How to convert tons to kW. 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 kilowatts (kW) is equal to the power P in refrigeration tons (RT) times 3.5168525: P (kW) = P (RT) × 3.5168525 . Example. Convert 2 RT to kilowatts: