Weight Converter

Convert among kilograms, grams, milligrams, tonnes, pounds, ounces, and stones.

Mass
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Formula

g = mg × 0.001

Example

Example: convert 100 milligrams to grams.

100 mg = 0.1 g

Conversion table

milligrams (mg) grams (g)
1 mg 0.001 g
2 mg 0.002 g
5 mg 0.005 g
10 mg 0.01 g
20 mg 0.02 g
50 mg 0.05 g
100 mg 0.1 g

Explanation

Grams are used for small masses, food portions, and lab measurements.

How to convert milligrams to grams

  1. Start with the value in milligrams (mg).
  2. Multiply it by 0.001.
  3. The result is the measurement in grams (g).

Example: 100 mg → 0.1 g

Frequently Asked Questions

How much is 100 milligrams in grams?

100 milligrams equals 0.1 grams.

How many grams is 1 milligram?

1 milligram equals 0.001 grams.

How many milligrams is 1 gram?

1 gram equals 1000 milligrams.

What is the difference between milligrams and grams?

Both measure mass. The main difference is scale and common usage: {FromPlur} are used for very small amounts (medicine doses and high-precision measurement); {ToPlur} are used for smaller masses (ingredients, food labels, and lab work).

Where are milligrams and grams used?

In practice: {FromPlur} are used for very small amounts (medicine doses and high-precision measurement); {ToPlur} are used for smaller masses (ingredients, food labels, and lab work).

Why does 1 milligram equal 0.001 grams?

Because the units are defined with a fixed relationship. To convert, multiply by that factor.