1 mg to Grams
1 mg = 0.001 g
1 milligram equals 0.001 grams.
How to convert 1 mg to g
Use the formula g = mg ÷ 1000:
g = 1 ÷ 1000g = 0.001
So 1 mg = 0.001 g.
Rounded values and quick estimate
- Rounded to a whole number: 0 g
- Rounded to one decimal place: 0 g
- Conversion factor: 1 milligram = 0.001 grams
This conversion is exact, so there is no need to estimate: just divide by 1,000.
1 mg in other units
- Grams
- 0.001 g
- Kilograms
- 0.000001 kg
- Ounces
- 0.000035 oz
- Pounds
- 0.000002 lb
- Micrograms
- 1000 mcg
- Carats
- 0.005 ct
- Troy ounces
- 0.000032 ozt
- Tolas
- 0.000086 tola
- Grains
- 0.0154 gr
1 mg and nearby values
| Milligrams | Grams |
|---|---|
| 1 mg | 0.001 g |
| 2 mg | 0.002 g |
| 3 mg | 0.003 g |
| 4 mg | 0.004 g |
| 5 mg | 0.005 g |
About milligrams and grams
A milligram is one thousandth of a gram. Medicine doses, vitamins and nutrition labels commonly use milligrams.
A gram is one thousandth of a kilogram. It is the standard metric unit for food, ingredients and small weights.
Related conversions
Frequently asked questions
What is 1 mg in Grams?
1 milligram is 0.001 grams (1 mg = 0.001 g).
How do you convert 1 mg to g?
Apply g = mg ÷ 1000: g = 1 ÷ 1000, g = 0.001.
How many milligrams is 0.001 g?
0.001 g is about 1 milligram.