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Convert units of weight

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Free printable convert units of weight worksheets for 5th grade. Students practice conversions across both the customary weight system (ounces, pounds, tons) and the metric weight system (grams, kilograms), applying multiplication and division with appropriate conversion factors. Aligned with 5th grade measurement and data standards. Part of our measurement worksheets collection.

What You'll Learn

  • Convert between standard units of weight accurately
  • Apply conversion factors to solve weight problems
  • Solve weight conversion problems in both directions

FAQ

What key conversion facts should 5th graders know for weight?

For customary: 16 oz = 1 lb, 2,000 lb = 1 ton. For metric: 1,000 g = 1 kg, 1,000 kg = 1 metric ton. These four relationships cover the vast majority of 5th grade weight conversion problems.

What is the most common student error in weight conversion?

Students often multiply when they should divide (or vice versa) — a quick check is to ask: 'Am I converting to a smaller or larger unit?' Larger unit = divide, smaller unit = multiply.

How do weight conversions appear in word problems?

Word problems commonly involve recipes (ounces to pounds), shipping (pounds to tons), and science lab data (grams to kilograms), giving weight conversion immediate real-world relevance.

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

Ratings & Reviews

3

Priya N.

Kindergarten Teacher · Verified download

Apr 2026

This is going straight into my lesson plans the second it drops. Please prioritize this one!

Helpful · 13

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

Rachel H.

Homeschool parent · Verified download

Apr 2026

We've been waiting for this topic. Signed up just to get notified when it's ready.

Helpful · 6

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