Milligrams to Grams Converter

1 mg = 0.001 g. Type any value below for the exact grams figure.

mg
1g

1,000 mg = 1 g

Conversion summary

1 mg = 0.001 g

Formula
Gram = Milligram ÷ 1,000
Category
Mass
Units
mg → g

1,000 mg in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

Metric

  • Kilogram0.001 kg
  • Gram1 g
  • Quintal0.00001 q
  • Metric ton0.000001 ton
  • Hectogram0.01 hg
  • Carat5 ct

US / Imperial

  • Pound0.002204623 lb
  • Stone0.000157473 st
  • Grain15.43236 gr
  • Ounce0.03527396 oz
  • Troy Ounce0.03215075 ozt

Traditional and regional

  • Metric pound (500 g)0.002 pond
  • Arroba (15 kg)0.00006666667 @
  • Okka0.0007794566 okka
  • Dirham0.3117827 dirhem
  • Miskal0.2078551 miskal
  • Batman0.0001299094 batman
  • Byzantine Litra0.00308642 litra
  • Byzantine Ounce0.03703704 ounkia

Scientific

  • Dalton6.02214E23 Da

How do you convert milligrams to grams?

To convert milligrams to grams, divide the number of milligrams by 1,000. 1 mg = 0.001 g.

Conversion formula

Gram = Milligram ÷ 1,000

Milligrams to grams conversion table

Milligrams (mg)Grams (g)
1 mg0.001 g
10 mg0.01 g
100 mg0.1 g
500 mg0.5 g
1,000 mg1 g
5,000 mg5 g
10,000 mg10 g

What is Milligram?

The milligram is a very small unit of mass equal to one thousandth of a gram. It is essential in medicine and laboratory work.

Short history of Milligram

Its importance grew with the rise of analytical balances, dosage control and laboratory precision.

Open the Milligram unit guide

What is Gram?

The gram is a unit of mass equal to one thousandth of a kilogram. It is widely used for food, laboratory materials and small quantities.

Short history of Gram

The gram became established as a smaller metric mass unit during the development of the decimal measurement system.

Open the Gram unit guide

Frequently asked questions

What is 1 Milligram in Gram?

1 mg = 0.001 g.

How do you convert Milligram to Gram?

To convert milligrams to grams, divide the number of milligrams by 1,000. 1 mg = 0.001 g.

Frequently asked questions

How many grams are in 1 milligram?

1 mg = 0.001 g.

How do you convert milligrams to grams?

To convert milligrams to grams, divide the number of milligrams by 1,000. 1 mg = 0.001 g.

How many milligrams are in 1 gram?

1 g = 1,000 mg.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. BIPM: SI base unit: kilogram
  3. NIST: SI Units — Mass
  4. NIST: Guide for the Use of the International System of Units

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