Length Terms and abbreviations 1 inch = 2.5 centimeters Gram (g) measures mass or weight Volume for Fluids Liter (l) measures volume or liquid 1 liter = 1000 milliliters Meter (m) measures length or distance 1 milliliter = 1 cubic centimeter Kilo (k) = thousands 1 teaspoon = 5 milliliters Deci (d) = tenths 1 tablespoon = 15 milliliters Centi (c) = hundredths 1 ounce = 30 milliliters Milli (m) = thousandths 60 gtt. (gtt. = drops) = 1 teaspoonful Liquid drug preparations 3 teaspoons = 1 tablespoon 1. Creams and ointments are expressed as percentage 1 teaspoon = approximately 60 gr (gr = grain; not to be concentrations confused with g = gram) 2. A certain quantity of the drug is contained in the final quantity of Weight Conversions the product 1 gram = 1000 milligrams a. 1 % hydrocortisone cream contains 1 g of hydrocortisone in 1 kilogram = 1000 grams 100 g final product (the actual drug plus the cream) 1 kilogram = 2.2 pounds b. 5% sodium chloride solution contains 5 g sodium chloride in 1 pound = 16 ounces 100 ml final product ( NaCl and distilled water) Temperature Conversions c. 1 gram in 100 grams or 1/100 equal to 0.01, or 1% Celsius to Fahrenheit (0C x 1.8) + 32 = 0F d. 5 grams in 100 milliliters equal to 5/100 or 0.05, or 5% Fahrenheit to Celsius (0F 32) ÷ 1.8 = 0C –
Length 1 inch = 2.5 centimeters Volume for Fluids 1 liter = 1000 milliliters 1 milliliter = 1 cubic centimeter 1 teaspoon = 5 milliliters 1 tablespoon = 15 milliliters 1 ounce = 30 milliliters 60 gtt. (gtt. = drops) = 1 teaspoonful 3 teaspoons = 1 tablespoon 1 teaspoon = approximately 60 gr (gr = grain; not to be confused with g = gram) Weight Conversions 1 gram = 1000 milligrams 1 kilogram = 1000 grams 1 kilogram = 2.2 pounds 1 pound = 16 ounces Temperature Conversions Celsius to Fahrenheit (0C x 1.8) + 32 = 0F Fahrenheit to Celsius (0F – 32) ÷ 1.8 = 0C Terms and abbreviations Gram (g) measures mass or weight Liter (l) measures volume or liquid Meter (m) measures length or distance Kilo (k) = thousands Deci (d) = tenths Centi (c) = hundredths Milli (m) = thousandths Liquid drug preparations 1. Creams and ointments are expressed as percentage concentrations 2. A certain quantity of the drug is contained in the final quantity of the product a. 1 % hydrocortisone cream contains 1 g of hydrocortisone in 100 g final product (the actual drug plus the cream) b. 5% sodium chloride solution contains 5 g sodium chloride in 100 ml final product ( NaCl and distilled water) c. 1 gram in 100 grams or 1/100 equal to 0.01, or 1% d. 5 grams in 100 milliliters equal to 5/100 or 0.05, or 5%
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