Milligrams to Grams converter

Convert milligrams (mg) to grams (g) — results update instantly as you type.

Milligrams to Grams

To0.001

1 mg = 0.001 g

How to convert Milligrams to Grams

Mass measurements range from milligrams in a pharmacy to metric tons in shipping. The metric world weighs in grams and kilograms, while the US and UK still use ounces, pounds, and stones — this converter handles all of them exactly.

All units convert through the gram. One pound is defined as exactly 453.59237 grams and one ounce as exactly 28.349523125 grams, so results are precise to the international definition.

Formula

mg × 0.001 = g

Multiply your milligrams value by 0.001 to get grams. For the reverse, divide by the same factor.

Milligrams to Grams conversion table

MilligramsGrams
1 mg0.001 g
2 mg0.002 g
5 mg0.005 g
10 mg0.01 g
25 mg0.025 g
100 mg0.1 g

Common use cases

  • Body weight between kilograms, pounds, and stones
  • Recipe ingredients between grams and ounces
  • Luggage allowances between kilograms and pounds
  • Freight and cargo in metric tons

Frequently asked questions

One kilogram equals approximately 2.20462 pounds. Conversely, one pound is exactly 0.45359237 kilograms.