# Keyword Analysis & Research: dosage calculations practice problems

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How to do dosage calculation?

Dosage calculation formulas. If you want to calculate the dose of a medication, you need to use the following equation: dose = weight * dosage. Weight is the patients weight, expressed in kg or lb. It is very important that you input an accurate result. Dosage is the prescribed amount of drug in mg per kg of body weight.

How to calculate dosage formula?

To calculate the dose, take the desired amount and divide it by the amount on hand, then multiply it by the quantity, like this: Cephalexin (Keflex) 750 mg P.O. every 12 hours is ordered. The pharmacy stocks 250 mg tablets. How many tablets should be administered per dose?

How many MEQ in 1 mg?

Thus, 1 mEq is represented by 1 mg of hydrogen (1 mole) or 23 mg of Na+, 39 mg of K+, etc. Additionally, how do I find my mEq weight? The gram-equivalent weight of an electrolyte is the molecular weight of the electrolyte expressed in grams (also known as the gram molecular weight or mole) divided by the valence of the electrolyte.