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# 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

Brick measurements and quantities (Imperial and Metric)

Construction material calculators