acre acreage avoirdupois baker's dozen balance barometer baseline basin baud rate bearing becquerel black box boiling point bottle box calculator calibrate calibration cc centi- centimetre circumference cl clock cm cu cubic cubit cup cupful cwt daylight saving time deci- decibel decimalization deflection degree density depth dimension dipstick displacement doz. dozen elevation factor fathom fl oz fluid ounce foot ft g gage gal gallon gauge(n) gauge(v) GB Geiger counter gigabyte gill girth gm graduated graduation grain gram gramme grid gross handful hectare hertz high hundredweight impedance imperial inch indicator instrument joule karat kg kilo kilo- kilogram kilometre km knot l latitude lb league length light year liter litre low water mark max maximum mean measure(v) measure(n) measurement median medium megaton melting point mental age meter(n) meter(v) -meter metre -metre metric metrication metric ton mg MHz microsecond mile millennium milli- millibar milligram millilitre millimetre minus minute ml mpg mph nano- nanosecond nautical mile ounce overweight oz pace part pedometer pint plus point pound punnet qt quantify quart radioactive dating radius rain gauge read reading record reset rev rotation rpm rule ruler scale sea level sea mile seismograph sensor sextant snowfall soundings sq. subsonic sundial therm timberline tog ton tonnage tonne troy weight unit voltmeter volume watch watt wattage weighbridge weight width wt. yard yardage yardstick yd zero