Conversion tables
Metric and Imperial measures
Imperial to Metric units
1 inch = 25.4 mm = 2.54 cm
1 foot = 304.8 mm = 0.3048 m
1 yard = 914.4 mm = 0.9144 m
1 mile = 1609 m = 1.609 km
1 square inch = 645.2 mm
2
= 6.452 cm
2
1 cubic inch = 16387 mm
3
= 0.016 39 dm
3
1 cubic yard = 0.764555 m
3
1 ton = 1016 kg = 1.016 tonne
0.1 inches water gauge = 0.25 mbar
1.0 inch water gauge = 2.5 mbar
1 atmosphere = 1.01325 bar
1 British thermal unit (Btu) = 1055 J
1 therm = 105.5 MJ
1000 Btu/h = 0.2931 kW = 1.055 MJ/h
MX8013 - Technical pocket guide DL v14_post proof.indd 62 30/08/2012 14:30