各种制冷量单位的换算关系: 各种制冷量单位的换算关系如下: 1. 1 kcal/h (大卡/小时) = 1.163W,1 W = 0.8598 kcal/h; 2. 1 Btu/h (英热单位/小时) = 0.2931W,1 W = 3.412 Btu/h; 3. 1 USRT (美国冷吨) = 3.517 kW,1 kW = 0.28434 USRT; 4. 1 kcal/h = 3.968 Btu/h,1 Btu/h = 0.252 kcal/h; 5. 1 USRT = 3024 kcal/h,10000 kcal/h = 3.3069 USRT; 6. 1匹 = 2.5 k