Converting metric units

The Maths Habit

Ali takes big steps. Ben takes small steps. They walk across the same hall. Who takes more steps?

the hallAliBenBen. His steps are smaller, so he needs more of them.

Work these out.

6 × 1060
4 × 100400
3 × 10003000

Convert
Change a measurement into a different unit.
1 m100 cm
Mass
How heavy something is.
kg
Capacity
How much a container holds.
ml

Length

cm1mm10
m1cm100
km1m1000

Mass

kg1g1000

Capacity

litres1ml1000

kilo means 1000.

To a smaller unit

1big unit12×questionsmall unitfact3×answer
  1. 1Write the fact.1 big unit is how many small units?
  2. 2Find the jump.Use the row with both numbers.
  3. 3Do the same jump.Do it to the other row. This is the answer.

Convert 4 m to centimetres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m12×44cm1003×4400
Answer 400 cm

Convert 3 kg to grams.

1Write the fact.
2Find the jump.
3Do the same jump.
1kg12×33g10003×33000
Answer 3000 g

Convert 4 m to centimetres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m12×44cm1003×4400
Answer 400 cm
1Write the fact.
2Find the jump.
3Do the same jump.
1big unit12×questionsmall unitfact3×answer

Convert 5 litres to millilitres.

1Write the fact.
2Find the jump.
3Do the same jump.
1litres12×55ml10003×55000
Answer 5000 ml

Convert 4 m to centimetres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m12×44cm1003×4400
Answer 400 cm
1Write the fact.
2Find the jump.
3Do the same jump.
1big unit12×questionsmall unitfact3×answer

Convert 2 cm to millimetres.

1Write the fact.
2Find the jump.
3Do the same jump.
1cm12×22mm103×220
Answer 20 mm

Convert 4 m to centimetres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m12×44cm1003×4400
Answer 400 cm
1Write the fact.
2Find the jump.
3Do the same jump.
1big unit12×questionsmall unitfact3×answer

A path is 2 km long. How long is it in metres?

1Write the fact.
2Find the jump.
3Do the same jump.
1km12×22m10003×22000
Answer 2000 m

1Write the fact.
2Find the jump.
3Do the same jump.
1big unit12×questionsmall unitfact3×answer

1Convert 8 m to centimetres.

1m12×88cm1003×8800
Answer 800 cm

2Convert 5 kg to grams.

1kg12×55g10003×55000
Answer 5000 g

3Convert 9 cm to millimetres.

1cm12×99mm103×990
Answer 90 mm

4Convert 6 litres to millilitres.

1litres12×66ml10003×66000
Answer 6000 ml

Find the jump.

100 × ? = 500× 5
1000 × ? = 3000× 3
10 × ? = 70× 7

To a bigger unit

1big unit13×answersmall unitfact2×question
  1. 1Write the fact.1 big unit is how many small units?
  2. 2Find the jump.Use the row with both numbers.
  3. 3Do the same jump.Do it to the other row. This is the answer.

Convert 500 cm to metres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m13×55cm1002×5500
Answer 5 m

Convert 3000 g to kilograms.

1Write the fact.
2Find the jump.
3Do the same jump.
1kg13×33g10002×33000
Answer 3 kg

Convert 500 cm to metres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m13×55cm1002×5500
Answer 5 m
1Write the fact.
2Find the jump.
3Do the same jump.
1big unit13×answersmall unitfact2×question

Convert 40 mm to centimetres.

1Write the fact.
2Find the jump.
3Do the same jump.
1cm13×44mm102×440
Answer 4 cm

Convert 500 cm to metres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m13×55cm1002×5500
Answer 5 m
1Write the fact.
2Find the jump.
3Do the same jump.
1big unit13×answersmall unitfact2×question

Convert 2000 ml to litres.

1Write the fact.
2Find the jump.
3Do the same jump.
1litres13×22ml10002×22000
Answer 2 litres

Convert 500 cm to metres.

1Write the fact.
2Find the jump.
3Do the same jump.
1m13×55cm1002×5500
Answer 5 m
1Write the fact.
2Find the jump.
3Do the same jump.
1big unit13×answersmall unitfact2×question

A road is 6000 m long. How long is it in kilometres?

1Write the fact.
2Find the jump.
3Do the same jump.
1km13×66m10002×66000
Answer 6 km

Converting metric units worksheet, page 1

Converting metric units worksheet, page 2

Answer sheet

Is it right?
Thumbs up: right. Thumbs down: wrong.

  1. 3 m = 300 cm

    Right

  2. 5 kg = 500 g

    Wrong: 5000 g

  3. 60 mm = 6 cm

    Right

  4. 2000 ml = 20 litres

    Wrong: 2 litres

  5. 4 km = 4000 m

    Right

  1. Convert 2.5 kg to grams.

    2500 g

  2. A bottle holds 1 litre. How many 250 ml glasses can it fill?

    4

  3. Put these in order, shortest first: 1 m, 90 cm, 1200 mm.

    90 cm, 1 m, 1200 mm

  1. Convert 5 cm to millimetres.

    50 mm
    1cm12×5mm103×

  2. Convert 5000 g to kilograms.

    5 kg
    1kg3×g2×

  3. Convert 9 km to metres.

    9000 m
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