Conversions in length SACHS
Convert to metres:
× 10
÷ 10
1000 cm
× 100
÷ 100

Convert to metres: 3 km

× 1000
÷ 1000
× 100
÷ 100
Convert to centimetres: 100 mm
× 10
÷ 10
× 100
÷ 100

Convert to millimetres: 60 cm 

× 10
÷ 10
× 100
÷ 100

Convert to metres: 1500 cm

× 10
÷ 10
× 100
÷ 100

Convert to millimetres: 10 m

× 10
÷ 10
× 1000
÷ 1000

Convert to kilometres: 8000 m

× 1000
÷ 1000
× 100
÷ 100

Convert to centimetres: 900 mm

× 10
÷ 10
× 100
÷ 100

Convert to millimetres: 2.4 cm

× 10
÷ 10
× 100
÷ 100

Convert to metres: 3.75 km

× 1000
÷ 1000
× 100
÷ 100

Convert to centimetres: 1.9 m

× 10
÷ 10
× 100
÷ 100

Convert to millimetres: 1.36 m

× 10
÷ 10
× 1000
÷ 1000

Express in metres:


500 cm + 3 m =

m

Express in millimetres:


4 cm + 200 mm =

mm

Express in metres:


7 km + 3100 m =

m

Express in metres:


6.15 km + 400 m =

m

Express in kilometres:


12 km + 6000 m =

km

Express in centimetres:


4.5 m + 30 cm

cm
Which is greater?
2 km
1500 m
Which is greater?

4000 cm

3 m

Which is greater?

21 cm

900 mm

Which is greater?

30 cm

3000 mm

Which is the longest?
60 m

6 km

60 000 cm
Which is the shortest?
3 m

20 000 mm

1000 cm
Which is the shortest?
2 km

200 m

2000 cm
Which is the longest?
3000 m

2 km

10 000 cm
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