Convert Joules per Gram Kelvin to Joules per Kilogram Kelvin
1 joule per gram kelvin (J/(g·K)) = 1000 joules per kilogram kelvin (J/(kg·K)). 1 J/(kg·K) = 0.001 J/(g·K). Example: 15 J/(g·K) = 15 × 1000 = 15000 J/(kg·K).
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1 J/(g·K) = 1000 J/(kg·K)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk joule per gram kelvin to joule per kilogram kelvin converter to paste a column from Excel.
How to Convert Joule per Gram Kelvin to Joule per Kilogram Kelvin
- 1 J/(g·K) = 1000 J/(kg·K)
- 1 J/(kg·K) = 0.001 J/(g·K)
- Example: convert 15 J/(g·K) to J/(kg·K): 15 J/(g·K) = 15 × 1000 J/(kg·K) = 15000 J/(kg·K)
Formula
J/(kg·K) = J/(g·K) × 1000
Derivation from SI units:
- 1 J/(g·K) = 1000 J/(kg·K) = 1 kJ/(kg·K).
- Heat per unit mass per kelvin: J/(kg·K) (a kelvin step equals a degree Celsius step).
Both units are defined exactly, so the factor is exact. Joule per Gram Kelvin definition: joule per gram kelvin; Joule per Kilogram Kelvin definition: joule per kilogram kelvin.
Worked examples
- A reading of 0.45 J/(g·K) converts to 450 J/(kg·K).
0.45 J/(g·K) × 1000 = 450 J/(kg·K) - A value of 1.7 J/(g·K) is 1700 J/(kg·K).
1.7 J/(g·K) × 1000 = 1700 J/(kg·K)
Joule per Gram Kelvin to Joule per Kilogram Kelvin conversion table
| Joules per Gram Kelvin (J/(g·K)) | Joules per Kilogram Kelvin (J/(kg·K)) |
|---|---|
| 0.13 J/(g·K) | 130 J/(kg·K) |
| 0.24 J/(g·K) | 240 J/(kg·K) |
| 0.385 J/(g·K) | 385 J/(kg·K) |
| 0.45 J/(g·K) | 450 J/(kg·K) |
| 0.9 J/(g·K) | 900 J/(kg·K) |
| 1 J/(g·K) | 1000 J/(kg·K) |
| 1.7 J/(g·K) | 1700 J/(kg·K) |
| 2 J/(g·K) | 2000 J/(kg·K) |
| 2.4 J/(g·K) | 2400 J/(kg·K) |
| 4.18 J/(g·K) | 4180 J/(kg·K) |
Where it's used
Joules per Gram Kelvin are used for calorimetry in chemistry, while joules per kilogram kelvin appear in sensible heat Q = m c ΔT. Both measure specific heat capacity, so the conversion is a fixed factor.
Joule per Gram Kelvin to other specific heat capacity units
| Conversion | 1 J/(g·K) equals |
|---|---|
| joule per gram kelvin to joule per kilogram kelvin | 1000 J/(kg·K) |
| joule per gram kelvin to kilojoule per kilogram kelvin | 1 kJ/(kg·K) |
| joule per gram kelvin to calorie per gram degree Celsius | 0.2388458966 cal/(g·°C) |
| joule per gram kelvin to BTU per pound degree Fahrenheit | 0.2388458966 BTU/(lb·°F) |
| joule per gram kelvin to kilocalorie per kilogram degree Celsius | 0.2388458966 kcal/(kg·°C) |
Frequently asked questions
How many joules per kilogram kelvin are in 1 joule per gram kelvin?
1 J/(g·K) = 1000 J/(kg·K).
How do I convert joules per gram kelvin to joules per kilogram kelvin?
Multiply the value in J/(g·K) by 1000. For example, 15 J/(g·K) × 1000 = 15000 J/(kg·K).
Is the J/(g·K) to J/(kg·K) conversion exact?
Yes. Both units are defined exactly, and 1 J/(g·K) is exactly 1000 J/(kg·K).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (derived units with special names).
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Joules per Gram Kelvin to Joules per Kilogram Kelvin. Retrieved October 29, 2026, from https://scientificconverters.com/specific-heat/joules-per-gram-kelvin-to-joules-per-kilogram-kelvin/
IEEE
Scientific Converters, "Convert Joules per Gram Kelvin to Joules per Kilogram Kelvin," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/specific-heat/joules-per-gram-kelvin-to-joules-per-kilogram-kelvin/