Convert between fluid ounces, quarts, and gallons with this Grade 4 measurement worksheet.

Here are the step-by-step solutions for the worksheet problems.

Key Conversions to Remember:
* 1 gallon (gal) = 4 quarts (qt)
* 1 quart (qt) = 32 fluid ounces (fl oz)
* 1 gallon (gal) = 128 fluid ounces (fl oz)

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1. 8 gal = \_\_\_ fl oz
* Think: To go from gallons to fluid ounces, multiply by 128.
* Calculation: $8 \times 128$
* $8 \times 100 = 800$
* $8 \times 20 = 160$
* $8 \times 8 = 64$
* $800 + 160 + 64 = 1024$
* Answer: 1024

2. 4 qt = \_\_\_ gal
* Think: To go from quarts to gallons, divide by 4.
* Calculation: $4 \div 4 = 1$
* Answer: 1

3. 128 fl oz = \_\_\_ gal
* Think: To go from fluid ounces to gallons, divide by 128.
* Calculation: $128 \div 128 = 1$
* Answer: 1

4. 6 gal = \_\_\_ fl oz
* Think: Multiply gallons by 128.
* Calculation: $6 \times 128$
* $6 \times 100 = 600$
* $6 \times 20 = 120$
* $6 \times 8 = 48$
* $600 + 120 + 48 = 768$
* Answer: 768

5. 7 gal = \_\_\_ fl oz
* Think: Multiply gallons by 128.
* Calculation: $7 \times 128$
* $7 \times 100 = 700$
* $7 \times 20 = 140$
* $7 \times 8 = 56$
* $700 + 140 + 56 = 896$
* Answer: 896

6. 15 gal = \_\_\_ qt
* Think: To go from gallons to quarts, multiply by 4.
* Calculation: $15 \times 4$
* $10 \times 4 = 40$
* $5 \times 4 = 20$
* $40 + 20 = 60$
* Answer: 60

7. 7 qt = \_\_\_ fl oz
* Think: To go from quarts to fluid ounces, multiply by 32.
* Calculation: $7 \times 32$
* $7 \times 30 = 210$
* $7 \times 2 = 14$
* $210 + 14 = 224$
* Answer: 224

8. 32 qt = \_\_\_ gal
* Think: To go from quarts to gallons, divide by 4.
* Calculation: $32 \div 4 = 8$
* Answer: 8

9. 13 gal = \_\_\_ qt
* Think: Multiply gallons by 4.
* Calculation: $13 \times 4$
* $10 \times 4 = 40$
* $3 \times 4 = 12$
* $40 + 12 = 52$
* Answer: 52

10. 2 gal = \_\_\_ fl oz
* Think: Multiply gallons by 128.
* Calculation: $2 \times 128 = 256$
* Answer: 256

11. 48 qt = \_\_\_ gal
* Think: Divide quarts by 4.
* Calculation: $48 \div 4 = 12$
* Answer: 12

12. 1 gal = \_\_\_ qt
* Think: This is a basic fact. 1 gallon equals 4 quarts.
* Answer: 4

13. 4 gal = \_\_\_ fl oz
* Think: Multiply gallons by 128.
* Calculation: $4 \times 128$
* $4 \times 100 = 400$
* $4 \times 20 = 80$
* $4 \times 8 = 32$
* $400 + 80 + 32 = 512$
* Answer: 512

14. 64 qt = \_\_\_ gal
* Think: Divide quarts by 4.
* Calculation: $64 \div 4 = 16$
* Answer: 16

15. 13 qt = \_\_\_ fl oz
* Think: Multiply quarts by 32.
* Calculation: $13 \times 32$
* $10 \times 32 = 320$
* $3 \times 32 = 96$
* $320 + 96 = 416$
* Answer: 416

16. 32 fl oz = \_\_\_ qt
* Think: Divide fluid ounces by 32.
* Calculation: $32 \div 32 = 1$
* Answer: 1

17. 14 gal = \_\_\_ qt
* Think: Multiply gallons by 4.
* Calculation: $14 \times 4$
* $10 \times 4 = 40$
* $4 \times 4 = 16$
* $40 + 16 = 56$
* Answer: 56

18. 5 gal = \_\_\_ fl oz
* Think: Multiply gallons by 128.
* Calculation: $5 \times 128$
* $5 \times 100 = 500$
* $5 \times 20 = 100$
* $5 \times 8 = 40$
* $500 + 100 + 40 = 640$
* Answer: 640

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Final Answer:
1. 1024
2. 1
3. 1
4. 768
5. 896
6. 60
7. 224
8. 8
9. 52
10. 256
11. 12
12. 4
13. 512
14. 16
15. 416
16. 1
17. 56
18. 640