Milligrams to Grams Converter
Convert milligrams (mg) to grams (g)
Result
0.001 g
Grams
1 mg = 0.001 g
1 mg in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert milligrams to grams
There are 1,000 milligrams in one gram, so divide the number of milligrams by 1,000.
g = mg ÷ 1,000
1 mg = 0.001 g · 1 g = 1,000 mg
Worked example
To convert 5 milligrams to grams: 5 mg ÷ 1,000 = 0.005 g.
About milligrams (mg)
A milligram is one thousandth of a gram. Medicine doses and nutrition labels often use milligrams.
About grams (g)
A gram is one thousandth of a kilogram. Food, gold and small items are weighed in grams.
More conversions
Milligrams to other units
Frequently asked questions
How many grams are in one milligram?
One milligram equals 0.001 grams.
How many milligrams are in one gram?
One gram equals 1,000 milligrams.
How do I convert milligrams to grams?
Use the formula g = mg ÷ 1,000. For example, 5 mg ÷ 1,000 = 0.005 g.