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Mega to Giga Converter

1 mega unit is exactly 0.001 giga units. Convert mega units (M) to giga units (G) below: type a value and the result updates as you type.

M to G calculator

Dot or comma decimals and scientific notation (1e-3) work.

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Result

Mega to Giga conversion

1 M = 0.001 Gone mega unit in giga units

1 G = 1000 Mone giga unit in mega units

Mega (M): The SI prefix mega (M): a factor of 10⁶, which is one million (10⁶).

Giga (G): The SI prefix giga (G): a factor of 10⁹, which is one billion (10⁹).

Source:SI Brochure, 9th edition (BIPM, 2019)

How to convert mega units to giga units

To convert mega units to giga units, multiply the number of mega units by 0.001.

Formula

G = M × 0.001

Examples

  • 5 M = 5 × 0.001 = 0.005 G
  • 25 M = 25 × 0.001 = 0.025 G
  • 100 M = 100 × 0.001 = 0.1 G

Mega to Giga conversion table

Mega to Giga
Mega (M)Giga (G)
0.1 M0.0001 G
0.5 M0.0005 G
1 M0.001 G
2 M0.002 G
3 M0.003 G
5 M0.005 G
10 M0.01 G
20 M0.02 G
25 M0.025 G
50 M0.05 G
100 M0.1 G
250 M0.25 G
500 M0.5 G
1000 M1 G

Values rounded to 10 significant digits where needed.

Common conversions

Frequently asked questions

How many giga units are in one mega unit?
One mega unit is exactly 0.001 giga units.
How do I convert giga units to mega units?
To convert giga units to mega units, multiply the number of giga units by 1000. The formula is M = G × 1000.
Is this conversion exact?
Yes. Both units have exact definitions and the factor 0.001 is exact. Displayed results are only rounded when they have many decimal places.
Which is larger, a mega unit or a giga unit?
A giga unit is 1000 times larger than a mega unit. In other words, a mega unit is exactly 1/1000 of a giga unit.