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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

mm

0.00155 sq, inches

1 square centimetre

cm

100 mm

0.1550 sq. inches

1 square metre

m

10,000 cm

10.764 sq. ft.

1.1960 sq. yards

1 are

a

100 m

119.60 sq. yards

1 hectare

ha

100 acres

2.4711 acres

1 square kilometre

km

100 hectares

0.3861 sq. miles

SURFACE AREA - IMPERIAL

UNIT

ABBREVIATION

IMPERIAL EQUIVALENT

METRIC EQUIVALENT

1 square inch

Sq. in

645.2 mm/6.4516 cm

1 square foot

Sq. ft

144 sq. inches

9290.30 cm/ 0.0929 m

1 square yard

Sq. yd

9 sq. ft.

0.8361 m

1 acre

4840 sq. yds.

4046.9 m

1 square mile

Sq. mile

640 acres

259.0 hectares

Brick measurements and quantities (Imperial and Metric)

Construction material calculators

 

 

 

 

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