Convert gram to milligram

Please provide values below to convert gram [g] to milligram [mg], or Convert milligram to gram.

1 g = 1000 mg. To convert gram to milligram, multiply the value by 1000; to go the other way, divide by it (1 mg = 0.001 g). Both units measure weight and mass and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 g = 1000 mg
  • 1 mg = 0.001 g
  • 10 g = 10000 mg
  • 100 g = 100000 mg



How to Convert Gram to Milligram

1 g = 1000 mg

Example: convert 15 g to mg:
15 g = 15 × 1000 mg = 15000 mg


Gram to Milligram Conversion Table

gram milligram
1 g 1000 mg
2 g 2000 mg
3 g 3000 mg
5 g 5000 mg
10 g 10000 mg
20 g 20000 mg
50 g 50000 mg
100 g 100000 mg
500 g 500000 mg
1000 g 1000000 mg

Gram

The gram (g) is a metric unit of mass equal to one thousandth of a kilogram.

History/Origin

The gram was originally defined in 1795 as the mass of one cubic centimeter of water at its maximum density. It became part of the metric system established in France and was later standardized as part of the International System of Units (SI) in 1960.

Current Use

The gram is widely used worldwide for measuring small masses in everyday life, science, and industry, especially in contexts like food labeling, pharmaceuticals, and laboratory measurements.


Milligram

A milligram (mg) is a unit of mass equal to one thousandth of a gram.

History/Origin

The milligram has been used in scientific and medical contexts for precise measurement of small quantities, especially in pharmacology and chemistry, with its origins linked to the metric system established in the 18th century.

Current Use

Today, the milligram is widely used in pharmaceuticals, nutrition, and scientific research to measure small amounts of substances accurately.


Frequently Asked Questions

What is 1 gram in milligram?

1 gram (g) = 1000 milligram (mg).

How do you convert gram to milligram?

Multiply the gram value by 1000. For example, 25 g × 1000 = 25000 mg.

What is 10 gram in milligram?

10 g = 10000 mg.

Which unit is larger, the gram or the milligram?

The gram is the larger unit: 1 g = 1000 mg.



Convert gram To Other Weight and Mass Units