Convert Tons of Refrigeration to Kilocalories per Hour
1 ton of refrigeration (TR) equals 3023.949133 kilocalories per hour (kcal/h).
1 TR = 3023.949133 kcal/h
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk refrigeration ton to kilocalorie per hour converter to paste a column from Excel.
How to Convert Ton of Refrigeration to Kilocalorie per Hour
- 1 TR = 3023.949133 kcal/h
- 1 kcal/h = 0.0003306933933 TR
- Example: convert 15 TR to kcal/h: 15 TR = 15 × 3023.949133 kcal/h = 45359.237 kcal/h
Reference conditions. kcal/h: Uses the International Table kilocalorie (4186.8 J), the convention in heating and HVAC: 1 kcal/h = 1.163 W.
Formula
kcal/h = TR × 3023.949133333
Derivation from SI units:
- 1 TR = 12 000 BTU/h = 3516.8528420667 W
- 1 kcal_IT/h = 4186.8 J ÷ 3600 s = 1.163 W (exact)
- 1 TR = 3516.852842067 W ÷ 1.163 W per kcal/h = 3023.949133333 kcal/h
Both units are defined exactly, so the factor is exact. Ton of Refrigeration definition: ton of refrigeration; Kilocalorie per Hour definition: kilocalorie per hour.
Worked examples
- A reading of 2.5 TR converts to 7559.872833 kcal/h.
2.5 TR × 3023.949133 = 7559.872833 kcal/h - A value of 10 TR is 30239.49133 kcal/h.
10 TR × 3023.949133 = 30239.49133 kcal/h
Ton of Refrigeration to Kilocalorie per Hour conversion table
| Tons of Refrigeration (TR) | Kilocalories per Hour (kcal/h) |
|---|---|
| 0.5 TR | 1511.974567 kcal/h |
| 0.75 TR | 2267.96185 kcal/h |
| 1 TR | 3023.949133 kcal/h |
| 1.5 TR | 4535.9237 kcal/h |
| 2 TR | 6047.898267 kcal/h |
| 2.5 TR | 7559.872833 kcal/h |
| 3 TR | 9071.8474 kcal/h |
| 3.5 TR | 10583.82197 kcal/h |
| 4 TR | 12095.79653 kcal/h |
| 5 TR | 15119.74567 kcal/h |
| 7.5 TR | 22679.6185 kcal/h |
| 10 TR | 30239.49133 kcal/h |
| 20 TR | 60478.98267 kcal/h |
| 50 TR | 151197.4567 kcal/h |
| 100 TR | 302394.9133 kcal/h |
| 500 TR | 1511974.567 kcal/h |
| 1000 TR | 3023949.133 kcal/h |
Where it's used
Tons of Refrigeration are used for air-conditioner and chiller capacity in the US and Asia, while kilocalories per hour appear in radiator and boiler ratings in older European data. Both measure power (energy per unit time), so the conversion is a fixed factor.
Ton of Refrigeration to other power units
| Conversion | 1 TR equals |
|---|---|
| refrigeration ton to watt | 3516.852842 W |
| refrigeration ton to milliwatt | 3516852.842 mW |
| refrigeration ton to kilowatt | 3.516852842 kW |
| refrigeration ton to megawatt | 0.003516852842 MW |
| refrigeration ton to horsepower | 4.716177347 hp |
| refrigeration ton to metric horsepower | 4.781589149 PS |
| refrigeration ton to BTU per hour | 12000 BTU/h |
| refrigeration ton to kilocalorie per hour | 3023.949133 kcal/h |
| refrigeration ton to foot-pound per second | 2593.897541 ft·lbf/s |
Frequently asked questions
How many kilocalories per hour are in 1 ton of refrigeration?
1 TR = 3023.949133 kcal/h.
How do I convert tons of refrigeration to kilocalories per hour?
Multiply the value in TR by 3023.949133. For example, 15 TR × 3023.949133 = 45359.237 kcal/h.
Is the TR to kcal/h conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ton of refrigeration (12 000 Btu_IT/h)".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "calorie_IT" with hour.
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 Tons of Refrigeration to Kilocalories per Hour. Retrieved October 17, 2026, from https://scientificconverters.com/power/tons-of-refrigeration-to-kilocalories-per-hour/
IEEE
Scientific Converters, "Convert Tons of Refrigeration to Kilocalories per Hour," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/power/tons-of-refrigeration-to-kilocalories-per-hour/