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Teaspoons are used as a measure of volume, whereas mg (milligram) is a unit of weight. There is, therefore, no direct conversion between them. It is possible to convert for a given substance, for which the density is known.
In the US, a regulation teaspoon is exactly 5ml in volume, but actual teaspoons can range anywhere from 2.5 to 6ml.
If we assume you are talking about water (for example) and standard teaspoons, then we can calculate the weight of one teaspoon of water to be 5g (since 1ml of water weighs 1g). There are 1000mg in one gram, so there are 0.0025 teaspoons of water in 12.5mg.
As you can see, this is somewhat confusing and so volumetric measurements should be avoided for solid substances and weight measurements should be avoided for liquids.
Wiki User
∙ 13y ago
Wiki User
∙ 14y agoThe answer depends on the substance you're measuring. A milligram measures mass, while a teaspoon measures volume. Equal masses of different materials will have different volumes, so there is no general conversion.
Even different forms of the same substance and different ways of filling the measure matter. Since a teaspoon measures volume, the more air mixed in with the substance, the less substance will fit in the teaspoon, and the smaller its mass will be. A teaspoon of kosher salt, which has large grains that create big air-filled gaps when crammed together, has a lower mass than a teaspoon of table salt, that has smaller grains that fit together more easily. Same substance, same volume, different structure, different mass. If you measure a cup of flour by scooping the measuring cup in and leveling it off, you mix less air into the flour than if you spoon the flour in. That extra air allows less flour in the cup, so the cup of spooned flour will have a lower mass than the cup of scooped flour.
Wiki User
∙ 9y agoThat is approximately 2.5 teaspoons of water
Wiki User
∙ 11y ago1/2 teaspoon
Wiki User
∙ 14y ago0.0125 teaspoons
Wiki User
∙ 9y ago2.5 metric teaspoons
Wiki User
∙ 9y ago5 teaspoons of water equal 25 mg.
Wiki User
∙ 8y ago12.5 gm is 2.5 teaspoon.
Wiki User
∙ 14y ago11-D 4
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How many oz. are there in 25 mg?
It is 5 teaspoons or just less than 1 ounce.
How many tsp is 25 mg?
Milligrams can't be converted to teaspoons. Milligrams measure mass, while teaspoons measure volume.
How many teaspoons is 450 mg of sodium?
1010 mg of sodium is 0.2 teaspoons. It is 1/5 of a teaspoon.
15 mg equals how many teaspoons of cream?
15 mg is approximately three teaspoons or one tablespoon.
25 mg is how many teaspoons?
1 US teaspoon = 4.92892159 ml 25 ml = 25/4.9289216 tsp = 5.0721 tsp
How many teaspoons are in 125 grams?
This is not a valid conversion; milligrams (mg) and grams (g) are measures of weight or mass and mL (milliliters) is a measure of volume.
In 1.4 teaspoons how many milligrams is that?
About 8,000 mg.
How many spoons is 20 mg?
That is 4 teaspoons
600 mg equals how many teaspoons?
The amount of teaspoons that roughly equal 600 mg are 1.25 teaspoons. Teaspoons should not be used as accurate measurements since their amounts depend on density and approximation.
How many teaspoons is 10 mg of liquid?
Are you guys serious? 1 ML(milli litre) is 1000 mg, 10 mg is like 3% of a teaspoons surface
How many teaspoons of salt is 2400 mg?
I think it is about 1-1/4 teaspoons
How many teaspoons is 25 ml?
That is 5 teaspoons.
