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Conversions of metric to imperial measurements, length and surface area, for use in DIY etc

MEASUREMENTS AND CONVERSIONS METRIC AND IMPERIAL

We often need to convert measurements from metric to Imperial or vice versa whether carrying out DIY or buying carpets etc., here are some useful tables to help.

The tables cover conversions for length and surface area.

Formulae and other measurement conversions

 

LENGTH – METRIC

 

UNIT

 

 

ABBREVIATION

 

 

METRIC EQUIVALENT

 

IMPERIAL EQUIVALENT

 

1 millimetre

mm

0.0394 inches

1 centimetre

cm

10 mm

0.3937 inches

1 metre

m

100 cm

1000 mm

3.281 feet

1.0936 yards

1 kilometre

km

1000 m

0.6214 miles

 

LENGTH – IMPERIAL

 

UNIT

 

 

ABBREVIATION

 

IMPERIAL EQUIVALENT

 

 

METRIC EQUIVALENT

 

1 inch

in.

25.4 mm/2.54 cm

1 foot

ft.

12 ins.

30.48 cm / 0.3048 m

1 yard

yd.

3 ft./ 36 ins.

91.44 cm/ 0.9144 m

1 rod

5.5 yards

5.0292 m

1 chain

22 yards

20.117 m

1 furlong

220 yards

201.17 m

1 mile

1760 yards

1679.3 m/ 1.6093 km

 

SURFACE AREA – METRIC

 

UNIT

 

 

ABBREVIATION

 

 

METRIC EQUIVALENT

 

IMPERIAL EQUIVALENT

 

1 square millimetre

mm²

0.00155 sq, inches

1 square centimetre

cm²

100 mm²

0.1550 sq. inches

1 square metre

m²

10,000 cm²

10.764 sq. ft.

1.1960 sq. yards

1 are

a

100 m²

119.60 sq. yards

1 hectare

ha

100 acres

2.4711 acres

1 square kilometre

km²

100 hectares

0.3861 sq. miles

 

SURFACE AREA – IMPERIAL

UNIT

 

ABBREVIATION

 

IMPERIAL EQUIVALENT

 

METRIC EQUIVALENT

 

1 square inch

Sq. in

645.2 mm²/6.4516
cm²

1 square foot

Sq. ft

144 sq. inches

9290.30 cm²/
0.0929 m²

1 square yard

Sq. yd

9 sq. ft.

0.8361 m²

1 acre

4840 sq. yds.

4046.9 m²

1 square mile

Sq. mile

640 acres

259.0 hectares

 

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