40 GB = 40,000 MB
- 41 GB = 41,000 MB
- 42 GB = 42,000 MB
- 43 GB = 43,000 MB
- 44 GB = 44,000 MB
- 45 GB = 45,000 MB
- 46 GB = 46,000 MB
- 47 GB = 47,000 MB
- 48 GB = 48,000 MB
- 49 GB = 49,000 MB
- 50 GB = 50,000 MB
- 51 GB = 51,000 MB
- 52 GB = 52,000 MB
- 53 GB = 53,000 MB
- 54 GB = 54,000 MB
- 55 GB = 55,000 MB
- 56 GB = 56,000 MB
- 57 GB = 57,000 MB
- 58 GB = 58,000 MB
- 59 GB = 59,000 MB
- 60 GB = 60,000 MB
- 61 GB = 61,000 MB
- 62 GB = 62,000 MB
- 63 GB = 63,000 MB
- 64 GB = 64,000 MB
- 65 GB = 65,000 MB
- 66 GB = 66,000 MB
- 67 GB = 67,000 MB
- 68 GB = 68,000 MB
- 69 GB = 69,000 MB
- 70 GB = 70,000 MB
- 71 GB = 71,000 MB
- 72 GB = 72,000 MB
- 73 GB = 73,000 MB
- 74 GB = 74,000 MB
- 75 GB = 75,000 MB
- 76 GB = 76,000 MB
- 77 GB = 77,000 MB
- 78 GB = 78,000 MB
- 79 GB = 79,000 MB
- 80 GB = 80,000 MB
- 81 GB = 81,000 MB
- 82 GB = 82,000 MB
- 83 GB = 83,000 MB
- 84 GB = 84,000 MB
- 85 GB = 85,000 MB
- 86 GB = 86,000 MB
- 87 GB = 87,000 MB
- 88 GB = 88,000 MB
- 89 GB = 89,000 MB
- 90 GB = 90,000 MB
- 91 GB = 91,000 MB
- 92 GB = 92,000 MB
- 93 GB = 93,000 MB
- 94 GB = 94,000 MB
- 95 GB = 95,000 MB
- 96 GB = 96,000 MB
- 97 GB = 97,000 MB
- 98 GB = 98,000 MB
- 99 GB = 99,000 MB
- 100 GB = 100,000 MB
- 125 GB = 125,000 MB
- 150 GB = 150,000 MB
- 175 GB = 175,000 MB
- 200 GB = 200,000 MB
- 225 GB = 225,000 MB
- 250 GB = 250,000 MB
- 275 GB = 275,000 MB
- 300 GB = 300,000 MB
- 325 GB = 325,000 MB
- 350 GB = 350,000 MB
- 375 GB = 375,000 MB
- 400 GB = 400,000 MB
- 425 GB = 425,000 MB
- 450 GB = 450,000 MB
- 475 GB = 475,000 MB
- 500 GB = 500,000 MB
- 550 GB = 550,000 MB
- 600 GB = 600,000 MB
- 650 GB = 650,000 MB
- 700 GB = 700,000 MB
- 750 GB = 750,000 MB
- 800 GB = 800,000 MB
- 850 GB = 850,000 MB
- 900 GB = 900,000 MB
- 950 GB = 950,000 MB
- 1,000 GB = 1,000,000 MB
- 1,500 GB = 1,500,000 MB
- 2,000 GB = 2,000,000 MB
- 2,500 GB = 2,500,000 MB
- 3,000 GB = 3,000,000 MB
- 3,500 GB = 3,500,000 MB
- 4,000 GB = 4,000,000 MB
- 4,500 GB = 4,500,000 MB
- 5,000 GB = 5,000,000 MB
- 5,500 GB = 5,500,000 MB
- 6,000 GB = 6,000,000 MB
- 6,500 GB = 6,500,000 MB
- 7,000 GB = 7,000,000 MB
- 7,500 GB = 7,500,000 MB
- 8,000 GB = 8,000,000 MB
- 8,500 GB = 8,500,000 MB
- 9,000 GB = 9,000,000 MB
- 9,500 GB = 9,500,000 MB
- 10,000 GB = 10,000,000 MB
SI prefixes: 1 GB = 10⁹ bytes = 1,000 MB. Carriers and manufacturers follow this decimal convention. IEC standard 80000-13 sets this decimal definition and reserves the binary prefixes Ki, Mi and Gi for powers of 1024. Methodology & sources.
Frequently asked questions
What does a 20 GB plan actually cover?
Roughly 40 hours of music streaming (150 MB per hour), 7 hours of HD video (3 GB per hour) or 4,000 web pages. Video dominates any plan: dropping the playback quality cuts consumption threefold or more.
Why does my phone show MB while my plan is in GB?
Apps report consumption in MB, more readable for a single session, while the carrier sells a monthly allowance in GB. Dividing by 1,000 puts both on the same scale.
Why is a 20 MB file rejected by a 25 MB limit?
Because email carries attachments in base64, an encoding that uses only printable characters and inflates the file by roughly a third. The 25 MB Gmail advertises applies to the encoded message: divide the limit by 1.37 for the file size actually accepted, a little over 18 MB.
How do I turn a Mb/s bitrate into MB consumed?
Multiply the bitrate by 450: a 5 Mb/s stream uses 2,250 MB per hour, or 2.25 GB. The factor comes from the 3,600 seconds in an hour divided by the 8 bits in a byte. It is the quickest way to size a plan: at 5 Mb/s, 20 GB lasts under nine hours.
Were the 700 MB CD and the 1.44 MB floppy telling the truth?
Neither one, in decimal terms. An 80-minute CD holds 737,280,000 bytes, so 737 decimal MB, advertised as 700 MB because it was counted in mebibytes. The floppy is stranger still: its 1,474,560 bytes are 1,440 KiB, which makes its megabyte worth 1,024,000 bytes, the only computing unit that mixes both bases.