You cannot.
Milligram (not miligram) and kilogram are measures of mass whereas a litre is a measure of volume. So mg per kg is a pure ratio - with no units whereas the second is a measure of density with units of mg per litre. You cannot convert from one to the other without additional information.
31.1 (milligrams per liter) = about 1.817 grains per US gallon.
You cannot. The problem here is you have weight per area and you want to convert to weight per volume. You need a third dimension to the area to calculate this.
In order to convert a microliter per liter to a mililiter per liter, just divide by 1,000.
There are 1,000 milligrams per gram. 0.2 grams*(1000 milligrams/gram) = 200 milligrams
You have to know the concentration first. That will either be in grams per milliliter (or milligrams per milliliter), or it could be in moles per liter (molarity). If it's given in grams per milliliter, just multiply that number by 60 and multiply by 1000.If it's given in moles per liter, than first find how many moles in 60 mL by multiplying by 0.06, and then convert moles to grams using the molar mass of caffeine (194.19 grams per mole).See the Related Questions for how to convert moles to grams.
They are the same thing. You have to divide to convert micrograms to milligrams. You have to multiply to convert per litre to per metre cubed. these cancel out.
Divide the density in kilograms per liter by the volume in liters
Don't, you can't.
note: 1 miligrame=0.001gram 1dl(deciliter) = 0.1 liter to convert multiply 1000/10
3.6 (milligrams per deciliter) = 36 milligrams per liter.
Each milligram per liter = 1.0 × 10-9 kilograms per cubic centimeter. So, multiply milligrams per liter by 1.0 x 10-9 to get kg per cubic cm.
-2.3
One milligram per kilogram IS one part per million: There are 1,000 milligrams in one gram and 1,000 grams in one kilogram. 1,000 mg = 1 g 1,000 g = 1 Kg 1,000 x 1,000 = 1,000,000
Given that a liter of water does weight about a kilogram, there would be a million milligrams of water per liter, so yes, one milligram per liter does work out to be one part per million (ppm).
0.461 milligrams per litre
One litre is equal to one Kilogram of H2O. Therefore, in consideration to solutes in water, a milligram per litre is equal to a milligram per kilogram. 1 kilogram = 1000 grams. 1 gram = 1000 milligrams. Therefore 1 kilogram = 1000x1000 = 1 000 000 milligrams. Back to the first statement, substituting 1 000 000 milligrams for kilogram: a milligram per litre is equal to a milligram per 1 000 000 milligrams, which is one part per million. Cheers, Anthony F.
1 milligram per liter = 0.000121703815 troy ounces per US gallon. So, multiply the number of mg per liter by 0.000121703815 to get troy ounces per US gallon. Example, 500 (milligrams per liter) x 0.000121703815 = 0.0608519075 troy ounces per US gallon.