Convert Milligrams to Grams

Instantly convert milligrams (mg) to grams (g). Enter a value to see the result and the conversion formula.

Category
Value
Result

Suggested conversions

Quickly convert units of weight, volume, length, temperature, area, data, speed and time. Results update instantly as you type.

How our Milligrams to Grams unit converter works

To ensure maximum accuracy when converting Milligrams to Grams, our calculator uses a scientific pivot method. Instead of relying on a potentially inaccurate direct conversion, the system first converts mg into the base unit of the International System (the kilogram), then recalculates the result into g. This approach drastically reduces rounding errors.

About this conversion

Milligrams to grams is a micro-conversion heavily regulated in the pharmaceutical, supplement, and recreational industries across North America.

When to use this conversion

Crucial for understanding medication dosages, daily vitamin intakes, or measuring active ingredients in cosmetics and edibles.

Formula

Grams (g) = Milligrams (mg) × 0.001

Tip: You can swap units and convert decimals. Results are rounded for readability.

Examples

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
250 mg 0.25 g
500 mg 0.5 g
1000 mg 1.0 g

FAQ

How much salt is in one gram?

One gram contains 1,000 milligrams. A pinch of table salt is roughly 300 to 500 milligrams.

How do I read vitamin labels in mg?

Vitamins are measured in trace amounts. 500mg of Vitamin C is equal to 0.5 grams, which is a tiny fraction of a teaspoon.