Grams to Milligrams

Convert Grams to Milligrams. 1 g equals 1,000 mg. Type a value on either side; the formula and tables below show how it works.

g
mg
1 Grams equals
1,000mg

Formula: mg = g × 1,000. Example: 5 g = 5,000 mg.

1 Grams in every unit

Kilograms0.001 kg
Milligrams1,000 mg
Metric Tonnes0.000001 t
Pounds0.002205 lb
Ounces0.035274 oz
Stone0.000157473 st

Grams to Milligrams table

GramsMilligrams
0.1 g100 mg
0.25 g250 mg
0.5 g500 mg
1 g1,000 mg
2 g2,000 mg
3 g3,000 mg
4 g4,000 mg
5 g5,000 mg
10 g10,000 mg
15 g15,000 mg
20 g20,000 mg
25 g25,000 mg
50 g50,000 mg
75 g75,000 mg
100 g100,000 mg
250 g250,000 mg
500 g500,000 mg
1,000 g1,000,000 mg
MilligramsGrams
0.1 mg0.0001 g
0.25 mg0.00025 g
0.5 mg0.0005 g
1 mg0.001 g
2 mg0.002 g
3 mg0.003 g
4 mg0.004 g
5 mg0.005 g
10 mg0.01 g
15 mg0.015 g
20 mg0.02 g
25 mg0.025 g
50 mg0.05 g
75 mg0.075 g
100 mg0.1 g
250 mg0.25 g
500 mg0.5 g
1,000 mg1 g

How to convert grams to milligrams

mg = g × 1,000

Multiply the value in grams by 1,000. To go the other way, divide by the same number, or multiply by 0.001. For example, 5 g × 1,000 = 5,000 mg.

About the units

Grams (g). One thousandth of a kilogram. Cooking, food labels and postage.

Milligrams (mg). One thousandth of a gram. Medicine doses and nutrients.

Other weight conversions

Kilograms to Milligrams · Grams to Kilograms · Grams to Milligrams · Grams to Metric Tonnes · Grams to Pounds · Grams to Ounces · Grams to Stone · Milligrams to Kilograms · Milligrams to Grams · Milligrams to Metric Tonnes · Milligrams to Pounds · Milligrams to Ounces · Milligrams to Stone · Metric Tonnes to Milligrams · Pounds to Milligrams · Ounces to Milligrams · Stone to Milligrams

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