Specifications
4
1.5 Terms, units and abbreviations used
DECIMAL METRIC SYSTEM (SI) ENGLISH IMPERIAL SYSTEM (IMP)
NAME SYMBOL NAME SYMBOL
SURFACE
square meter m2 square foot ft2
ELECTRICITY
Ampere A
Volt V
FORCE
kiloNewton kN
Newton N
FORCE PER LENGTH
Newton/metres N/m pounds/inch lb/in
FORCE PER SURFACE - PRESSURE
kilopascal kPa pounds/square inch psi
ROTATION FREQUENCY
revolutions per minute rpm
LENGTH
kilometer km mile mi
meter m foot ft
centimeter cm inch in
millimeter mm inch in
MASS
kilogram kg pound lb
tonne t pound lb
POWER
kilowatt kW horse power HP
Watt W
TEMPERATURE
degrees Celsius °C degrees Fahrenheit °F
TORQUE
Newton-metres N m foot-pound lb ft
inch-pound lb in
SPEED
kilometers/hour km/h mile/h mph
metres/second m/s feet/second ft/s
VOLUME
cubic meter m3 cubic yard yd3
cubic inch in3
liter l UK gallon UK gal
TIME
hour h hour h
minute min minute min
second s second s










