Grams → Milligrams converter (gram to mg) - Mass Converter

Table Of Contents

Grams to milligrams Conversion
Formula
Examples
- Convert 1 grams to milligrams:
Conversion table

Grams to milligrams Conversion

1 grams (gram) is equal to 1000 milligrams (mg).

1 gram = 1000 mg

1 mg = 0.001 gram

Formula

To convert a mass from grams (gram) to milligrams (mg), multiply the mass in grams by 1000

m_(mg) = m_(gram) × 1000

Examples:

Convert 1 grams to milligrams:

m_(mg) = 1gram × 1000 = 1000 mg

Conversion table

Grams (gram)	Milligrams (mg)
1 gram	1000 mg
2 gram	2000 mg
3 gram	3000 mg
5 gram	5000 mg
10 gram	10000 mg
20 gram	20000 mg
25 gram	25000 mg
50 gram	50000 mg
100 gram	100000 mg
200 gram	200000 mg
250 gram	250000 mg
500 gram	500000 mg
1000 gram	1000000 mg

Grams (gram)

Milligrams (mg)

1 gram

1000 mg

2 gram

2000 mg

3 gram

3000 mg

5 gram

5000 mg

10 gram

10000 mg

20 gram

20000 mg

25 gram

25000 mg

50 gram

50000 mg

100 gram

100000 mg

200 gram

200000 mg

250 gram

250000 mg

500 gram

500000 mg

1000 gram

1000000 mg

Milligrams (mg)	Grams (gram)
1 mg	0.001 gram
2 mg	0.002 gram
3 mg	0.003 gram
5 mg	0.005 gram
10 mg	0.01 gram
20 mg	0.02 gram
25 mg	0.025 gram
50 mg	0.05 gram
100 mg	0.1 gram
200 mg	0.2 gram
250 mg	0.25 gram
500 mg	0.5 gram
1000 mg	1 gram

Milligrams (mg)

Grams (gram)

1 mg

0.001 gram

2 mg

0.002 gram

3 mg

0.003 gram

5 mg

0.005 gram

10 mg

0.01 gram

20 mg

0.02 gram

25 mg

0.025 gram

50 mg

0.05 gram

100 mg

0.1 gram

200 mg

0.2 gram

250 mg

0.25 gram

500 mg

0.5 gram

1000 mg

1 gram

Frequently asked questions

How do I convert grams to milligrams?

Multiply the value in grams by 1000 to get the result in milligrams. For example, 5 gram × 1000 = 5000 mg.

How many milligrams are in 1 grams?

1 grams (gram) is equal to 1000 milligrams (mg).

How do I convert milligrams back to grams?

Use the inverse operation: divide the value in milligrams by 1000 to get the result in grams.

How accurate is the grams to milligrams conversion?

The converter multiplies by the conversion factor 1000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.