mg to grams converter

1 milligram equals 0.001 grams. Conversions use g = mg × 0.001

mg → 0.001 g

g = mg × 0.001

Converter

Worked examples

1 mg = 0.001 g
2 mg = 0.002 g
5 mg = 0.005 g
10 mg = 0.01 g
100 mg = 0.1 g

milligrams to grams conversion table

mg	g	Arithmetic
100 mg	0.1 g	× 0.001
250 mg	0.25 g	× 0.001
500 mg	0.5 g	× 0.001
750 mg	0.75 g	× 0.001
1000 mg	1 g	× 0.001
1500 mg	1.5 g	× 0.001
2000 mg	2 g	× 0.001
1 mg	0.001 g	× 0.001
2 mg	0.002 g	× 0.001
3 mg	0.003 g	× 0.001
4 mg	0.004 g	× 0.001
5 mg	0.005 g	× 0.001
6 mg	0.006 g	× 0.001
8 mg	0.008 g	× 0.001
10 mg	0.01 g	× 0.001
12 mg	0.012 g	× 0.001
15 mg	0.015 g	× 0.001
20 mg	0.02 g	× 0.001
25 mg	0.025 g	× 0.001
30 mg	0.03 g	× 0.001
40 mg	0.04 g	× 0.001
50 mg	0.05 g	× 0.001
60 mg	0.06 g	× 0.001
70 mg	0.07 g	× 0.001
80 mg	0.08 g	× 0.001
90 mg	0.09 g	× 0.001

How to convert mg to g

Take your value in milligrams.
Multiply by 0.001
That is your answer in grams — no rounding needed until you choose a display precision.

Related conversions

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Questions

How many grams in 1 milligram?

Exactly 0.001 g. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert mg to g?

Multiply the milligrams figure by 0.001 — or use the converter above, which updates as you type.

Is mg to g the same as g to mg?

No — they are inverses. One mg is 0.001 g, while one g is 1,000 mg.

What is 100 mg in g?

100 mg = 0.1 g (see the value page for the full arithmetic).