BTU per hour (BTU/hr) to horsepower (hp) horsepower (hp) to BTU per hour (BTU/hr) kiloWatt (kW) to BTU per hour (BTU/hr) BTU per hour (BTU/hr) to kiloWatt (kW) Watt (W) to BTU per hour (BTU/hr) BTU per hour (BTU/hr) to Watt (W)