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Unit conversion worksheet generator

Choose length, mass, volume, or area conversions in metric or US customary units. The questions use exact factors, so a wrong decimal place points to the conversion method rather than a rounding dispute.

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Name: ____________________Date: ____________________
1.9261 g = ____ kg
2.13 km = ____ m
3.4 km = ____ m
4.11 km = ____ m
5.2 km = ____ m
6.16 yd = ____ ft
7.8551 m = ____ km
8.16 in = ____ cm
9.6184 g = ____ kg
10.10 in = ____ cm
11.2625 g = ____ kg
12.8460 m = ____ km
13.5591 m = ____ km
14.3972 m = ____ km
15.9 ft = ____ in
16.14 in = ____ cm
17.16 km = ____ m
18.2 in = ____ cm
19.3 ft = ____ in
20.2597 m = ____ km
Answer key
1. 9.261 kg
2. 13000 m
3. 4000 m
4. 11000 m
5. 2000 m
6. 48 ft
7. 8.551 km
8. 40.64 cm
9. 6.184 kg
10. 25.4 cm
11. 2.625 kg
12. 8.46 km
13. 5.591 km
14. 3.972 km
15. 108 in
16. 35.56 cm
17. 16000 m
18. 5.08 cm
19. 36 in
20. 2.597 km
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What this worksheet practises

  • Recall the conversion factor connecting two units
  • Decide whether the numeric value grows or shrinks when the unit changes
  • Express answers with the requested target unit

What appears on the sheet

  • Easy converts between adjacent metric units (mm, cm, m, kg, g, L, mL) with whole-number operands.
  • Medium adds km↔m and exact customary pairs: 1 ft = 12 in, 1 yd = 3 ft, 1 in = 2.54 cm.
  • Hard includes m→mm, cm²↔m², ft²→in², and mi→ft using exact factors only.
  • Every answer is exact by construction — no rounding is ever required.

Make a sheet in three steps

Choose the level and question count, generate the sheet, then print or download it. Keep the seed if you want exactly the same questions again.

Algorithms

Choose a method for this problem type

CategoryMeasurement · unit conversion
Problem patternConverting from a larger metric unit to a smaller one
Worked example3.5 m = 350 cm

How to recognize it

  • The quantity stays the same while its unit changes.
  • A smaller target unit requires a larger numerical value.
3.5 m350 cm× 100÷ 100
A unit chain from metres to centimetres labelled multiply by 100, with a reverse divide-by-100 arrow.
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Visual model

Unit ratio

Best for: Understanding the direction and factor

Use the fixed relationship 1 m = 100 cm.

  1. Write 1 m = 100 cm.
  2. The target unit is smaller, so the number grows.
  3. 3.5 × 100 = 350 cm.

Trade-off: Makes units explicit and works broadly; the conversion relationship must be known.

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Mental strategy

Place-value shift

Best for: Powers-of-ten metric conversions

Multiplying by 100 moves every digit two place-value positions.

  1. Write 3.5 with place values visible.
  2. Multiply by 10 twice.
  3. Read 350 in centimetres.

Trade-off: Quick for metric powers of ten; “move the decimal” without place-value meaning causes direction errors.

Check the resultConvert back: 350 ÷ 100 = 3.5 m.

Standards

Grade and standards reference

These mappings are planning references, not certification of curriculum alignment.

Unit conversionGrades 3, 4, 5, 6CCSS 4.MD–5.MD
Time and clocksGrades 1, 2, 3, 4CCSS 1.MD.B–3.MD.A
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Teaching notes

  • Ask whether the target unit is bigger or smaller before choosing to multiply or divide.
  • Check the result by converting back to the original unit.
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Questions teachers and parents ask

How do you convert metric units?

Use the place-value factors: 1 m = 100 cm, 1 km = 1,000 m, 1 kg = 1,000 g, 1 L = 1,000 mL. Multiplying by the factor makes the number larger; the generated answers always come out exact.

What order do you convert units in for multi-step problems?

Convert one step at a time along the chain (for example mm → cm → m), writing the intermediate result before moving on. Hard-level questions such as m → mm practise exactly this.

How many square feet are in a square metre?

One square metre is about 10.7639 square feet. The international foot is defined exactly, so 1 ft² = 0.09290304 m². This generator currently uses other area pairs: ft² to in², and cm² to m² or back.

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Teach the idea, then practise it

Learning goals

  • Explain units as named quantities related by fixed factors.
  • Convert within one system using place-value and multiplication reasoning.
  • Judge the size of an answer against the units before accepting it.

Quick understanding checks

  • A result expressed in a smaller unit is a larger number than before conversion.
  • Reversing the conversion returns the original quantity.

Suggested teaching progression

  1. BenchmarkAnchor common lengths, masses, and volumes to real objects.
  2. ConvertMove between adjacent units, then across multiple steps with records of each step.
  3. ApplyUse conversions inside measurement situations such as materials and plans.

Common misconceptions and responses

The conversion factor is applied in the wrong direction.

Ask whether the target unit is larger or smaller; a smaller unit needs a larger number of them.

Converting between systems is treated like moving a decimal point.

Practise the exact defined pairs, such as 1 inch = 2.54 cm, instead of inventing factors.

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Curriculum and teaching references

These external sources provide curriculum context or evidence-informed teaching guidance. They do not endorse this generator, and local curriculum requirements should take priority.

Content reviewExplanations and examples reviewed 9 October 2026. Found a problem? Send a correction

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Focused worksheet sets

Unit conversion worksheetsCreate 20 printable metric and customary conversion questions, including square feet and square metres, with exact answers.Measurement word problems worksheetsGenerate 10 printable real-world measurement word problems — room areas, paint coverage, tiling, and costs — with exact answers.Elapsed time worksheetsPrint 20 elapsed-time questions using quarter hours, half hours, and whole hours.
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