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Milligrams and Grams Converter

Use this calculator to convert between milligrams and grams (mg to g), both of which are units of weight. Conversion tables and formulae are available further down.


Disclaimer: Whilst every effort has been made in building this calculator, we are not to be held liable for any damages or monetary losses arising out of or in connection with the use of it. This tool is here purely as a service to you, please use it at your own risk. Full disclaimer. Do not use calculations for anything where loss of life, money, property, etc could result from inaccurate calculations.

How many mg are there in a gram?

1g = 1,000mg. As there are 1,000 milligrams (mg) in 1 gram (g), to convert your gram figure to milligrams you should multiply your figure by 1000.

How many grams are there in a mg?

1mg is 1/1000g. There are 1,000 milligrams in 1 gram. To get your answer, simply divide your figure by 1,000.

Milligrams to grams conversion table
Milligrams Grams Milligrams Grams
1 mg 0.001 g 10 mg 0.01 g
2 mg 0.002 g 20 mg 0.02 g
3 mg 0.003 g 30 mg 0.03 g
4 mg 0.004 g 40 mg 0.04 g
5 mg 0.005 g 50 mg 0.05 g
6 mg 0.006 g 60 mg 0.06 g
7 mg 0.007 g 70 mg 0.07 g
8 mg 0.008 g 80 mg 0.08 g
9 mg 0.009 g 90 mg 0.09 g
10 mg 0.01 g 100 mg 0.1 g
Grams to milligrams conversion table
Grams Milligrams Grams Milligrams
1 gram 1000 mg 10 grams 10000 mg
2 grams 2000 mg 20 grams 20000 mg
3 grams 3000 mg 30 grams 30000 mg
4 grams 4000 mg 40 grams 40000 mg
5 grams 5000 mg 50 grams 50000 mg
6 grams 6000 mg 60 grams 60000 mg
7 grams 7000 mg 70 grams 70000 mg
8 grams 8000 mg 80 grams 80000 mg
9 grams 9000 mg 90 grams 90000 mg
10 grams 10000 mg 100 grams 100000 mg

You can use the converter to find the answers to your questions. To do this, simply select the appropriate unit from each 'select' box above, enter your figure (x) into the 'value to convert' box and click the 'Convert!' button.

If you wish to convert between micrograms and milligrams, you can do so with the mcg to mg converter. Alternatively, you can convert between micrograms and grams here.


If you have any suggestions or queries with this milligrams/grams conversion tool, please contact me.