| 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 |
| imperial ton of refrigeration | 0.8928572 TR (imperial) | 1.7857144 TR (imperial) | 2.6785717 TR (imperial) | 3.5714289 TR (imperial) | 4.4642861 TR (imperial) | 5.3571433 TR (imperial) | 6.2500006 TR (imperial) | 7.1428578 TR (imperial) | 8.0357150 TR (imperial) | 8.9285722 TR (imperial) | 9.8214295 TR (imperial) | 10.7142867 TR (imperial) | 11.6071439 TR (imperial) | 12.5000011 TR (imperial) | 13.3928584 TR (imperial) | 14.2857156 TR (imperial) | 15.1785728 TR (imperial) | 16.0714300 TR (imperial) | 16.9642873 TR (imperial) | 17.8571445 TR (imperial) | 18.7500017 TR (imperial) | 19.6428589 TR (imperial) | 20.5357162 TR (imperial) | 21.4285734 TR (imperial) | 22.3214306 TR (imperial) | 23.2142878 TR (imperial) | 24.1071451 TR (imperial) | 25.0000023 TR (imperial) | 25.8928595 TR (imperial) | 26.7857167 TR (imperial) | 27.6785740 TR (imperial) | 28.5714312 TR (imperial) | 29.4642884 TR (imperial) | 30.3571456 TR (imperial) | 31.2500029 TR (imperial) | 32.1428601 TR (imperial) | 33.0357173 TR (imperial) | 33.9285745 TR (imperial) | 34.8214318 TR (imperial) | 35.7142890 TR (imperial) | 36.6071462 TR (imperial) | 37.5000034 TR (imperial) | 38.3928607 TR (imperial) | 39.2857179 TR (imperial) | 40.1785751 TR (imperial) | 41.0714323 TR (imperial) | 41.9642895 TR (imperial) | 42.8571468 TR (imperial) | 43.7500040 TR (imperial) | 44.6428612 TR (imperial) | 45.5357184 TR (imperial) | 46.4285757 TR (imperial) | 47.3214329 TR (imperial) | 48.2142901 TR (imperial) | 49.1071473 TR (imperial) | 50.0000046 TR (imperial) | 50.8928618 TR (imperial) | 51.7857190 TR (imperial) | 52.6785762 TR (imperial) | 53.5714335 TR (imperial) | 54.4642907 TR (imperial) | 55.3571479 TR (imperial) | 56.2500051 TR (imperial) | 57.1428624 TR (imperial) | 58.0357196 TR (imperial) | 58.9285768 TR (imperial) | 59.8214340 TR (imperial) | 60.7142913 TR (imperial) | 61.6071485 TR (imperial) | 62.5000057 TR (imperial) | 63.3928629 TR (imperial) | 64.2857202 TR (imperial) | 65.1785774 TR (imperial) | 66.0714346 TR (imperial) | 66.9642918 TR (imperial) | 67.8571491 TR (imperial) | 68.7500063 TR (imperial) | 69.6428635 TR (imperial) | 70.5357207 TR (imperial) | 71.4285780 TR (imperial) | 72.3214352 TR (imperial) | 73.2142924 TR (imperial) | 74.1071496 TR (imperial) | 75.0000069 TR (imperial) | 75.8928641 TR (imperial) | 76.7857213 TR (imperial) | 77.6785785 TR (imperial) | 78.5714358 TR (imperial) | 79.4642930 TR (imperial) | 80.3571502 TR (imperial) | 81.2500074 TR (imperial) | 82.1428647 TR (imperial) | 83.0357219 TR (imperial) | 83.9285791 TR (imperial) | 84.8214363 TR (imperial) | 85.7142935 TR (imperial) | 86.6071508 TR (imperial) | 87.5000080 TR (imperial) | 88.3928652 TR (imperial) | 89.2857224 TR (imperial) |
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) | imperial ton of refrigerations | tons of refrigeration (IT) | imperial ton of refrigerations |
|---|---|---|---|
| 1 | ≈ 0.8928572244613 | 6 | ≈ 5.3571433467678 |
| 2 | ≈ 1.7857144489226 | 7 | ≈ 6.2500005712291 |
| 3 | ≈ 2.6785716733839 | 8 | ≈ 7.1428577956904 |
| 4 | ≈ 3.5714288978452 | 9 | ≈ 8.0357150201517 |
| 5 | ≈ 4.4642861223065 | 10 | ≈ 8.928572244613 |
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 |
|---|---|---|---|---|
| imperial ton of refrigeration | TR (imperial) | ≡ 2240 lb × iceIT / 24 h: iceIT = 144 °F × 2326 J/kg·°F | ≈ 3.938875×103 W | Imperial/US |
| imperial ton of refrigerations | tons of refrigeration (IT) | imperial ton of refrigerations | tons of refrigeration (IT) |
|---|---|---|---|
| 1 | ≈ 1.1199998976358 | 6 | ≈ 6.7199993858145 |
| 2 | ≈ 2.2399997952715 | 7 | ≈ 7.8399992834503 |
| 3 | ≈ 3.3599996929073 | 8 | ≈ 8.959999181086 |
| 4 | ≈ 4.479999590543 | 9 | ≈ 10.079999078722 |
| 5 | ≈ 5.5999994881788 | 10 | ≈ 11.199998976358 |
| tons of refrigeration (IT) | imperial ton of refrigerations |
|---|---|
| 1 | ≈ 0.8928572 |
| 1.1199999 | ≈ 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 …) |