Milligrams to Grams Converter
Convert milligrams (mg) to grams (g) instantly. Weight units matter at the wet market, where older stalls and Chinese medical halls still quote prices per kati or tael, and when following American recipes in ounces and pounds.
Result
- Grams
- 0.001 g
How to use the milligrams to grams converter
- Enter the milligrams (mg).
- The results update as you type, or press Calculate.
- Read the grams first, then the supporting figures below it.
Formula
Grams = milligrams × 0.001
Worked example
For example, with these inputs:
- Milligrams (mg): 1
the calculator returns:
- Grams: 0.001 g
Milligrams to Grams table
| Milligrams | Grams |
|---|---|
| 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 |
| 25 mg | 0.025 g |
| 50 mg | 0.05 g |
| 100 mg | 0.1 g |
| 250 mg | 0.25 g |
| 500 mg | 0.5 g |
| 1,000 mg | 1 g |
About this conversion
Weight units matter at the wet market, where older stalls and Chinese medical halls still quote prices per kati or tael, and when following American recipes in ounces and pounds.
Many conversion factors are exact by definition. The inch has been defined as exactly 2.54 centimetres since 1959, and the pound as exactly 0.45359237 kilograms, so conversions involving them can be as precise as you need.
Singapore adopted the metric system in the 1970s, replacing imperial units and traditional Chinese measures in most official uses. Metric units are now standard in schools, trade and government, but older units survive in property, markets and imported goods.
Frequently asked questions
How many grams are in one milligram?
1 mg = 0.001 g.
How do I convert mg to g?
Grams = milligrams × 0.001.