English worksheets: Kilograms and Grams - Free Printable

To solve these problems, we need to remember the rule shown in the box:
1 kilogram (kg) = 1000 grams (g)

* To change kg to g, we multiply by 1000.
* To change g to kg, we divide by 1000.

Here is the step-by-step solution for each item:

Part 1: How many grams? (Multiply by 1000)

1. 7.5 kg
* $7.5 \times 1000 = 7500$
* Answer: 7500 g

2. 9.3 kg
* $9.3 \times 1000 = 9300$
* Answer: 9300 g

3. 7.5 kg (Grocery bag)
* $7.5 \times 1000 = 7500$
* Answer: 7500 g

4. 15.75 kg
* $15.75 \times 1000 = 15750$
* Answer: 15750 g

5. 6.6 kg
* $6.6 \times 1000 = 6600$
* Answer: 6600 g

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Part 2: How many kilograms? (Divide by 1000)

6. 5385 g
* $5385 \div 1000 = 5.385$
* Answer: 5.385 kg

7. 7750 g
* $7750 \div 1000 = 7.75$
* Answer: 7.75 kg

8. 9650 g
* $9650 \div 1000 = 9.65$
* Answer: 9.65 kg

9. 8520 g
* $8520 \div 1000 = 8.52$
* Answer: 8.52 kg

10. 6800 g
* $6800 \div 1000 = 6.8$
* Answer: 6.8 kg

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Final Answer:
How many grams?
* 7.5 kg = 7500 g
* 9.3 kg = 9300 g
* 7.5 kg = 7500 g
* 15.75 kg = 15750 g
* 6.6 kg = 6600 g

How many kilograms?
* 5385 g = 5.385 kg
* 7750 g = 7.75 kg
* 9650 g = 9.65 kg
* 8520 g = 8.52 kg
* 6800 g = 6.8 kg