A: ### Quick Answer

**The number of milligrams per kilogram is exactly the same as the number of parts per million.** In other words, 1 mg/kg = 1 ppm.

According to Engineering Toolbox, parts per million, or ppm, is a term used to measure a small number of particles in air, water or bodily fluids. For example, a value of 10,000 parts per million refers to 1 percent of the solution, as 10,000 is 1 percent of 1 million. Similarly, 10,000 mg/kg x 1 g/1000 mg x 1 kg/1000 g = .01, showing that 10,000 mg/kg also represents 1 percent of the total solution. There is a one-to-one ratio between the number of parts per million and mg/kg.

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- Q:
## How many kilograms are in a single gram?

A:

Full Answer >**Since the kilogram is the bigger of the two units, 1 gram is equal to 0.001 kilograms.**However, there are 1,000 grams in a kilogram. Both units are metric measurements used to define the mass of an object.Filed Under: - Q:
## How many milligrams are in a kilogram?

A:

Full Answer >**There are one million milligrams in a kilogram.**A milligram is the smallest metric measurement and is equal to .001 of a gram. It takes 1,000 milligrams to equal 1 gram and 1,000 grams to equal a kilogram.Filed Under: - Q:
## How many liters are in 1 kilogram?

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Full Answer >**The number of liters in 1 kilogram depends on the density of the substance being measured.**The liter is a unit of volume, and the kilogram a unit of mass. One kilogram of shaving cream takes up several liters, while 1 kilogram of steel takes up less than a liter.Filed Under: - Q:
## How do you calculate body surface area?

A:Using the Mosteller formula, body surface area is calculated by taking the square root of a person's height in centimeters times his weight in kilograms divided by 3600, or BSA = SQRT([height (cm) x weight(kg)]/3600). There are multiple formulas available for calculating BSA.

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