ton of refrigeration (IT) | 1 TR | 2 TR | 3 TR | 4 TR | 5 TR | 6 TR | 7 TR | 8 TR | 9 TR | 10 TR | 11 TR | 12 TR | 13 TR | 14 TR | 15 TR | 16 TR | 17 TR | 18 TR | 19 TR | 20 TR | 21 TR | 22 TR | 23 TR | 24 TR | 25 TR | 26 TR | 27 TR | 28 TR | 29 TR | 30 TR | 31 TR | 32 TR | 33 TR | 34 TR | 35 TR | 36 TR | 37 TR | 38 TR | 39 TR | 40 TR | 41 TR | 42 TR | 43 TR | 44 TR | 45 TR | 46 TR | 47 TR | 48 TR | 49 TR | 50 TR | 51 TR | 52 TR | 53 TR | 54 TR | 55 TR | 56 TR | 57 TR | 58 TR | 59 TR | 60 TR | 61 TR | 62 TR | 63 TR | 64 TR | 65 TR | 66 TR | 67 TR | 68 TR | 69 TR | 70 TR | 71 TR | 72 TR | 73 TR | 74 TR | 75 TR | 76 TR | 77 TR | 78 TR | 79 TR | 80 TR | 81 TR | 82 TR | 83 TR | 84 TR | 85 TR | 86 TR | 87 TR | 88 TR | 89 TR | 90 TR | 91 TR | 92 TR | 93 TR | 94 TR | 95 TR | 96 TR | 97 TR | 98 TR | 99 TR | 100 TR |
horsepower | 4.7161776 hp | 9.4323551 hp | 14.1485327 hp | 18.8647102 hp | 23.5808878 hp | 28.2970653 hp | 33.0132429 hp | 37.7294204 hp | 42.4455980 hp | 47.1617756 hp | 51.8779531 hp | 56.5941307 hp | 61.3103082 hp | 66.0264858 hp | 70.7426633 hp | 75.4588409 hp | 80.1750185 hp | 84.8911960 hp | 89.6073736 hp | 94.3235511 hp | 99.0397287 hp | 103.7559062 hp | 108.4720838 hp | 113.1882613 hp | 117.9044389 hp | 122.6206165 hp | 127.3367940 hp | 132.0529716 hp | 136.7691491 hp | 141.4853267 hp | 146.2015042 hp | 150.9176818 hp | 155.6338594 hp | 160.3500369 hp | 165.0662145 hp | 169.7823920 hp | 174.4985696 hp | 179.2147471 hp | 183.9309247 hp | 188.6471022 hp | 193.3632798 hp | 198.0794574 hp | 202.7956349 hp | 207.5118125 hp | 212.2279900 hp | 216.9441676 hp | 221.6603451 hp | 226.3765227 hp | 231.0927003 hp | 235.8088778 hp | 240.5250554 hp | 245.2412329 hp | 249.9574105 hp | 254.6735880 hp | 259.3897656 hp | 264.1059431 hp | 268.8221207 hp | 273.5382983 hp | 278.2544758 hp | 282.9706534 hp | 287.6868309 hp | 292.4030085 hp | 297.1191860 hp | 301.8353636 hp | 306.5515412 hp | 311.2677187 hp | 315.9838963 hp | 320.7000738 hp | 325.4162514 hp | 330.1324289 hp | 334.8486065 hp | 339.5647840 hp | 344.2809616 hp | 348.9971392 hp | 353.7133167 hp | 358.4294943 hp | 363.1456718 hp | 367.8618494 hp | 372.5780269 hp | 377.2942045 hp | 382.0103821 hp | 386.7265596 hp | 391.4427372 hp | 396.1589147 hp | 400.8750923 hp | 405.5912698 hp | 410.3074474 hp | 415.0236249 hp | 419.7398025 hp | 424.4559801 hp | 429.1721576 hp | 433.8883352 hp | 438.6045127 hp | 443.3206903 hp | 448.0368678 hp | 452.7530454 hp | 457.4692230 hp | 462.1854005 hp | 466.9015781 hp | 471.6177556 hp |
A ton of refrigeration (TR), also called a refrigeration ton (RT), is a unit of power used in some countries (especially in North America) to describe the heat-extraction capacity of refrigeration and air conditioning equipment.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
ton of refrigeration (IT) | TR | ≡ 2000 lb × iceIT / 24 h: iceIT = 144 °F × 2326 J/kg·°F | ≈ 3.516853×103 W | Imperial/US |
tons of refrigeration (IT) | horsepowers | tons of refrigeration (IT) | horsepowers |
---|---|---|---|
1 | ≈ 4.7161775562166 | 6 | ≈ 28.2970653373 |
2 | ≈ 9.4323551124332 | 7 | ≈ 33.013242893516 |
3 | ≈ 14.14853266865 | 8 | ≈ 37.729420449733 |
4 | ≈ 18.864710224866 | 9 | ≈ 42.445598005949 |
5 | ≈ 23.580887781083 | 10 | ≈ 47.161775562166 |
Horsepower (symbol: hp) is a unit of measurement of power (the rate at which work is done). There are many different standards and types of horsepower.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
horsepower | hp | ≡ 550 ft·lbf/s | = 745.69987158227022 W | Metric system SI |
horsepowers | tons of refrigeration (IT) | horsepowers | tons of refrigeration (IT) |
---|---|---|---|
1 | ≈ 0.21203612206709 | 6 | ≈ 1.2722167324025 |
2 | ≈ 0.42407224413417 | 7 | ≈ 1.4842528544696 |
3 | ≈ 0.63610836620126 | 8 | ≈ 1.6962889765367 |
4 | ≈ 0.84814448826835 | 9 | ≈ 1.9083250986038 |
5 | ≈ 1.0601806103354 | 10 | ≈ 2.1203612206709 |
tons of refrigeration (IT) | horsepowers |
---|---|
1 | ≈ 4.7161776 |
0.2120361 | ≈ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |