Tabla Completa de Conversiones de Unidades para Ciencias e Ingeniería

Longitud

• 1 m = 3.2808 ft = 100 cm = 39.3701 in
• 1 cm = 10^-2 m = 0.393701 in = 0.032808 ft
• 1 mm = 10^-3 m
• 1 µm (1 micra) = 10^-6 m
• 1 Å (1 Angstrom) = 10^-10 m = 10^-8 cm
• 1 in = 2.54 cm = 0.0254 m
• 1 ft = 30.48 cm = 12 in = 0.3048 m
• 1 yd = 0.91459841 m
• 1 mi = 1.609 km = 1609.34 m = 5280 ft

Nota sobre Unidades de Longitud:

• in: inch (pulgada)
• ft: feet (pies)
• yd: yard (yarda)
• mi: mile (milla)

Masa

• 1 kg = 1000 g = 2.2046 lb
• 1 lb = 0.453593 kg = 453.593 g = 16 oz
• 1 ton métrica = 1000 kg = 2205 lb
• 1 ton corta = 2000 lb
• 1 ton larga = 2240 lb
• 1 oz = 28.35 g = 0.02835 kg
• g = 0.02835 kg
• 1 slug = 32.1739 lb

Volumen

• 1 m³ = 1000 L = 35.3147 ft³ = 264.17 gal = 61023.7 in³ = 10³ dm³ = 10⁶ cm³
• 1 in³ = 16.39 cm³
• 1 ft³ = 28.3168 L = 0.02831 m³ = 28316.8 cm³
• 1 gal = 4.546 L = 0.004546 m³ = 277.42 in³
• 1 L = 1000 cm³ = 1000 mL = 1 dm³
• 1 cm³ = 1 mL

Presión

• 1 Pa = 1 N/m²
• 1 bar = 10⁵ Pa = 100 kPa = 0.1 MPa = 0.986923 atm = 14.5038 psia = 1.0197 kgf/cm² = 750.062 mm Hg = 75.0062 cm Hg = 750.062 torr = 401.48 in H₂O = 108 barias
• 1 atm = 1.01325 bar = 101.325 kPa = 0.101325 MPa = 101325 Pa = 14.696 lbf/in² (psi) = 1.0332 kgf/cm² = 76 cm Hg = 760 mm Hg = 406.8 in H₂O = 33.9 ft H₂O = 1.05 x 10⁴ mm H₂O = 1.05 x 10³ cm H₂O = 1013250 dina/cm² = 760 torr = 29.9212 in Hg
• 1 mm Hg = 13.6 mm H₂O = 1.33 mbar = 133.322 Pa = 1 torr = 0.1 cm Hg = 0.03937 in Hg
• 1 lbf/in² (psi) = 68948 dina/cm² = 703.1 kgf/m² = 6894.8 Pa = 0.0680 atm = 2.036 in Hg = 0.0689 bar

Nota sobre Unidades de Presión:

• psi: (libras fuerza sobre pulgada cuadrada)
• psia: (libras fuerza sobre pulgada cuadrada absolutas)
• psig: (libras fuerza sobre pulgada cuadrada manométricas)
• torr: torricelli

Fuerza

• 1 N = 1 kg m/s²
• 1 dina = 1 g cm/s²
• 1 lbf = 32.174 lb ft/s² = 4.4482 N
• 1 kgf = 1000 gf = 9.807 kg m/s² = 9.807 N

Energía

• 1 J = 1 kg m²/s² = 1 N m = 1 Pa m³
• 1 erg = 1 g cm²/s² = 1 dina cm
• 1 J = 0.239 cal = 10⁷ erg = 1 N m = 9.48 x 10^-4 Btu = 9.87 x 10^-3 L atm = 2.778 x 10^-2 kWh
• 1 kJ = 1000 J = 10³ Pa m³ = 10⁴ bar cm³ = 239.01 cal = 0.94845 Btu = 737.562 lbf ft = 1.0197 x 10⁴ kgf cm = 9.86923 x 10³ atm cm³
• 1 Btu = 1055.04 J = 252 cal = 778.161 lbf ft = 10.412 L atm
• 1 cal = 4.184 J = 3.968 x 10^-3 Btu = 4.19 x 10⁷ erg = 4.13 x 10^-2 L atm = 3.086 lbf ft
• 1 L atm = 24.2 cal = 1.01 x 10⁹ erg = 101 J = 0.096 Btu = 74.735 lbf ft
• 0.082 L atm = 1.987 cal = 8.314 J

Nota sobre Unidades de Energía:

• Btu: British thermal unit (unidad térmica británica)

Potencia

• 1 W = 1 J/s = 1 N m/s = 1 kg m²/s³
• 1 W = 0.23901 cal/s = 0.8064 kcal/h = 0.7376 ft lbf/s = 9.486 x 10^-4 Btu/s = 3.4144 Btu/h = 1.341 x 10^-3 hp
• 1 kW = 1000 W

Nota sobre Unidades de Potencia:

• hp: horse power (caballo de fuerza)

Cantidad de Sustancia

• 1 mol = 1000 mmol = 10^-3 kgmol
• 1 kgmol (kmol) = 1000 mol = 10⁶ mmol = 2.02462 lbmol
• 1 lbmol = 453.59 mol = 453590 mmol