Milligram to Gram - Gram to Milligram Converter

Convert Milligrams to Grams (mg to g) or Grams to Milligrams (g to mg)

You can input in any of the fields and get equivalent values.

Find out how to convert Mg to Grams and Grams to Mg

How many Milligram to Gram ? (mg to g)

The formula to convert milligrams to grams is:

grams = milligrams / 1000

For example, to convert 500 mg to grams, divide 500 by 1000:

grams = 500 mg / 1000 = 0.5 g

How many Gram to Milligram? (1 gram to mg)

The formula to convert grams to milligrams is:

milligrams = grams * 1000

To convert 2.5 g to milligrams, multiply 2.5 by 1000:

milligrams = 2.5 g * 1000 = 2500 mg

Milligrams and Grams: Everything You Need to Know (and More!)

Everything Icon
  • A gram is the basic unit of mass in the International System of Units (SI). It is defined as one-thousandth of a kilogram.

  • A milligram is one-thousandth of a gram.

  • The origin of the gram and milligram can be traced back to the French Revolution in the late 18th century. At that time, the French government was looking for a new system of measurement that was more logical and easier to use than the existing system. They commissioned a group of scientists to develop a new system, which was eventually adopted as the metric system in 1799.
  • A gram is equal to the mass of one cubic centimeter of pure water at 4 degrees Celsius and one atmosphere of pressure. A milligram is equal to one thousandth of a gram.
  • The word "gram" comes from the Latin word "gramma," which means "small weight.. The word "milligram" comes from the Latin word "mille," which means "thousand," and the word "gram." A milligram is one thousandth of a gram, or 0.001 grams.
  • Grams and milligrams are used to measure a wide variety of substances, including food, medicine, and chemicals.
Here are some additional facts about grams and milligrams:
  • One gram of water has a volume of one milliliter.
  • The average human adult weighs about 70 kilograms, which is equal to 70,000 grams.
  • A single grain of rice weighs about 5 milligrams.
  • A teaspoon of sugar weighs about 4 grams.
  • A US dollar bill weighs about one gram.
  • The smallest object that can be seen with the naked eye weighs about 0.1 milligrams.
  • The most expensive substance in the world is californium-252, which is a radioactive isotope of californium. It costs about $27 million per milligram.
Here are some examples of when to use grams vs. milligrams:
  • Measuring the mass of food items, such as fruits, vegetables, and meat.
  • Measuring the mass of cooking ingredients.
  • Measuring the mass of packaged goods, such as cereal and flour.
  • Measuring the mass of jewelry and other precious metals.
  • Measuring the mass of chemicals in a laboratory setting.
  • Measuring the mass of medicine doses.
  • Measuring the mass of vitamin supplements.
  • Measuring the mass of very small objects, such as cells and DNA molecules.
  • Measuring the mass of drugs in a laboratory setting.
  • Measuring the mass of chemicals in a manufacturing setting.
Here is a comparison table for milligrams (mg) and grams (g):
CharacteristicMilligrams (mg)Grams (g)
DefinitionUnit of mass equal to one thousandth of a gramUnit of mass in the metric system
Base unitNoYes
Commonly used to measureSmall quantities of mass, such as medicine doses and vitamin supplements.Larger quantities of mass, such as food items and packaged goods.
Examples100 mg of ibuprofen, 500 mg of vitamin C, 1 mg of powder100 g of apple, 250 g of flour, 1000 g of gold
  • Grams and milligrams are often used in cooking and baking to measure ingredients precisely.
  • Grams are used to measure the amount of medication in a pill or capsule.
  • Milligrams are used to measure the amount of caffeine in a cup of coffee.
  • Grams are used to measure the amount of sugar in a serving of food.
  • Milligrams are used to measure the amount of vitamin C in a piece of fruit.
  • Grams are used to measure the amount of protein in a serving of meat.
  • Milligrams are used to measure the amount of cholesterol in an egg.

Note: The above content has inputs from Bard, the AI model from Google.

Milligram to Gram (mg to gm, mg to g conversion) Table

Conversion Table Icon
Milligram(mg) Gram(g)

0.2 mg

0.0002 g

1 mg

0.001 g

1.5 mg

0.0015 g

2 mg

0.002 g

4 mg

0.004 g

5 mg

0.005 g

10 mg

0.01 g

20 mg

0.02 g

25 mg

0.025 g

30 mg

0.03 g

40 mg

0.04 g

50 mg

0.05 g

60 mg

0.06 g

65 mg

0.065 g

100 mg

0.1 g

120 mg

0.12 g

125 mg

0.125 g

160 mg

0.16 g

200 mg

0.2 g

250 mg

0.25 g

300 mg

0.3 g

350 mg

0.35 g

400 mg

0.4 g

450 mg

0.45 g

500 mg

0.5 g

600 mg

0.6 g

700 mg

0.7 g

800 mg

0.8 g

900 mg

0.9 g

1000 mg

1 g

1200 mg

1.2 g

1500 mg

1.5 g

1600 mg

1.6 g

2000 mg

2 g

2400 mg

2.4 g

3000 mg

3 g

4000 mg

4 g

4500 mg

4.5 g

5000 mg

5 g

10000 mg

10 g

50000 mg

50 g

Gram to Milligram (grams to mg conversion) Table

Conversion Table Icon

Gram (g)Milligram (mg)

0.015 g

15 mg

0.3 g

300 mg

0.5 g

500 mg

1 g

1000 mg

2 g

2000 mg

3 g

3000 mg

3.5 g

3500 mg

4 g

4000 mg

4.5 g

4500 mg

5 g

5000 mg

6 g

6000 mg

7 g

7000 mg

8 g

8000 mg

9 g

9000 mg

10 g

10000 mg

12 g

12000 mg

15 g

15000 mg

20 g

20000 mg

50 g

50000 mg

65 g

65000 mg