Grade 3 Metric Conversion Worksheet
Practice converting between common metric units like centimeters and meters, and grams and kilograms.
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Metric Conversion Practice
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Read each question carefully and convert the measurements to the requested unit.
Remember: 1 meter (m) = 100 centimeters (cm)
1. 3 meters = centimeters
2. 500 centimeters = meters
3. 2 m 45 cm = cm
4. 700 cm = m
5. A ribbon is 1 meter long. How many centimeters is that? cm
Look at the ruler below. What is the length of the red line segment in centimeters?
Answer: cm
Remember: 1 kilogram (kg) = 1,000 grams (g)
1. 2 kilograms = grams
2. 4,000 grams = kilograms
3. 1 kg 500 g = g
4. If a bag of apples weighs 3 kg, how many grams is that? g
1. Which is longer?
50 cm
1 m
5 m
10 cm
2. Which weighs more?
200 g
1 kg
50 g
10 g
1. Sarah has a jump rope that is 3 meters long. Her friend John has a jump rope that is 275 centimeters long. Whose jump rope is longer? Show your work.
2. A recipe calls for 500 grams of flour. If you want to make a double batch, how many kilograms of flour do you need? Show your work.