1 kilometer (km)=0.62 1 mile (m)=3.28 1 foot (ft)= 1.094 yard (yd) 1 cm) = 0.33.
1 mile = 1.609 km 1 foot =0.3048 m 1 inch =2.54 cm.
1 nautical mile =1.852km (km) 1 yard (yd) = 0.9144m (m) 1 ft =12 inches (in).
1 yard (yd)=3 feet 1 mile) = 5,280 feet 1 nautical mile (nmile) =1.1516 mile.
quality
1 ton = 1000 kg =2205 lbs
1. 102 short ton (sh.ton)=0.934 long ton (long.ton) 1 kg)=2.205 lb) 1 short ton (sh.ton)=0.907 ton (t)
1 long ton = 1.0 16 ton (t) 1 lb) =0.454 kg1oz)=28.350 g (g).
density
1 kg/m3 (kg/m3) = 0.00 1 g/cm3 (g/cm3) = 0.0624 lb/m3 (lb/m3) 1 lb/m3 (lb/m3) =/kloc-
1 lb/gallon = 119.826kg/m3 (kg/m3)1lb/gallon = 99.776kg/m3 (kg/m3) 65438+.
Specific density at 1 Baume =140/15.5℃-130 API =141.515438 0.5℃.
pressure
1 MPa = 145 2 (psi.
= 1 0.2kg/cm2 =10bar) =9.8 atm1lb/inch2 = 0.006895 MPa.
=0.0703 kg/cm2 (kg/cm2)
0.0689 bar) =0.068 atmospheric pressure (m) 1 bar = 0. 1 MPa = 14.503 psi = 1.0 197 kg/.
=0.987 m (meter)
1 atmospheric pressure (m) = 0.101325mpa = 14.696 2 (lb/sq. in.
= 1.0333 kg/cm2 (kg/cm2)
= 1.0 133 bar
zone
1 km2 = 100 ha = 247. 1。
Acre) =0.386 square mile (mile 2) 1 square meter (square meter) = 10.764 square foot (square foot) 1 acre (acre) = 100 square meter (square meter).
1 ha = 10000 square meters (m2)=2.47 1 acre (acre) 1 square mile (mile2)=2.590 square kilometers (km2) 1 acre (acre) = 0.
10-3 km2)=4047 m2。
1 square foot (ft2)=0.093 square meter (m2) 1 square inch (in2)=6.452 square centimeter (cm2) 1 square yard (yd2)=0.836 1 square meter (m2).
roll
1 m3 = 1000 liter (liter)
=35.3 15 cubic feet (ft3)=6.290 barrels (bbl) 1 cubic feet (ft3)=0.0283 cubic meters (m3)=28.3 17 liters (l) 1 0,000 cubic meters.
1 million cubic feet (mmcf) = 2.8317000m3 (m3) = 28317000m3 (m3) 100000 cubic feet (TCF) = 283.6438+000.
1 cubic inch (in3) = 1 cubic centimeter (cm3) 1 acre foot = 1234 cubic meters (m3) 1 barrel (bbl)=0. 159 cubic meters (m3
1 American gallon (gal)=3.785 liters (l) 1 American quart (qt)=0.946 liters (l) 1 American pint (pt)=0.473 liters (l)
1 gallon (Ji) =0. 1 18 liter (liter) 1 gallon (gallon) =4.546 liter (liter).
kinematic viscosity
1ft 2/s = 9.29030 * 10-2。
M2/s1s (ST) =10-4m2/s (m2/s) 1 cm (est) =10-6m2/s (m2/s) = 60.
Dynamic viscosity
1 berth (P)=0. 1 pasec (pa s)1centipoise (cP)= 10-3 pasec (pa s)1kgfsec/m2 = 9.80500.
1 lb/sq ft (1 lb/sq ft)
47.8803 Pa sec (Pa sec)
force
1 Newton (N)=0.225 lbf (1bf)=0. 102 kgf = 1 kgf = 9.8 1 Newton (N) 1 lbf (60.
1 dyne = 10-5 Newton
temperature
K (Kelvin) = 5/9 (℉+459.67) K =℃+273.15n ℉ = [(n-32) * 5/9]℃.
N℃ (Celsius) = (5/9N+32)1℉ (Fahrenheit) =5/9℃ (temperature difference)
heat transfer coefficient
1 kcal (m 2 hours℃) [kcal/
(m2 h℃)] =1.6279w/(m2 kelvin) [w (m2 k)]1British thermal units /(2 feet. h ℉)
[btu/(ft2h)] = 5.67826w/(m2 Kelvin) [w (m2 k)]1m2 h℃/kcal (m2 h℃/kcal)
= 0.86000 m2 Kelvin/watt (m2 kW)
1 kcal (2 hours per meter) (2 hours per meter)
=1.16279W/m2 (Watt/m2)
conductivity for heat
1 kcal (meter 2h℃)[ kcal/(meter 2h℃)] =1.16279W/(meter k) [w (meter k)] 1 British thermal unit/(foot 2.
= 1.7303W/ (Mikael) [w (Mikael)]
Specific volume heat
1 kcal/(kg℃) [kcal/(kg ℃)] = 1 British thermal unit/(lb) [btu/(lb)] = 4186.8 joules/(kg kelvin) [j/ (.
Thermal work
1 joule = 0.10204km = 2.778 *10-7kwh =3.777* 10-7 metric horsepower hour =3.723* 10-7 British horsepower hour. =4. 1868 joules (J) 1 British thermal unit (Btu)= 1055.06 joules (j)
1kg/m = 9.80665 joules (j)1lbf (ft1Bt) =1.35582 joules (J) 1m horsepower hour (HP h) = 2.
1 British horsepower hour (UKHp h)
=2.68452* 106 joules (J) 1 kwh (kw h) = 3.6 *106 joules (J) 1 kcal =4 186.75 joules (j).
force
1 kg force m/s
=9.80665 watts (watts) 1 meter horsepower (horsepower) =735.499 watts (watts) 1 card per second (cards per second) =4. 1868 watts (watts)
1 btu/hour = 0.29 1 watt
speed
1 ft/sec = 0.3048m/sec 1 mph = 0.44704m/sec.