Milligrams to micrograms

Change from milligrams to micrograms is a very simple operation, but to make it even easier for you, we have developed a converter that will allow you to calculate the equivalence between these two small weight units automatically.

Just enter the weight in milligrams you wish to convert to micrograms and press the calculate button to know the result. If you prefer, we have another tool that will allow you to perform the inverse conversion, i.e., to calculate the result, from micrograms to milligrams.

1 milligram to micrograms

As mentioned above, transform milligrams to micrograms is very easy since you only have to multiply by a thousand to make the change of units. From this we can easily deduce that:

1 mg = 1000 μg

Therefore, if you are asked what is ugYou can answer that it is a unit of mass that belongs to the International System of Units and is equivalent to:

  • 10-3 mg
  • 10-6 g
  • 10-9 Kg

How to go from milligrams to micrograms

Mg to micrograms


The formula to convert from milligrams to micrograms is as follows:

m(μg) = m(mg) × 1000

To propose a example, practical, let's move on to mg weighing 12.2 grams:

m(μg) = m(mg) × 1000 = 12.2 mg x 1000 = 12,200 μg

As you probably already know, multiplying by 1000 implies moving the decimal point three positions to the right, so for convert mg to mcg you don't need a calculator.

Convert milligrams to micrograms in Excel

Milligrams to micrograms in Excel

If you want to create your own mg to μg converterIf you have Excel installed on your computer, you only need to have Excel installed on your computer. If you have it, open a new spreadsheet and type in an empty cell the following function:


All you have to do is reemplazar la palabra "peso" por la cifra de miligramos you want to convert to micrograms. For example, if you want to convert 5 mg to mcg, you would write the function like this:


Table of equivalence of milligrams to micrograms

Working with such small units of weight is not very common and you may not be accustomed to the equivalence between milligrams and microgramsTherefore, we have compiled a wide range of conversions in a table for you to have a much clearer reference.

If you are going to use this type of equivalences frequently, it will be very useful for you to print this table and put it in a place where you can always see it.

Milligrams (mg)Micrograms (μg)
0 mg0 μg
0.1 mg100 μg
1 mg1,000 μg
2 mg2,000 μg
3 mg3,000 μg
4 mg4,000 μg
5 mg5,000 μg
6 mg6,000 μg
7 mg7,000 μg
8 mg8,000 μg
9 mg9,000 μg
10 mg10,000 μg
20 mg20,000 μg
30 mg30,000 μg
40 mg40,000 μg
50 mg50,000 μg
60 mg60,000 μg
70 mg70,000 μg
80 mg80,000 μg
90 mg90,000 μg
100 mg100,000 μg
1,000 mg1,000,000 μg

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