Imperial

Metric

1 inch

2.54 centimetres

1 foot

0.305 metre

1 mile

1.609 kilometres

1 square inch

6.45 square centimetres

1 square foot

0.0929 square metre

1 cubic inch

16.38 cubic centimetres

1 cubic foot

0.0283 cubic metre

1 pound (lb.)

0.454 kilogram

1 ton

1016 kilograms

1 pint

0.568 litre

1 gallon

4.544 litres

1 deg Fahrenheit

0.556 deg Centigrade

1 pound per square inch

0.0703 kilogram per square centimetre

                                            Or

6.895 kilograms Newton per square metre

1 ton per square inch

157.5 kilograms per square centimetre

1 pound per square foot

4.883 kilograms per square metre

1 foot - pound (Ft.lb.)

0.138 kilogram - metre

1 horsepower (33000 Ft.lb.)

1.0139 metric horsepower (Force de Cheval)

1 British Thermal Unit

0.556 Centigrade Heat Unit

                                            Or

0.252 Kilogram - Calorie

1 pint per hour

0.568 litre per hour

1 gallon per hour

4.544 litres per hour

1 pound per hour

0.454 kilogram per hour

1 pint per BHP per hour

0.05602 litre per metric horsepower per hour

1 mile per hour

1.609 kilometres per hour

                                            Or

0.447 metre per second

1 foot per second (Ft/sec)

0.3048 metre per second

1 foot per minute (Ft/min)

0.508 centimetre per second

1 inch per second (In/sec)

2.54 centimetre per second

1 foot per second ^ 2

0.3048 metre per second ^ 2

1 cubic foot per second

0.0283 cubic metre per second

1 lbf foot

1.356 Newton metre

1 pdl foot

0.042 Newton metre

1 lbf inch

0.113 Newton metre

1 ozf inch

7.062 mN m