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Milligrams to Grams Converter

1 mg = 0.001 g. Type any value to convert milligrams to grams.

1 mg = 0.001 g

Formula: g = mg × 0.001

Common values
Decimals
In every unit 14 units
Microgram (µg) 1,000 µg
Milligram (mg) 1 mg
Gram (g) 0.001 g
Decagram (dag) 0.0001 dag
Kilogram (kg) 0.000001 kg
Tonne (t) 1 × 10⁻⁹ t
Carat (ct) 0.005 ct
Grain (gr) 0.01543235835 gr
Ounce (oz) 0.00003527396195 oz
Pound (lb) 0.000002204622622 lb
Stone (st) 1.574730444 × 10⁻⁷ st
US ton (short ton) (US ton) 1.102311311 × 10⁻⁹ US ton
UK ton (long ton) (UK ton) 9.842065276 × 10⁻¹⁰ UK ton
Troy ounce (oz t) 0.00003215074657 oz t

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Milligrams to grams table

Formula: g = mg × 0.001

Milligram (mg)Gram (g)
0.1 mg0.0001 g
0.25 mg0.00025 g
0.5 mg0.0005 g
1 mg0.001 g
2 mg0.002 g
3 mg0.003 g
4 mg0.004 g
5 mg0.005 g
6 mg0.006 g
7 mg0.007 g
8 mg0.008 g
9 mg0.009 g
10 mg0.01 g
12 mg0.012 g
15 mg0.015 g
20 mg0.02 g
25 mg0.025 g
30 mg0.03 g
40 mg0.04 g
50 mg0.05 g
60 mg0.06 g
75 mg0.075 g
100 mg0.1 g
150 mg0.15 g
200 mg0.2 g
250 mg0.25 g
500 mg0.5 g
1,000 mg1 g

How to use: Milligrams to Grams

  1. 1 Type the value in milligrams.
  2. 2 The result in grams appears at once – or type in the grams field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of mass.

About this tool

Milligram (mg) is a unit of mass (SI); 1 mg = 0.000001 kg. Gram (g) is a unit of mass (SI); 1 g = 0.001 kg.

To convert milligrams to grams, multiply the value by 0.001 (g = mg × 0.001). Example: 10 mg = 0.01 g.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert milligrams to grams?

To convert milligrams to grams, multiply the value by 0.001: g = mg × 0.001. For example 10 mg = 0.01 g.

What is 1 mg in grams?

1 mg = 0.001 g. The other way round, 1 g = 1,000 mg.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of mass here?

Yes – choose any of the 14 units of mass in the From and To lists, or switch to another measurement at the top.

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