Free printable · answer key included

Liquid measurement conversion practice

Choose the correct operation when converting between gallons, quarts, pints, cups, and US fluid ounces.

Suggested levelThree levels · whole numbers, fractions, and mixed conversions
Learning objectiveChoose the correct operation when converting between gallons, quarts, pints, cups, and US fluid ounces.
GallonMan Volume, made visible.

Liquid measurement conversion practice

Name: ____________________Date: ____________________

Instructions

Write the equivalent amount and include the unit label. Use the Gallon Man relationship for sections A and B. For section C, show the conversion factor you used.

A. Begin with one step

  1. 7 pints = ______ cups
  2. 5 quarts = ______ pints
  3. 24 cups = ______ pints
  4. 3 gallons = ______ quarts
  5. 64 US fl oz = ______ cups
  6. 20 cups = ______ quarts

B. Work across the ladder

  1. 2 gallons = ______ cups
  2. 48 cups = ______ gallons
  3. 3 quarts = ______ US fl oz
  4. 96 US fl oz = ______ pints
  5. ½ gallon = ______ cups
  6. 2½ quarts = ______ cups

C. Challenge conversions

  1. 1¾ gallons = ______ quarts
  2. 14 pints = ______ gallons
  3. 30 cups = ______ quarts
  4. 2 gallons + 3 quarts = ______ cups
  5. 160 US fl oz = ______ gallons
  6. Which is greater: 5 quarts or 18 cups? By how much?
GallonMan · Volume, made visible. · /worksheets/conversion-practice/
View answer key and explanations

Designated answer view

Liquid measurement conversion practice — answer key

A. Begin with one step

  1. 14 cups
  2. 10 pints
  3. 12 pints
  4. 12 quarts
  5. 8 cups
  6. 5 quarts

B. Work across the ladder

  1. 32 cups
  2. 3 gallons
  3. 96 US fl oz
  4. 6 pints
  5. 8 cups
  6. 10 cups

C. Challenge conversions

  1. 7 quarts
  2. 1¾ gallons
  3. 7½ quarts
  4. 44 cups
  5. 1¼ gallons
  6. 5 quarts is 20 cups, so it is greater by 2 cups.

Teacher and parent notes

Use the errors as evidence

Pair this worksheet with the linked lesson before treating it as an assessment. A learner who can explain why the count changes is building a more durable model than one who only recalls a number.