Converting Metric Units of Mass

Name: _______________________________
Date: _______________________________

📏 Quick Reference:

• 1 kg = 1,000 g
• 1 g = 1,000 mg
• 1 kg = 1,000,000 mg

Part A: Basic Conversions

1. 3.5 kg = __________________ g
2. 2,400 g = __________________ kg
3. 6,000 mg = __________________ g
4. 0.75 g = __________________ mg
5. 4.2 kg = __________________ g
6. 850 g = __________________ kg

Part B: Multi-Step Conversions

7. 2.5 kg = __________________ mg
8. 3,500,000 mg = __________________ kg
9. 0.008 kg = __________________ mg
10. 45,000 mg = __________________ kg

Part C: Word Problems

11. A recipe requires 250 g of flour and 1.2 kg of sugar. What is the total mass in grams?

Answer: __________________

12. A bottle contains 2.5 litres of medicine. Each dose is 5,000 mg. If the medicine has a density of 1 g/mL, how many doses are in the bottle?

Answer: __________________

13. Sarah bought 3 bags of rice, each weighing 2.5 kg. What is the total mass in grams?

Answer: __________________

14. A jeweller has 45,000 mg of gold. She uses 12.5 g for a bracelet. How many grams of gold remain?

Answer: __________________

15. A truck is carrying 4,500 kg of supplies. If each box weighs 15,000 g, how many boxes are there?

Answer: __________________