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Formula for Micrograms to Milligrams conversion?
How many Microgram to Milligram (mcg to mg)
Formula to convert mcg to mg:
mg = mcg / 1000
To convert 500 mcg to mg, divide by 1000:
500 mcg / 1000 = 0.5 mg
How many Milligram to Microgram (mg to mcg)
Formula to convert mg to mcg:
mcg = mg * 1000
To convert 2.5 mg to mcg, multiply by 1000:
2.5 mg * 1000 = 2500 mcg
To convert milligrams to micrograms, multiply by 1000. To convert micrograms to milligrams, divide by 1000.
What is a Milligram?

- Milligram is a small unit of measurement of mass
- One milligram is equal to one thousandth of a gram. The term 'milli' means thousand
- The milligram is part of the metric system of measurement and used in most countries.
- Milligrams are typically used to measure smaller quantities of matter, such as the dose of a medication or the amount of a nutrient in a food.
- The abbreviation for milligram is 'mg'
Where is Milligram Used?
- In Medicines where there are multiple chemical ingredients mixed in different proportions which are in mg. Example Paracetamol 250 mg or 650 mg, Ibuprofen 200 mg
- Minerals/ Vitamins listed in packaged food are specified in milligrams.
- Daily intake of Vitamins and some Trace elements specified by authorized agencies are in mg. Example: Vitamin C 75 mg per day, Iron 20 mg and so on...
- Garden nutrients have different composition of items in milligrams.
- Chemical solutions used in labs for research and scientific experiments are specified in milligrams.
- Milligrams is also used in pricing of precious metals along with carat.
What is a Microgram?

- Micrograms is one of the smallest units of measurement of Mass, commonly used in medicine, science, and other fields.
- One microgram is equal to one thousandth of a milligram which means an microgram is 1000 times smaller than a milligram
- This means that there are one million micrograms in one gram.
- A 'micro' means very small and used in context such as microscopic, micro organism
- Abbreviation used for microgram is 'μg' or 'mcg'. “µ” is pronounced as 'mu'
Where is Microgram used?

Micrograms are used in number of areas
- Ingredients mix that go into making a Medicine are in mcg
- Micrograms are also used to measure the levels of trace elements, minerals in daily food intake. For example, the recommended daily intake of selenium, vitamin K are specified in mcg.
- Another example related to food source and mcg - Vitamin A in Mango is around 110 mcg while that of a pistachio nut is 4 mcg
- They are are used in scientific measurements, such as the mass of cells and the concentration of chemicals in solution.
- Blood lead levels are expressed in mcg. Other cellular level constituents are also in specified in μg/deciliter
Microgram to Milligram Conversion (mcg to mg) Table

| Microgram (mcg) | Milligram(mg) |
|---|---|
| 1 mcg | 0.001 mg |
| 2 mcg | 0.002 mg |
| 2.4 mcg | 0.0024 mg |
| 3 mcg | 0.003 mg |
| 4 mcg | 0.004 mg |
| 5 mcg | 0.005 mg |
| 10 mcg | 0.01 mg |
| 15 mcg | 0.015 mg |
| 20 mcg | 0.02 mg |
| 25 mcg | 0.025 mg |
| 40 mcg | 0.04 mg |
| 50 mcg | 0.05 mg |
| 60 mcg | 0.06 mg |
| 75 mcg | 0.075 mg |
| 90 mcg | 0.09 mg |
| 100 mcg | 0.1 mg |
| 120 mcg | 0.12 mg |
| 125 mcg | 0.125 mg |
| 150 mcg | 0.15 mg |
| 175 mcg | 0.175 mg |
| 180 mcg | 0.18 mg |
| 200 mcg | 0.2 mg |
| 225 mcg | 0.225 mg |
| 250 mcg | 0.25 mg |
| 300 mcg | 0.3 mg |
| 350 mcg | 0.35 mg |
| 400 mcg | 0.4 mg |
| 450 mcg | 0.45 mg |
| 500 mcg | 0.5 mg |
| 600 mcg | 0.6 mg |
| 650 mcg | 0.65 mg |
| 700 mcg | 0.7 mg |
| 750 mcg | 0.75 mg |
| 800 mcg | 0.8 mg |
| 900 mcg | 0.9 mg |
| 1000 mcg | 1 mg |
| 1500 mcg | 1.5 mg |
| 2000 mcg | 2 mg |
| 2500 mcg | 2.5 mg |
| 3000 mcg | 3 mg |
| 3500 mcg | 3.5 mg |
| 4000 mcg | 4 mg |
| 5000 mcg | 5 mg |
| 10000 mcg | 10 mg |
| 20000 mcg | 20 mg |
| 50000 mcg | 50 mg |
Milligram to Microgram Conversion (mg to mcg) Table

| Milligram (mg) | Microgram (mcg) |
|---|---|
| 0.01 mg | 10 mcg |
| 0.05 mg | 50 mcg |
| 0.1 mg | 100 mcg |
| 0.2 mg | 200 mcg |
| 0.25 mg | 250 mcg |
| 0.3 mg | 300 mcg |
| 0.4 mg | 400 mcg |
| 0.5 mg | 500 mcg |
| 0.75 mg | 750 mcg |
| 1.0 mg | 1,000 mcg |
| 2.0 mg | 2000 mcg |
| 2.5 mg | 2500 mcg |
| 3.0 mg | 3000 mcg |
| 3.5 mg | 3500 mcg |
| 4.0 mg | 4000 mcg |
| 4.5 mg | 4500 mcg |
| 5 mg | 5000 mcg |
| 6 mg | 6000 mcg |
| 7 mg | 7000 mcg |
| 8 mg | 8000 mcg |
| 9 mg | 9000 mcg |
| 10 mg | 10,000 mcg |
| 11 mg | 11,000 mcg |
| 12 mg | 12,000 mcg |
| 13 mg | 13,000 mcg |
| 14 mg | 14,000 mcg |
| 15 mg | 15,000 mcg |
| 25 mg | 25,000 mcg |
| 50 mg | 50,000 mcg |
| 100 mg | 100,000 mcg |
Frequently Asked Questions on Microgram and Milligram Conversion

How many micrograms in a kilogram?
A kilogram is 1000,000,000 (1 ^ 9) micrograms.
A 1000 grams is a kilogram, a 1000 milligram is a gram and 1000 microgram is a milligram.
So it takes 1000 x 1000 x 1000 microgram to make a kilogram
Which is bigger mcg or mg?
mg is 1000 times bigger than mcg
What objects weigh a microgram?
A grain of sand is supposed to weigh 1 mcg
A Red blood cell is in the range of few micrograms
A small dot of a graphite/carbon is 1 mcg


