Use this free online calculator to convert Gigagram to Megagram instantly. This metric weight conversions conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Gigagram = 1000.00 Megagram

1 Megagram = 1.000e-3 Gigagram

Gigagram to Megagram Conversion Formula

To convert Gigagram to Megagram, multiply by 1000.00.

Megagram = Gigagram × 1000.00

Gigagram = Megagram × 1.000e-3

To convert Megagram back to Gigagram, divide by 1000.00 (or multiply by 1.000e-3).

About These Units

About Gigagram

The gigagram is an SI unit of mass equal to 109 grams, one million kilograms, or 1 kilotonne (1000 metric tons). This unit is used in scientific contexts, such as the measurement of atmospheric emissions. One gigagram equals about 2.2046 million pounds or 1102.3 U.S. (short) tons.

About Megagram

The megagram is an SI unit of mass equal to one million grams or 1000 kg. This means the megagram is identical to the tonne (metric ton). Large masses are almost always stated in tonnes in commercial applications, but megagrams are often used in scientific contexts. One megagram equals about 2204.623 pounds.

Gigagram to Megagram Conversion Table

Gigagram	Megagram	Megagram	Gigagram
0.1	100.0000	0.1	1.000e-4
0.5	500.0000	0.5	5.000e-4
1	1000.00	1	1.000e-3
2	2000.00	2	2.000e-3
5	5000.00	5	5.000e-3
10	10000.00	10	0.010000
20	20000.00	20	0.020000
25	25000.00	25	0.025000
50	50000.00	50	0.050000
100	100000.00	100	0.100000
250	250000.00	250	0.250000
500	500000.00	500	0.500000
1000	1000000.00	1000	1.0000

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