週期表 單位換算
Length
1 micro meter (
μ m) = 1E-03 millimeter (mm)= 1E-04 centimeter (cm)
= 1E-06 meter (m)
1 decimeter ( dm) = 0.1 m
1 dekameter ( dkm) = 10 meters
1 A (angstrom) = 1E-10 meter
1 fermi =1E-15 meter
1 inch ( in) = 1/12 feet (ft) = 1/36 yard (yd) = 0.0254 m
1 feet(ft) = 12 inch = 0.3048 m = 1 foot
1 yard = 3 ft = 0.9144 m
1 mile statute ( mi ) = 5280 ft = 1609.344 meter
1 mile nautical = 6080 ft = 1853.184 meter
1 mil = 0.001 inch = 2.54E-05 m
1 rod (rd) = 5 1/2 yards
1 furlong (fur.) = 220 yards =1/8 mile
1 fathom (fath) = 6 feet = 1.8288 meter
Mass
1 kilogram (kg) = 1000 grams (g)
1 t (tonne, metric ton) = 1000 kgs = 1 mt
1 lb (pound, avoirdupois) = 0.45359237 kg
1 short ton ( shtn ) = 2000 lb
= 0.90718474 metric ton (mt)
= 907.18474 kgs
1 long ton ( ltn ) = 2240 lbs = 1.01605 mt
1 oz ( ounce avoirdupois ) = 28.3495 gram
1 troy ounce ( tr. oz.) = 31.1034768 gram
1 gr ( grain ) = 0.06479891 gram
Force
1 newton ( N ) = 1 kg*m/s**2
1 dyne ( dyn ) = 1E-05 N
1 killogram-force (kgf) = 9.80665 N
1 gram-force ( gf ) = 9.80665E-03 N
1 pound-force (lbf) = 4.448221677 N
1 kip = 1000 lbf = 4.448221677E+03 N
Energy
1 J ( joule ) = 1 N*m = 1 kg*m**2/s**2
1 eV ( electronvolt ) = 1.60217733E-19 J
1 cal ( calorie, thermal ) = 4.184 J = 1 calIT ( calorie, international )
1 Btu ( British thermal unit ) = 1055.06 J
1 Whr ( watt-hour, absolute ) = 3600 J
1 hp*hr =2.68452E+06 J
Volume
1 L ( liter) = 1E-03 m**3 = 1000 cm**3 = 1000 ml
1 UK fluid ounce (fl. Oz.) = 1/20 UK pint = 28.413063 ml
1 UK pint = 1/8 UK gallon ( gal.) = 0.56826125 L
1 UK gal. = 4.54609 L
1 UK quart = 1.1365225 L
1 US fl. Oz. =1/16 US pint = 29.573516 ml
1 US pint = 1/8 US gal. = 4.731765E-04 m**3 = 0.4731765 L
1 US gal. = 3.785411 L
1 US quart = 0.946353 L
1 Baerrel = 42 US gal. = 158.987 L
Power
1 hp ( horse power, imperial ) = 745.7 W ( Watt )
1 W = 1 J/s
1 W = 1 kg*m*2/s**3
Magnetic flux
1 weber (Wb) = 1 kg*m**2/A*s**2
1 maxwell (Mx) = 1E-08 Wb
Magnetic flax density
1 tesla (T) = Wb/m**2 = 1 kg/A*s**2
1 gauss (G) = 1E-04 T
1 Mx/cm**2 = 1E-04 T
Magnetic field strength
1 oersted (Oe) = 79.577472 A/m