Student resources
Grades 4-8
Metric Conversion Practice Worksheet
Use this worksheet to practice moving between common metric units. Try each problem first, then open the answer to check your work.
Key ideas
- To convert meters to centimeters, multiply by 100.
- To convert kilometers to meters, multiply by 1,000.
- To convert kilograms to grams, multiply by 1,000.
- To convert liters to milliliters, multiply by 1,000.
Practice Set
| Problem | Hint | Topic |
|---|---|---|
| Convert 3 m to cm | 1 m = 100 cm | Length |
| Convert 450 cm to m | Divide by 100 | Length |
| Convert 2.5 km to m | 1 km = 1,000 m | Length |
| Convert 6 kg to g | 1 kg = 1,000 g | Mass |
| Convert 750 ml to L | Divide by 1,000 | Volume |
| Convert 4.2 L to ml | 1 L = 1,000 ml | Volume |
Practice questions
Convert 3 m to cm.
Calculation: 3 x 100 = 300
Answer: 300 cm
Convert 450 cm to m.
Calculation: 450 / 100 = 4.5
Answer: 4.5 m
Convert 2.5 km to m.
Calculation: 2.5 x 1,000 = 2,500
Answer: 2,500 m
Convert 6 kg to g.
Calculation: 6 x 1,000 = 6,000
Answer: 6,000 g
Convert 750 ml to L.
Calculation: 750 / 1,000 = 0.75
Answer: 0.75 L
Convert 4.2 L to ml.
Calculation: 4.2 x 1,000 = 4,200
Answer: 4,200 ml