How to convert horsepower to tons of refrigeration
TR = hp × 0.2120361315Multiply the value in horsepower by 0.2120361315. To go the other way, multiply by 4.716177347 (or divide by 0.2120361315).
A horsepower is smaller than a ton of refrigeration: it takes 4.716177347 horsepower to make one ton of refrigeration.
Worked examples
- 1 horsepower (mechanical)1 hp × 0.2120361315 = 0.2120361315 TR
- 5 horsepower5 hp × 0.2120361315 = 1.060180657 TR
- 10 horsepower10 hp × 0.2120361315 = 2.120361315 TR
- 20 horsepower20 hp × 0.2120361315 = 4.240722629 TR
- 100 horsepower100 hp × 0.2120361315 = 21.20361315 TR
Horsepower to tons of refrigeration conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Horsepower (hp) | Tons of refrigeration (TR) |
|---|---|
| 0.1 hp | 0.021203613 TR |
| 0.25 hp | 0.053009033 TR |
| 0.5 hp | 0.10601807 TR |
| 1 hp | 0.21203613 TR |
| 2 hp | 0.42407226 TR |
| 3 hp | 0.63610839 TR |
| 4 hp | 0.84814453 TR |
| 5 hp | 1.0601807 TR |
| 6 hp | 1.2722168 TR |
| 7 hp | 1.4842529 TR |
| 8 hp | 1.6962891 TR |
| 9 hp | 1.9083252 TR |
| 10 hp | 2.1203613 TR |
| Horsepower (hp) | Tons of refrigeration (TR) |
|---|---|
| 12 hp | 2.5444336 TR |
| 15 hp | 3.180542 TR |
| 20 hp | 4.2407226 TR |
| 25 hp | 5.3009033 TR |
| 30 hp | 6.3610839 TR |
| 40 hp | 8.4814453 TR |
| 50 hp | 10.601807 TR |
| 75 hp | 15.90271 TR |
| 100 hp | 21.203613 TR |
| 250 hp | 53.009033 TR |
| 500 hp | 106.01807 TR |
| 1,000 hp | 212.03613 TR |
About the units
Horsepower (hp)
550 foot-pounds per second, about 745.7 W. US car and motor ratings use mechanical horsepower. One horsepower equals 745.6998716 watts (W).
Ton of refrigeration (TR)
12,000 BTU/h (about 3.517 kW), historically the cooling from melting one short ton of ice per day. One ton of refrigeration equals 3,516.852842 watts (W).
Frequently asked questions
How many tons of refrigeration are in one horsepower?
There are 0.2120361315 tons of refrigeration in one horsepower, and this value is exact by definition.
How do I convert horsepower to tons of refrigeration?
Multiply the number of horsepower by 0.2120361315. For example, 10 hp × 0.2120361315 = 2.120361315 TR.
How many horsepower are in one ton of refrigeration?
One ton of refrigeration equals 4.716177347 horsepower. That is the reverse factor, 1 ÷ 0.2120361315.
What is 10 horsepower in tons of refrigeration?
10 hp = 2.120361315 TR.
Is this hp to TR converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.
Convert horsepower to other units
- Horsepower to watts
- Horsepower to kilowatts
- Horsepower to BTU per hour
- Horsepower to megawatts
- Horsepower to metric horsepower