Megabyte (MB) to Gigabyte (GB) Conversion

How Many Gigabytes Are in One Terabyte

To convert Megabytes (MB) to Gigabytes (GB), here are the basic conversions:

  • 1 MB is equal to 0.001 GB – under the decimal system /  SI / base 10
  • 1 MB is equal to 0.0009765625 GB – under the binary system / base 2

How many Gigabytes in a Megabyte

1 Megabyte is the equivalent of 0.001 gigabytes (decimal).

In other notation, 1 MB is 10-3 GB in base 10 (SI).

1 Megabyte is the equivalent of 0.0009765625 gigabytes (binary).

In other notation, 1 MB = 2-10 GB in base 2.

Difference Between MB and GB

Megabyte unit symbol is MB, Gigabyte unit symbol is GB.

Gigabyte is greater than Megabyte.

Gigabyte is 1000 times bigger than Megabyte under base 10 and 1024 times bigger than Megabyte under base 2.

Megabytes vs Gigabytes

Megabytes (MB) Gigabytes (GB)
106 bytes (base 10) 109 bytes (base 10)
10002 bytes 10003 bytes
1 million bytes 1 billion bytes
220 bytes (base 2) 230 bytes (base 2)
1,048,576 bytes 1,073,741,824 bytes
1 million × 8 bits 1 billion × 8 bits
8 million bits 8 billion bits

Megabytes Definition

Megabyte (MB) is a unit of stored or transferred digital information. Under the decimal system (SI), one MB is the equivalent of 1 million bytes.

Under the binary system, 1 megabyte is 220 B, which comes to 1,048,576 bytes.

In today’s world, megabytes commonly refers to the amount of information stored or transferred when it comes to smaller files, such as JPEG, PNG image, MP3 file, and similar.

Megabyte in SI and base 10 (decimal)
1 Megabyte = 10002 bytes
1 Megabyte = 1 million bytes
Megabyte in base 2 (binary)
1 Megabyte = 220 bytes
1 Megabyte = 10242 bytes
1 Megabyte = 1.049 million bytes (1,048,576 bytes)

Gigabytes Definition

Gigabyte (GB) is one of the most commonly used units with respect to measuring the size of digital information. It’s used in the sense of what amount of information is being stored or transferred. The term gigabyte, or GB, is used widely in info tech (IT) and computer technology.

GB is typically used to measure the size of computer memory or to indicate the size of a file (music, movie, show, or any type of digitally stored information), computer RAM, and so forth.

A single-layer DVD can generally store up to around 5 GB at the most. A Blu-ray disc can store up to around 25 GB.

A gigabyte is equal to 1 billion bytes.

But in computer science, the value of 1 GB is considered to be equal to 230 or 10243 bytes. This is equal to about 1.07 billion bytes (1,073,741,824 bytes, to be precise).

Gigabyte in SI and base 10 (decimal)
1 Gigabyte = 10003 bytes
1 Gigabyte = 1 billion bytes
Gigabyte in base 2 (binary)
1 Gigabyte = 230 bytes
1 Gigabyte = 10243 bytes
1 Gigabyte = 1.074 billion bytes

How to Calculate Megabytes (MB) to Gigabytes (GB)

Here’s how to calculate MB to GB under base 10:

Megabyte in SI

1 Megabyte = 10002 bytes
1GB = 10003 bytes, therefore:
1 byte = 1000-3 GB

Hence: 
1 Megabyte = 10002 * 1000-3 GB
1 Megabyte = 1000-1 Gigabytes
1 Megabyte = 0.001 Gigabytes

MB to GB in Base 2

Here’s how to calculate MB to GB under base 2:

Megabyte in base 2

1 Megabyte = 220 bytes
1 Megabyte = 10242 bytes
1 byte = 1024-3 GB
1 Megabyte = 10242 * 1024-3 GB
1 Megabyte = 1024-1 Gigabytes
1 Megabyte = 2-10 Gigabytes
1 Megabyte = 0.0009765625 Gigabytes

MB to GB Conversion Table

Here’s a handy table to convert MB to GB for the most common conversion needs:

Megabytes (MB) Gigabytes (GB) decimal Gigabytes (GB) binary
1 MB 0.001 GB 0.0009765625 GB
5 MB 0.005 GB 0.0048828125 GB
10 MB 0.01 GB 0.009765625 GB
15 MB 0.015 GB 0.0146484375 GB
20 MB 0.02 GB 0.01953125 GB
25 MB 0.025 GB 0.0244140625 GB
30 MB 0.03 GB 0.029296875 GB
35 MB 0.035 GB 0.0341796875 GB
40 MB 0.04 GB 0.0390625 GB
45 MB 0.045 GB 0.0439453125 GB
50 MB 0.05 GB 0.048828125 GB
55 MB 0.055 GB 0.0537109375 GB
60 MB 0.06 GB 0.05859375 GB
65 MB 0.065 GB 0.0634765625 GB
70 MB 0.07 GB 0.068359375 GB
75 MB 0.075 GB 0.0732421875 GB
80 MB 0.08 GB 0.078125 GB
85 MB 0.085 GB 0.0830078125 GB
90 MB 0.09 GB 0.087890625 GB
95 MB 0.095 GB 0.0927734375 GB
100 MB 0.1 GB 0.09765625 GB
105 MB 0.105 GB 0.1025390625 GB
110 MB 0.11 GB 0.107421875 GB
115 MB 0.115 GB 0.1123046875 GB
120 MB 0.12 GB 0.1171875 GB
125 MB 0.125 GB 0.1220703125 GB
130 MB 0.13 GB 0.126953125 GB
135 MB 0.135 GB 0.1318359375 GB
140 MB 0.14 GB 0.13671875 GB
145 MB 0.145 GB 0.1416015625 GB
150 MB 0.15 GB 0.146484375 GB
155 MB 0.155 GB 0.1513671875 GB
160 MB 0.16 GB 0.15625 GB
165 MB 0.165 GB 0.1611328125 GB
170 MB 0.17 GB 0.166015625 GB
175 MB 0.175 GB 0.1708984375 GB
180 MB 0.18 GB 0.17578125 GB
185 MB 0.185 GB 0.1806640625 GB
190 MB 0.19 GB 0.185546875 GB
195 MB 0.195 GB 0.1904296875 GB
200 MB 0.2 GB 0.1953125 GB
205 MB 0.205 GB 0.2001953125 GB
210 MB 0.21 GB 0.205078125 GB
215 MB 0.215 GB 0.2099609375 GB
220 MB 0.22 GB 0.21484375 GB
225 MB 0.225 GB 0.2197265625 GB
230 MB 0.23 GB 0.224609375 GB
235 MB 0.235 GB 0.2294921875 GB
240 MB 0.24 GB 0.234375 GB
245 MB 0.245 GB 0.2392578125 GB
250 MB 0.25 GB 0.244140625 GB
255 MB 0.255 GB 0.2490234375 GB
260 MB 0.26 GB 0.25390625 GB
265 MB 0.265 GB 0.2587890625 GB
270 MB 0.27 GB 0.263671875 GB
275 MB 0.275 GB 0.2685546875 GB
280 MB 0.28 GB 0.2734375 GB
285 MB 0.285 GB 0.2783203125 GB
290 MB 0.29 GB 0.283203125 GB
295 MB 0.295 GB 0.2880859375 GB
300 MB 0.3 GB 0.29296875 GB
305 MB 0.305 GB 0.2978515625 GB
310 MB 0.31 GB 0.302734375 GB
315 MB 0.315 GB 0.3076171875 GB
320 MB 0.32 GB 0.3125 GB
325 MB 0.325 GB 0.3173828125 GB
330 MB 0.33 GB 0.322265625 GB
335 MB 0.335 GB 0.3271484375 GB
340 MB 0.34 GB 0.33203125 GB
345 MB 0.345 GB 0.3369140625 GB
350 MB 0.35 GB 0.341796875 GB
355 MB 0.355 GB 0.3466796875 GB
360 MB 0.36 GB 0.3515625 GB
365 MB 0.365 GB 0.3564453125 GB
370 MB 0.37 GB 0.361328125 GB
375 MB 0.375 GB 0.3662109375 GB
380 MB 0.38 GB 0.37109375 GB
385 MB 0.385 GB 0.3759765625 GB
390 MB 0.39 GB 0.380859375 GB
395 MB 0.395 GB 0.3857421875 GB
400 MB 0.4 GB 0.390625 GB
405 MB 0.405 GB 0.3955078125 GB
410 MB 0.41 GB 0.400390625 GB
415 MB 0.415 GB 0.4052734375 GB
420 MB 0.42 GB 0.41015625 GB
425 MB 0.425 GB 0.4150390625 GB
430 MB 0.43 GB 0.419921875 GB
435 MB 0.435 GB 0.4248046875 GB
440 MB 0.44 GB 0.4296875 GB
445 MB 0.445 GB 0.4345703125 GB
450 MB 0.45 GB 0.439453125 GB
455 MB 0.455 GB 0.4443359375 GB
460 MB 0.46 GB 0.44921875 GB
465 MB 0.465 GB 0.4541015625 GB
470 MB 0.47 GB 0.458984375 GB
475 MB 0.475 GB 0.4638671875 GB
480 MB 0.48 GB 0.46875 GB
485 MB 0.485 GB 0.4736328125 GB
490 MB 0.49 GB 0.478515625 GB
495 MB 0.495 GB 0.4833984375 GB
500 MB 0.5 GB 0.48828125 GB

 

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