BTU/hr to Tons / kW Converter

Enter a value in any field — all others update instantly. Used for HVAC cooling capacity conversions.

1 Ton = 12,000 BTU/hr  |  1 Ton = 3.5169 kW  |  1 Ton = 12 MBH  |  1 Ton = 3,024 kcal/hr
BTU/hr
British Thermal Units per hour
Tons
1 ton = 12,000 BTU/hr
kW
1 ton = 3.5169 kW
MBH
MBH = BTU/hr ÷ 1,000 (common in HVAC specs)
kcal/hr
1 ton = 3,024 kcal/hr

Common HVAC Equipment Cooling Capacities

EquipmentTypical CapacitykW
Window / room AC unit0.5 – 1.5 tons1.8 – 5.3 kW
Mini-split (residential)0.75 – 2 tons2.6 – 7.0 kW
Central AC (small home)2 – 3 tons7 – 10.6 kW
Central AC (large home)3 – 5 tons10.6 – 17.6 kW
Packaged rooftop unit (RTU)3 – 25 tons10.6 – 88 kW
Commercial chiller (small)50 – 150 tons176 – 528 kW
Commercial chiller (large)200 – 2000 tons703 – 7034 kW
Data center precision AC10 – 60 tons35 – 211 kW