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Convert between mm, cm, m and km (decimals)

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Free printable convert between mm, cm, m and km (decimals) worksheets for 5th grade. Students work with decimal values when converting metric lengths, such as expressing 1,250 m as 1.25 km or 3.7 cm as 37 mm. This integrates decimal multiplication and division directly into measurement conversion practice. Part of our measurement worksheets collection.

What You'll Learn

  • Convert metric lengths using decimal values precisely
  • Apply decimal multiplication in metric unit conversions
  • Solve metric conversion problems involving tenths and hundredths

FAQ

How does decimal place value connect to metric conversion?

Moving between metric units is equivalent to shifting the decimal point — converting 4.5 m to cm means multiplying by 100, which moves the decimal two places right to give 450 cm.

What types of answers should students expect when converting with decimals?

Results may be decimals (e.g., 750 m = 0.75 km) or whole numbers, so students must judge whether to multiply or divide and place the decimal correctly in the result.

Why is this a harder version of metric conversion worth separate practice?

Decimal metric conversions are common in science and engineering contexts, and working with them separately builds the extra care with place value that students need before applying conversions in multi-step problems.

Grade
5th Grade
Ages
Ages 10-11
Subject
Math
Format
Printable PDF

Ratings & Reviews

3

David L.

2nd Grade Teacher · Verified download

May 2026

Looking forward to this! All the other ClassWeekly worksheets are excellent so I know this will be too.

Helpful · 8

Jamie T.

1st Grade Teacher · Verified download

Apr 2026

Thanks for creating this! I'll be using it the moment it's available.

Helpful · 4

Emily W.

Homeschool parent · Verified download

May 2026

Excited for this one! I've been hunting for a good printable on this topic for weeks.

Helpful · 9

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