FreeMath
Grade 4medium

Metric Length Conversions Practice

Convert between metric length units: kilometers, meters, centimeters, and millimeters. Metric conversions use powers of 10.

Loading...

All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.1 meter = ? centimeters
  2. 2.1 kilometer = ? meters
  3. 3.1 centimeter = ? millimeters
  4. 4.500 cm = ? meters
  5. 5.3 km = ? meters
  6. 6.2000 mm = ? cm
  7. 7.250 cm = ? meters
  8. 8.4.5 km = ? meters
  9. 9.30 mm = ? cm
  10. 10.1.5 m = ? cm
  11. 11.7500 m = ? km
  12. 12.45 cm = ? mm
  13. 13.0.5 km = ? meters
  14. 14.350 cm = ? m
  15. 15.6 m = ? cm
  16. 16.2.5 cm = ? mm
  17. 17.1200 m = ? km
  18. 18.80 mm = ? cm
  19. 19.0.75 m = ? cm
  20. 20.5.5 km = ? m
Show answer key
  1. 1.1 meter = ? centimeters Answer: 100
  2. 2.1 kilometer = ? meters Answer: 1000
  3. 3.1 centimeter = ? millimeters Answer: 10
  4. 4.500 cm = ? meters Answer: 5
  5. 5.3 km = ? meters Answer: 3000
  6. 6.2000 mm = ? cm Answer: 200
  7. 7.250 cm = ? meters Answer: 2.5
  8. 8.4.5 km = ? meters Answer: 4500
  9. 9.30 mm = ? cm Answer: 3
  10. 10.1.5 m = ? cm Answer: 150
  11. 11.7500 m = ? km Answer: 7.5
  12. 12.45 cm = ? mm Answer: 450
  13. 13.0.5 km = ? meters Answer: 500
  14. 14.350 cm = ? m Answer: 3.5
  15. 15.6 m = ? cm Answer: 600
  16. 16.2.5 cm = ? mm Answer: 25
  17. 17.1200 m = ? km Answer: 1.2
  18. 18.80 mm = ? cm Answer: 8
  19. 19.0.75 m = ? cm Answer: 75
  20. 20.5.5 km = ? m Answer: 5500

About This Practice

These 20 problems build fluency with the metric system for science and everyday measurements.

Want more practice? See all Grade 4 practice →