Customary unit conversions

  • Level: Grade 4 – Grade 5
  • Free
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  • Answer key included

US customary units use different factors: 1 ft = 12 in, 1 yd = 3 ft = 36 in, 1 lb = 16 oz, 1 gal = 4 qt, 1 qt = 2 pt and 1 pt = 2 cups. All answers are whole numbers.

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Grade 4 – Grade 5
Customary unit conversions

Fill in the missing number.

Name Date Score / 21
  1. 1.
    9 qt = pt
  2. 2.
    11 qt = pt
  3. 3.
    4 pt = qt
  4. 4.
    5 qt = pt
  5. 5.
    36 qt = gal
  6. 6.
    20 cups = pt
  7. 7.
    10 ft = in
  8. 8.
    3 yd = in
  9. 9.
    9 lb = oz
  10. 10.
    324 in = yd
  11. 11.
    12 ft = yd
  12. 12.
    9 gal = qt
  13. 13.
    18 ft = yd
  14. 14.
    360 in = yd
  15. 15.
    96 in = ft
  16. 16.
    7 lb = oz
  17. 17.
    4 qt = pt
  18. 18.
    8 pt = cups
  19. 19.
    24 cups = pt
  20. 20.
    12 yd = in
  21. 21.
    4 pt = cups
MathSheetLab · mathlabs.pages.devWorksheet #811952
Grade 4 – Grade 5
Customary unit conversionsAnswer key
  1. 1.
    9 qt = 18 pt
  2. 2.
    11 qt = 22 pt
  3. 3.
    4 pt = 2 qt
  4. 4.
    5 qt = 10 pt
  5. 5.
    36 qt = 9 gal
  6. 6.
    20 cups = 10 pt
  7. 7.
    10 ft = 120 in
  8. 8.
    3 yd = 108 in
  9. 9.
    9 lb = 144 oz
  10. 10.
    324 in = 9 yd
  11. 11.
    12 ft = 4 yd
  12. 12.
    9 gal = 36 qt
  13. 13.
    18 ft = 6 yd
  14. 14.
    360 in = 10 yd
  15. 15.
    96 in = 8 ft
  16. 16.
    7 lb = 112 oz
  17. 17.
    4 qt = 8 pt
  18. 18.
    8 pt = 16 cups
  19. 19.
    24 cups = 12 pt
  20. 20.
    12 yd = 432 in
  21. 21.
    4 pt = 8 cups
MathSheetLab · mathlabs.pages.devWorksheet #811952

About this worksheet

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Worked example

8 lb = oz
  1. 1 lb = 16 oz.
  2. A bigger unit to a smaller unit: multiply. 8 × 16 = 128.

Answer: 128

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