Length Conversion Worksheet
Convert between different units of length (inches, feet, yards, centimeters, meters) with this Grade 3 math worksheet.
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Length Conversion Practice
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Read each question carefully and convert the given lengths to the specified units. Remember: 1 foot = 12 inches, 1 yard = 3 feet, 1 meter = 100 centimeters.
1. 3 feet = inches
2. 2 yards = feet
3. 100 centimeters = meter
4. 24 inches = feet
5. 9 feet = yards
6. Which is longer, 1 foot or 10 inches?
1 foot
10 inches
They are the same
Cannot tell
7. How many inches are in 1 yard?
12 inches
36 inches
3 inches
100 inches
8. A ribbon is 5 feet long. How many inches long is the ribbon?
9. Your friend says a jump rope is 200 centimeters long. Is it longer or shorter than 1 meter? Explain your answer.
10. 6 feet is equal to 2 yards.
True
False
11. A 5-meter long snake is shorter than a 400-centimeter long snake.
True
False
12. Look at the ruler below. Draw a line that is 3 inches long.

13. What is the length of the object shown below, in centimeters?
