convertimate SI prefixes

Giga to mega

Type a value in G to get it in M instantly.

1,000M

That's about the same as giga. That prefix is 10 to the power 9.

What it means

How big is that step?

These are the decimal prefixes. Computer storage sometimes uses binary ones — a kibibyte is 1,024 bytes, not 1,000.

The math

How to convert G to M

To convert giga to mega, multiply by 1,000.

Example: 1 G × 1,000 = 1,000 M.

In the other direction, 1 M = 0.001 G.

Every unit

Your amount in every prefix

Tables

G to M conversion table

G to M conversion table
GM
1 G1,000 M
2 G2,000 M
5 G5,000 M
10 G10,000 M
25 G25,000 M
50 G50,000 M
100 G100,000 M
250 G250,000 M
500 G500,000 M
1,000 G1,000,000 M
M to G conversion table
M to G conversion table
MG
1 M0.001 G
2 M0.002 G
5 M0.005 G
10 M0.01 G
25 M0.025 G
50 M0.05 G
100 M0.1 G
250 M0.25 G
500 M0.5 G
1,000 M1 G

Quick answers

Quick answers

How many M is 1 G?
1 G is 1,000 M.
How many M is 10 G?
10 G is 10,000 M.

The units

About these units

Giga (G)

10⁹, as in gigahertz and gigawatts.

Mega (M)

10⁶. Note the capital M: lowercase means milli.

Learn more about amount units

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