How to convert kW to tons. One refrigeration ton is equal to 3.5168525 kilowatts: 1 RT = 3.5168525 kW. One kilowatt is equal to 0.284345 refrigeration ton: 1 kW = 0.28434517 RT. So the power P in refrigeration tons (RT) is equal to the power P in kilowatts (kW) divided by 3.5168525: P(RT) = P(kW) / 3.5168525.