Kilojoule per Kilogram to Gram per Horsepower (Metric) Hour Conversion

Convert between Kilojoule per Kilogram and Gram per Horsepower (Metric) Hour quickly and accurately.

kJ/kg
g/hp·h

How to Convert Kilojoule per Kilogram to Gram per Horsepower (Metric) Hour

Conversion Formula

1 kJ/kg = 4E-7 g/hp·h
1 g/hp·h = 2647795.5 kJ/kg

Example

Convert 15 kJ/kg to g/hp·h:

15 kJ/kg = 15 × 4E-7 g/hp·h = 0 g/hp·h

Unit Information

Learn about the fuel efficiency - mass units you're converting between

Kilojoule per Kilogram

kJ/kg

Definition

The kilojoule per kilogram (kJ/kg) is a multiple of the SI unit of specific energy, equal to 1,000 joule per kilogram. It is commonly used for larger energy density values encountered in fuel analysis, combustion engineering, and energy storage applications, providing a more convenient scale for substantial energy densities.

History/Origin

As a metric multiple, the kilojoule per kilogram naturally arose with the widespread adoption of the SI system, providing a practical scale for expressing significant energy densities. Its use became prevalent in industries dealing with substantial energy storage and fuel analysis.

Current Use

Frequently applied in fuel efficiency calculations, energy storage system design, and combustion analysis where energy densities are considerable. It is essential for calculations involving high-energy materials and fuel efficiency assessments in automotive and aerospace industries.

Multiplier

1000

Offset

0

Gram per Horsepower (Metric) Hour

g/hp·h

Definition

The gram per horsepower (metric) hour (g/hp·h) is a unit of mass efficiency per unit energy, representing the mass required per unit energy in metric horsepower-hour terms. It is commonly used in European automotive and mechanical engineering for fuel efficiency calculations.

History/Origin

Derived from the metric horsepower and gram system, this unit was historically used in European automotive and mechanical engineering for fuel efficiency calculations. It became standard in metric system countries for engine performance analysis.

Current Use

Widely used in European automotive engineering, engine performance analysis, and fuel efficiency calculations. It is essential for engine design, fuel efficiency ratings, and performance optimization in metric system countries.

Multiplier

2647795500

Offset

0

Kilojoule per Kilogram to Gram per Horsepower (Metric) Hour Conversion Table

Kilojoule per Kilogram [kJ/kg] Gram per Horsepower (Metric) Hour [g/hp·h]
1 kJ/kg 4E-7 g/hp·h
10 kJ/kg 0.000004 g/hp·h
25 kJ/kg 0.000009 g/hp·h
50 kJ/kg 0.000019 g/hp·h
100 kJ/kg 0.000038 g/hp·h
0 kJ/kg 0E+0 g/hp·h
-10 kJ/kg -0.000004 g/hp·h
-40 kJ/kg -0.000015 g/hp·h