Joule per kilogram kelvin (J/(kg·K))
SI unit of specific heat capacity: the energy that warms one kilogram by one kelvin.
What is a joule per kilogram kelvin?
- Symbol
- J/(kg·K)
- Quantity
- Specific Heat Capacity
- Unit system
- SI
- Definition
- SI unit of specific heat capacity: the energy that warms one kilogram by one kelvin.
- Exact
- Yes, the value is exact by definition
- Source
- SI Brochure, 9th edition (BIPM, 2019)
Common applications
The SI unit of specific heat, used in physics, material data and thermodynamics tables.
Joule per kilogram kelvin in other specific heat capacity units
- 1 J/(kg·K) = 0.001 kJ/(kg·K)Kilojoule per kilogram kelvin
- 1 J/(kg·K) ≈ 0.0002388458966 BTU/(lb·°F)BTU per pound degree Fahrenheit
- 1 J/(kg·K) ≈ 0.0002388458966 cal/(g·°C)Calorie (IT) per gram degree Celsius
Joule per kilogram kelvin quick reference
| Joule per kilogram kelvin | Kilojoule per kilogram kelvin | BTU per pound degree Fahrenheit | Calorie (IT) per gram degree Celsius |
|---|---|---|---|
| 1 J/(kg·K) | = 0.001 kJ/(kg·K) | ≈ 0.0002388458966 BTU/(lb·°F) | ≈ 0.0002388458966 cal/(g·°C) |
| 10 J/(kg·K) | = 0.01 kJ/(kg·K) | ≈ 0.002388458966 BTU/(lb·°F) | ≈ 0.002388458966 cal/(g·°C) |
| 100 J/(kg·K) | = 0.1 kJ/(kg·K) | ≈ 0.02388458966 BTU/(lb·°F) | ≈ 0.02388458966 cal/(g·°C) |
| 1000 J/(kg·K) | = 1 kJ/(kg·K) | ≈ 0.2388458966 BTU/(lb·°F) | ≈ 0.2388458966 cal/(g·°C) |
Where the joule per kilogram kelvin fits
The next larger specific heat capacity unit is the kilojoule per kilogram kelvin (kJ/(kg·K)). 1 J/(kg·K) = 0.001 kJ/(kg·K), and 1 kJ/(kg·K) = 1000 J/(kg·K).
Frequently asked questions
- How many kilojoules per kilogram kelvin are in one joule per kilogram kelvin?
- One joule per kilogram kelvin = 0.001 kJ/(kg·K) (kilojoules per kilogram kelvin).
- How many BTUs per pound degree Fahrenheit are in one joule per kilogram kelvin?
- One joule per kilogram kelvin ≈ 0.0002388458966 BTU/(lb·°F) (BTUs per pound degree Fahrenheit).
- How many calories (IT) per gram degree Celsius are in one joule per kilogram kelvin?
- One joule per kilogram kelvin ≈ 0.0002388458966 cal/(g·°C) (calories (IT) per gram degree Celsius).