Skip to content
Unitglide

Megabytes to Gigabytes

Convert megabytes to gigabytes instantly.

Megabytes to Gigabytes (MB to GB) Converter

1 megabyte = 0.001 gigabytes

1 MB = 0.001 GB (exact)
From
  • MegabytesMB
  • GigabytesGB
To
  • MegabytesMB
  • GigabytesGB

Permanent link to this conversion

Advertisement
Ad space reserved · 728×90 / 320×100

How it’s calculated

GB = MB × 0.001

  • Multiply the value in megabytes by 0.001.
  • To go back, divide by 0.001 (or multiply by 1000).
  • 1 MB = 0.001 GB · 1 GB = 1,000 MB

Quick examples

1 megabyte = 0.001 gigabytes · 1 GB = 1,000 MB

  • 1 megabyte = 0.001 gigabytes
  • 5 megabytes = 0.005 gigabytes
  • 10 megabytes = 0.01 gigabytes
  • 25 megabytes = 0.025 gigabytes
  • 100 megabytes = 0.1 gigabytes

Megabytes to gigabytes conversion table

megabyte (MB) to gigabyte (GB)
Megabytes (MB)Gigabytes (GB)
0.1 MB0.0001 GB
0.5 MB0.0005 GB
1 MB0.001 GB
2 MB0.002 GB
3 MB0.003 GB
4 MB0.004 GB
5 MB0.005 GB
6 MB0.006 GB
7 MB0.007 GB
8 MB0.008 GB

About these units

Megabyte (MB)

SI (metric)

1 MB = 8,000,000 bit (exact)

The decimal megabyte: exactly 1,000,000 bytes.

Source: IEC 80000-13 (decimal and binary prefixes)

Gigabyte (GB)

SI (metric)

1 GB = 8,000,000,000 bit (exact)

The decimal gigabyte: exactly 1,000,000,000 bytes. Drive makers use this, while Windows shows binary GiB labelled "GB".

Source: IEC 80000-13 (decimal and binary prefixes)

Frequently asked questions

How do I convert megabytes to gigabytes?

Use GB = MB × 0.001. Multiply the value in megabytes by 0.001.

How many gigabytes are in 1 megabyte?

1 megabyte (MB) equals 0.001 gigabytes (GB).

How many megabytes are in 1 gigabyte?

1 gigabyte (GB) equals 1,000 megabytes (MB).

What is 10 MB in GB?

10 megabytes = 0.01 gigabytes.

What is a megabyte?

The decimal megabyte: exactly 1,000,000 bytes.

What is a gigabyte?

The decimal gigabyte: exactly 1,000,000,000 bytes. Drive makers use this, while Windows shows binary GiB labelled "GB".

Related conversions

Formula: GB = MB × 0.001. Factors last reviewed 2026-10-27.