# 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 cm1000 mm 3.281 feet1.0936 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 mmÃƒÂ‚Ã‚Â² 0.00155 sq, inches 1 square centimetre cmÃƒÂ‚Ã‚Â² 100 mmÃƒÂ‚Ã‚Â² 0.1550 sq. inches 1 square metre mÃƒÂ‚Ã‚Â² 10,000 cmÃƒÂ‚Ã‚Â² 10.764 sq. ft.1.1960 sq. yards 1 are a 100 mÃƒÂ‚Ã‚Â² 119.60 sq. yards 1 hectare ha 100 acres 2.4711 acres 1 square kilometre kmÃƒÂ‚Ã‚Â² 100 hectares 0.3861 sq. miles SURFACE AREA – IMPERIAL UNIT ABBREVIATION IMPERIAL EQUIVALENT METRIC EQUIVALENT 1 square inch Sq. in 645.2 mmÃƒÂ‚Ã‚Â²/6.4516 cmÃƒÂ‚Ã‚Â² 1 square foot Sq. ft 144 sq. inches 9290.30 cmÃƒÂ‚Ã‚Â²/ 0.0929 mÃƒÂ‚Ã‚Â² 1 square yard Sq. yd 9 sq. ft. 0.8361 mÃƒÂ‚Ã‚Â² 1 acre 4840 sq. yds. 4046.9 mÃƒÂ‚Ã‚Â² 1 square mile Sq. mile 640 acres 259.0 hectares

Brick measurements and quantities (Imperial and Metric)

Construction material calculators