Need-to-know

Conversion table

SPEED
1 m/s = 3,6 km/h	1 km/h = 0,278 m/s	1 ft/mm = 0,00508 m/s	1 m/s = 196,55 ft/mm
LENGTH
1 mile = 1,609 km	1 km = 0,621 mile	1 yd = 0,913 m	1 m = 1,09yd
1 ft = 0,305 m	1m = 3,28 ft	1 in = 25,4 mm	1 mm = 0,039 in
1mm = 1,000 µm	1 µm = 0,001 mm	1 µm = 1,000 nm	1 nm = 0,001 µm
1 µm = 10,000 ???	1 ??? = 0,0001 µm
SURFACE
1 ft² = 0,0929m²	1 m² = 10,6 ft²	1 in² = 6,45 cm²	1 cm² = 0155in²
VOLUME
1 ft² = 0,0283m²	1 m³ = 35,3 ft³	1 ft³ = 28,3 liter
AIR FLOW
1 cfm = 0,472,10-3m³/s		1 m³/s = 3 600 m²/h	1 m³/h = 0,278,10-3 m³/h
1 cfm = 1,699m²/h
MASS
1 lb = 0,454 kg	1 kg = 2,20 lb	1 oz = 28,3 g	1 g = 0,0352 oz
FORCE
1 kgf = 9,80655 N	1 N = 0,102 kgf	1 lbraf = 4,45 N	1 N = 0,255 lbf
PRESSURE
1 mmCE = 9,81 Pa	1 Pa = 0,102 kgf	1 kPa = pz	1 kPa = 10,2 g/cm²
1 kg/cm² = 0,980665 bar	1 bar = 1,02 kg/cm²	1 kg/m² = 09,0665 kPa	1 kPa = 0,00957 atm
1 psi = 6,89 kPa	1 bar = 101325 Pa	1 atm = 101,325 kPa	1 mb = 100 Pa
1 mmCE = 1kg/m² = 1 kg/m²	1 kPa = 0,145 psi	1 Pa = 1 N/m²	1 in w, g, = 254 Pa
ENERGY
1 kgm = 9,80665 J	1 J = 0,102 kgm	1 cal = 4,184 J	1 J = 0,239 cal
1 kWh = 3,6 MJ	1 MJ = 0,278 kWh	1 Btu = 1,055 KJ	1 J = 0,945,10-3 Btu
POWER
1 CV = 0,736	1 kW = 1,36 CV	1 kcal/h = 1,16W	1 W = 0,860 kcal/h
1 Btu/h = 0,292 W	1 W = 3,42 Btu/h
TEMPERATUR: CALCULATION FORMULA
0 °C = 32 °F	0 °F = - 17,8 °C
°F = (9/5) x °C + 32	°C = (5/9) x °F - 17,8