How to convert Gram to Milligram

Multiply the value in Gram by 1,000 to get the result in Milligram.

Example: 5 g × 1,000 = 5,000 mg

Gram to Milligram conversion table

Gram	Milligram
0.1 g	100 mg
0.5 g	500 mg
1 g	1,000 mg
2 g	2,000 mg
3 g	3,000 mg
4 g	4,000 mg
5 g	5,000 mg
10 g	10,000 mg
15 g	15,000 mg
20 g	20,000 mg
25 g	25,000 mg
50 g	50,000 mg
100 g	100,000 mg
500 g	500,000 mg
1,000 g	1,000,000 mg

Milligram	Gram
0.1 mg	1 × 10⁻⁴ g
0.5 mg	0.0005 g
1 mg	0.001 g
2 mg	0.002 g
3 mg	0.003 g
4 mg	0.004 g
5 mg	0.005 g
10 mg	0.01 g
15 mg	0.015 g
20 mg	0.02 g
25 mg	0.025 g
50 mg	0.05 g
100 mg	0.1 g
500 mg	0.5 g
1,000 mg	1 g

Frequently asked questions

How much is 1 Gram in Milligram?

1 Gram = 1,000 Milligram.

How much is 1 Milligram in Gram?

1 Milligram = 0.001 Gram.

How do I convert Gram to Milligram?

Multiply the value in Gram by 1,000 to get the result in Milligram. Example: 5 g × 1,000 = 5,000 mg.

About Gram

Gram (g) is a unit of mass (weight).

1 Gram = 0.001 Kilogram (kg)
1 Gram = 0.002204623 Pound (lb)
1 Kilogram = 1,000 Gram

Use the converter above to convert Gram into any other unit of mass (weight).

About Milligram

Milligram (mg) is a unit of mass (weight).

1 Milligram = 1 × 10⁻⁶ Kilogram (kg)
1 Milligram = 2.204623 × 10⁻⁶ Pound (lb)
1 Kilogram = 1,000,000 Milligram

The SI prefix milli- stands for 0.001, so 1 Milligram = 0.001 Gram.

Use the converter above to convert Milligram into any other unit of mass (weight).

Convert Gram to other units

Centigram Decigram Dekagram Dram Grain Hectogram Hundredweight [long, UK] Hundredweight [short, US] Kilogram Lb, Lbs Long ton Megagram Metric Ton Microgram Ounce Pound Short Ton Ton [long, UK] Ton [Metric] ton [Short, US] Tonne

Gram to Milligram converter