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Milligram (mg) is a mass, while tablespoon (tbs) is a volume. You will need the density of the liquid or substance you are trying to measure to be able to perform the conversion. One tablespoon is 15 mL (15mL per tbs), and if you are just measuring water, you can assume that the density is 1000 mg/mL (or 1g/mL). To perform the conversion, you would first, take the mg of the substance, divide by the density (mg/mL), getting mL as the unit. Secondly, take the mL you got from the first step, divide the mL by 15mL/tbs, which would give you tbs as the unit.

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15y ago
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9y ago

one mg is 1/1000 of a gram, so the better question would be how many mg are there in a teaspoon, since a teaspoon would be much larger. But before you figure this out, we need to know what you are measuring because mg are a measure of weight and a teaspoon of one thing will have a different weight than a teaspoon of something else.

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10y ago

A teaspoon is a measure of volume (how much physical space something takes up). Milligram (abbreviated mg) is a unit of mass (how much matter is present). A milligram of air would take more space than a milligram of water, and that would take up more volume than a miligram of lead or uranium.

That being said, suppose you are dealing with sugar, as one example. A teaspoon of sugar is about 4 grams, or 4,000 milligrams. So in that example, one mg would be far less than a teaspoon.

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16y ago

Pay attention that a teaspoon is a cooking measure for a volume. It means 4.92892159 milliliters. The weight in gram is something different.

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16y ago

1 tsp (teaspoon) is 5 ml, which is 5 g of water, this equals 5000 mg of water.

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15y ago

need to know how many milligram in a teaspoon???? help me

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10y ago

You can not do the conversion without knowing the density of the dry substance.

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Q: How many teaspoons are there in a mg?
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