Convert Grams to Milligrams

Enter your gram value in the form below to get the value calculated in milligrams.

Results in Milligrams:

1 g = 1,000 mg

How to Convert Grams to Milligrams Using an Easy Conversion Formula

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Convert grams to milligrams with this simple formula:

milligrams = grams × 1000

Converting a gram weight measurement to a milligram measurement involves multiplying your weight by the conversion ratio to find the result. A gram is equal to 1000 milligrams, so to convert simply multiply by 1000.

For example:

5g = (5 × 1000) = 5,000mg

Grams and milligrams are both units used to measure weight. Learn more about weight and find more weight measurement conversion calculators. A gram is a metric measurement and can be abbreviated as g, for example 1g. A milligram is a metric measurement and can be abbreviated as mg, for example 1mg. Learn more about the metric system, including the common unit prefixes and how to convert between metric units.

grams and milligrams are units used to measure weight

Convert Milligrams to Grams

Gram Measurements and Equivalent Milligram Conversions

Common gram values converted to the equivalent milligram value
Grams	Milligrams	Grams	Milligrams	Grams	Milligrams
1	1,000	21	21,000	41	41,000
2	2,000	22	22,000	42	42,000
3	3,000	23	23,000	43	43,000
4	4,000	24	24,000	44	44,000
5	5,000	25	25,000	45	45,000
6	6,000	26	26,000	46	46,000
7	7,000	27	27,000	47	47,000
8	8,000	28	28,000	48	48,000
9	9,000	29	29,000	49	49,000
10	10,000	30	30,000	50	50,000
11	11,000	31	31,000	51	51,000
12	12,000	32	32,000	52	52,000
13	13,000	33	33,000	53	53,000
14	14,000	34	34,000	54	54,000
15	15,000	35	35,000	55	55,000
16	16,000	36	36,000	56	56,000
17	17,000	37	37,000	57	57,000
18	18,000	38	38,000	58	58,000
19	19,000	39	39,000	59	59,000
20	20,000	40	40,000	60	60,000