Formula: BTU/hr = Kilowatt × 3412
Multiply any kilowatt value by 3412 to get btu/hr.
Reverse: Kilowatt = BTU/hr × 0.0002931
Common kilowatt values — factor: 1 kW = 3412 BTU/hr
| Kilowatt (kW) | BTU/hr (BTU/hr) | Context |
|---|---|---|
| 0.001 kW | 3.412 BTU/hr | 1 W device |
| 0.01 kW | 34.12 BTU/hr | 10 W LED |
| 0.1 kW | 341.2 BTU/hr | 100 W laptop |
| 1 kW | 3,412 BTU/hr | 1 kW kettle |
| 3.5 kW | 1.194e+04 BTU/hr | Home average draw |
| 10 kW | 3.412e+04 BTU/hr | 10 kW solar |
| 75 kW | 255,900 BTU/hr | 100 hp car |
| 100 kW | 341,200 BTU/hr | 134 hp engine |
| 150 kW | 511,800 BTU/hr | 200 hp car |
| 250 kW | 853,000 BTU/hr | 335 hp car |
| 500 kW | 1,706,000 BTU/hr | 670 hp car |
| 1,000 kW | 3,412,000 BTU/hr | 1 MW |
| 1e+04 kW | 34,120,000 BTU/hr | 10 MW wind farm |
| 1,000,000 kW | 3.412e+09 BTU/hr | 1 GW plant |
| 1.000e+09 kW | 3.412e+12 BTU/hr | 1 TW global fraction |
kW × 3,412 = BTU/hr.
1 kW = 3,412 BTU/hr. 3.517 kW = 12,000 BTU/hr = 1 ton AC.
BTU/hr ÷ 3,412 = kW.
Sizes generators, motors, and transformers rated in kilowatts for industrial systems.
Designs rooftop solar systems sized in kW based on household energy consumption.
Specifies electric motor and charging station output in kilowatts.
Measures facility power demand in kW for tariff optimization and demand management.
Converts between kW and BTU/hr for international equipment specifications.
Monitors real-time generation and consumption in kW and MW for grid balancing.
The kilowatt (kW) equals 1,000 watts and is the practical power unit for household appliances, electric vehicles, and small engines. It became the standard billing unit for electricity with the growth of the electrical grid in the late 19th century.
Household power consumption is measured in kilowatts: a typical home draws 1–3 kW on average, peaking at 5–10 kW. Electric vehicle motors are rated in kW: a Tesla Model 3 delivers about 200–350 kW peak. Solar panel systems are sized in kilowatts.
Interesting fact: 1 kW = 1.341 horsepower. A Tour de France cyclist can sustain about 0.4 kW for hours; peak sprints reach 1.5–2 kW. The average human metabolic rate at rest is about 0.08 kW (80 watts).
BTU/hr (British Thermal Units per hour) is the Imperial unit of power used in heating, ventilation, and air conditioning (HVAC). One BTU is the heat needed to raise 1 pound of water by 1°F; divided by an hour gives a power rate equal to 0.293071 watts.
HVAC equipment is universally rated in BTU/hr in the United States: window air conditioners range from 5,000 to 25,000 BTU/hr; central AC systems from 18,000 to 60,000 BTU/hr. Natural gas furnaces are rated in BTU/hr output.
Interesting fact: 12,000 BTU/hr = 1 'ton of refrigeration' — the cooling power needed to melt one ton of ice in 24 hours. This legacy unit still defines residential AC capacity in the US, where a 'one-ton' unit is a 12,000 BTU/hr air conditioner.
Converting kilowatt to btu/hr is common across electrical engineering, automotive, and HVAC industries. Different sectors use different power units — watts and kilowatts in electrical systems, horsepower in automotive and industrial machinery, and BTU/hr in heating and cooling — making accurate conversion essential for international equipment specifications and cross-disciplinary engineering.
Quick reference: 5 kW = 1.706e+04 BTU/hr and 10 kW = 3.412e+04 BTU/hr. Reverse: 1 BTU/hr = 0.0002931 kW. Exact factor: 1 kW = 3412 BTU/hr.
All conversions use IEEE 754 double-precision arithmetic, accurate to at least 8 significant figures.