Household measure conversion practice problems

Unit Conversion · 10 problems

Work each problem on paper first, rounding as the question says. Then open the answer to check it and see every step.

For study and exam practice, not for patient care. The orders in these problems are written for practice. In the clinic, follow the prescriber's order, your facility's protocols, and your pharmacy.

1. Problem 1

   A client is told to take 4 cups of an oral medication. Use 1 cup = 240 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 960 mL

   1. 1 cup = 240 mL.
   2. 4 cups × 240 mL = 960 mL.
   3. 960 mL is exact, so no rounding is needed.

2. Problem 2

   A client is told to take 9 ounces of an oral medication. Use 1 ounce = 30 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 270 mL

   1. 1 ounce = 30 mL.
   2. 9 ounces × 30 mL = 270 mL.
   3. 270 mL is exact, so no rounding is needed.

3. Problem 3

   The nurse is teaching a client who was discharged after treatment for pneumonia. The client is told to take 10 ounces of an oral medication. Use 1 ounce = 30 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 300 mL

   1. 1 ounce = 30 mL.
   2. 10 ounces × 30 mL = 300 mL.
   3. 300 mL is exact, so no rounding is needed.

4. Problem 4

   The dose is 7.5 mL. Use 1 tablespoon = 15 mL. How many tablespoons is this? Record your answer using 1 decimal place.

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   Answer: 0.5 tablespoons

   1. 1 tablespoon = 15 mL.
   2. 7.5 mL ÷ 15 mL = 0.5 tablespoons.
   3. 0.5 tablespoons is exact, so no rounding is needed.

5. Problem 5

   The nurse is caring for a client who is told to take 14 ounces of an oral medication. Use 1 ounce = 30 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 420 mL

   1. 1 ounce = 30 mL.
   2. 14 ounces × 30 mL = 420 mL.
   3. 420 mL is exact, so no rounding is needed.

6. Problem 6

   A client is being discharged on an oral liquid medication for ongoing pain control, and the nurse is teaching the client how to measure each dose at home. The dose is 30 mL. Use 1 tablespoon = 15 mL. How many tablespoons is this? Record your answer using a whole number.

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   Answer: 2 tablespoons

   1. 1 tablespoon = 15 mL.
   2. 30 mL ÷ 15 mL = 2 tablespoons.
   3. 2 tablespoons is exact, so no rounding is needed.

7. Problem 7

   The nurse is preparing a dose for a client recovering from a respiratory infection. The client is told to take 8 ounces of an oral medication. Use 1 ounce = 30 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 240 mL

   1. 1 ounce = 30 mL.
   2. 8 ounces × 30 mL = 240 mL.
   3. 240 mL is exact, so no rounding is needed.

8. Problem 8

   The nurse is caring for a client who is told to take 15 ounces of an oral medication. Use 1 ounce = 30 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 450 mL

   1. 1 ounce = 30 mL.
   2. 15 ounces × 30 mL = 450 mL.
   3. 450 mL is exact, so no rounding is needed.

9. Problem 9

   A client is told to take 3.5 cups of an oral medication. Use 1 cup = 240 mL. How many mL is this? Record your answer using a whole number.

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   Answer: 840 mL

   1. 1 cup = 240 mL.
   2. 3.5 cups × 240 mL = 840 mL.
   3. 840 mL is exact, so no rounding is needed.

10. Problem 10

    Order: a client is told to take 7 ounces of an oral medication. Use 1 ounce = 30 mL. How many mL is this? Record your answer using a whole number.

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    Answer: 210 mL

    1. 1 ounce = 30 mL.
    2. 7 ounces × 30 mL = 210 mL.
    3. 210 mL is exact, so no rounding is needed.

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