Milligrams to Grams Converter
Convert milligrams to grams instantly, and grams back to milligrams. Based on the exact 1 g = 1000 mg SI definition.
Calculator by Toolsloft ↗- Result
- 0.001 Grams (g)
- Conversion
- 1 Milligrams (mg) = 0.001 Grams (g)
Convert milligrams to grams, and grams back to milligrams. Supplement facts, medication doses, and lab measurements often list milligrams when you want grams. Type the value and read the answer.
How this is calculated
One gram is exactly 1000 milligrams, so milligrams are divided by 1000 to get grams and grams are multiplied by 1000 to get milligrams. These are SI prefixes with fixed powers of ten, and results are shown to six decimal places.
How to use
- Enter the number of milligrams.
- Keep the direction on milligrams to grams, or press Swap units for grams to milligrams.
- Read the result in grams.
Examples
- 1 milligrams:
1 mg = 0.001 g - 500 mg:
500 mg = 0.5 g - Reverse:
1 g = 1000 mg
FAQ
- How many milligrams are in a gram?
- Exactly 1000 milligrams, because milli means one thousandth in the SI system.
- How do I convert milligrams to grams?
- Divide the number of milligrams by 1000. For example, 500 milligrams is 0.5 grams.