Milligrams to Grams (mg to g)
Free online milligram to gram converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
WEIGHT AND MASS CONVERTER — INSTANT RESULT
Formula: multiply the milligram value by 0.001 — i.e. g = mg × 0.001
Quick check: 1 mg = 0.001 g
Quick check: 1 mg = 0.001 g
Milligrams to Grams conversion table
| Milligrams (mg) | Grams (g) |
|---|---|
| 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 |
| 6 mg | 0.006 g |
| 7 mg | 0.007 g |
| 8 mg | 0.008 g |
| 9 mg | 0.009 g |
| 10 mg | 0.01 g |
| 15 mg | 0.015 g |
| 20 mg | 0.02 g |
| 25 mg | 0.025 g |
| 30 mg | 0.03 g |
| 40 mg | 0.04 g |
| 50 mg | 0.05 g |
| 75 mg | 0.075 g |
| 100 mg | 0.1 g |
| 250 mg | 0.25 g |
| 500 mg | 0.5 g |
| 1,000 mg | 1 g |
How to convert milligrams to grams
To convert milligrams to grams, multiply the amount in milligrams by 0.001. For example, 10 mg = 0.01 g. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between metric, avoirdupois, troy and apothecary mass units. The kilogram is the SI base unit of mass; pounds and ounces below follow the international avoirdupois definitions (1 lb = 0.45359237 kg exactly).
Frequently asked questions
How many grams are in one milligram?
One milligram is exactly 0.001 grams.
How do I convert mg to g?
Multiply the mg value by 0.001 to get g. The converter at the top of this page does this automatically and works in both directions.
How much is 100 milligrams in grams?
100 milligrams equals 0.1 grams.