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**Horsepower (550ft-Lbf/s)-Hour**

**Horsepower (550ft-Lbf/s)-Hour (Hp-h)**is a unit in the category of

*Energy*. It is also known as horsepower-hour, horsepower hour. This unit is commonly used in the US unit system. Horsepower (550ft-Lbf/s)-Hour (Hp-h) has a dimension of ML

^{2}T

^{-2}where M is mass, L is length, and T is time. It can be converted to the corresponding standard SI unit J by multiplying its value by a factor of 2684519.5374.

Other units in the category of Energy include A.u. of Energy (*E _{h}*), Barrel Oil Equivalent (bboe), Bboe (barrel Oil Equivalent) (bboe), BeV (billion EV) (BeV), British Thermal Unit (ISO) (Btu (ISO)), British Thermal Unit (IT) (Btu (IT)), British Thermal Unit (mean) (Btu (mean)), British Thermal Unit (thermochemical) (Btu (therm.)), Calorie (15°C) (cal

_{15}), Calorie (4°C) (cal

_{4}), Calorie (diet Kilocalorie) (Cal, kcal), Calorie (IT) (International Steam Table) (cal (IT)), Calorie (mean) (cal

_{mean}), Calorie (thermochemical) (cal (therm.)), Celsius-Heat Unit (Chu), Coulomb Volt (C-V), Cubic Centimeter-Atm (cm

^{3}-atm), Cubic Foot Atm (ft

^{3}-atm), Electronvolt (eV), Erg (erg), Foot-Pound Force (ft-lbf), Foot-Poundal (ft-pdl), Gigaelectronvolt (GeV), Gram Calorie (gram-cal), Hartree (

*E*), Inch Pound Force (in-lbf), Joule (J), Kilocalorie (15°C) (kcal

_{h}_{15}), Kilocalorie (4°C) (kcal

_{4}), Kiloelectronvolt (keV), Kilojoule (kJ), Kiloton TNT Equivalent (kt (TNT)), Kilowatt-Hour (kWh), Megaelectronvolt (MeV), Megajoule (MJ), Megaton TNT Equivalent (Mt (TNT)), Newton Meter (N-m), Q Unit, Quad (quad), Quadrillion (quad), Rydberg (Ry), Tce (tonne Coal Equivalent) (tce), Therm (EEG), Therm (US), Thermie (15°C) (th

_{15 °C}), Toe (tonne Oil Equivalent) (toe), Ton TNT Equivalent (ton (TNT)), Tonne Coal Equivalent (tce), Tonne Oil Equivalent (toe), and Watt Hour (Wh).

**Additional Information**

**Related Glossary Pages**

Glossary: Units: Area Moment of Inertia: Bisquare Inch

Glossary: Units: Energy: Kiloelectronvolt

Glossary: Units: Area: Are

Glossary: Units: Mass: Slug (geepound)

Glossary: Units: Time: Jordan'S Elementary Time

Glossary: Units: Thermal Expansion Coefficient: Per Fahrenheit Degree

Glossary: Units: Electric Field Strength: A.u. of Electric Field Strength

Glossary: Units: Volume: Cubic Yottameter

Glossary: Units: Mass: Microgram

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