Q: How many watts in 1 horsepower?
1 mechanical horsepower = 745.7 watts. A 100 hp car engine produces ~74,570 watts (74.57 kW). Metric hp (PS, used in European car specs) = 735.5 watts.
Q: What is the power consumption of common appliances?
AC (1.5 ton): 1,500W (1.5 kW). Refrigerator: 150–300W. Washing machine: 500W. Microwave: 1,000W. LED bulb: 9W. A typical home uses 3–8 kWh per day.