British Thermal Unit to Kilowatt-hour Conversion Chart
| British Thermal Unit (BTU) | Kilowatt-hour (kWh) | Reference Benchmark | Formula Step |
|---|---|---|---|
| 100 BTU | 0.029307 kWh | Kinetic Energy of a Highway Traveling Passenger Car at 50 km/h | 100 × 0.0002930711 = 0.029307 kWh |
| 500 BTU | 0.146536 kWh | Combustion Heat Generated by Burning Twelve Grams of Refined Sugar | 500 × 0.0002930711 = 0.146536 kWh |
| 1000 BTU | 0.293071 kWh | One Thousand BTU Space Heater Heating Output in Six Minutes | 1000 × 0.0002930711 = 0.293071 kWh |
| 2000 BTU | 0.586142 kWh | Energy Output from Natural Gas Burner Operating for Three Minutes | 2000 × 0.0002930711 = 0.586142 kWh |
| 3412.142 BTU | 1 kWh | Exact International Definition of One Kilowatt-Hour Electricity in BTU | 3412.142 × 0.0002930711 = 1 kWh |
| 5000 BTU | 1.465356 kWh | Small Portable Window Air Conditioner Hourly Cooling Output Tier | 5000 × 0.0002930711 = 1.465356 kWh |
| 10000 BTU | 2.930711 kWh | Residential Gas Grill Burner Full Power Thermal Energy Yield | 10000 × 0.0002930711 = 2.930711 kWh |
| 12000 BTU | 3.516853 kWh | One Ton of Refrigeration Hourly Thermal Heat Extraction Standard | 12000 × 0.0002930711 = 3.516853 kWh |
| 20000 BTU | 5.861422 kWh | High-Output Residential Tankless Gas Water Heater Hourly Energy | 20000 × 0.0002930711 = 5.861422 kWh |
| 50000 BTU | 14.65356 kWh | Commercial Restaurant Gas Cooking Range Multi-Burner Energy | 50000 × 0.0002930711 = 14.65356 kWh |
| 100000 BTU | 29.30711 kWh | One Therm Natural Gas Standard Heating Utility Benchmark | 100000 × 0.0002930711 = 29.30711 kWh |
| 250000 BTU | 73.26778 kWh | Large Residential Whole-House Gas Furnace Peak Heating Capacity | 250000 × 0.0002930711 = 73.26778 kWh |
| 500000 BTU | 146.5356 kWh | Commercial Building Boiler Hourly Hydronic Heat Generation Tier | 500000 × 0.0002930711 = 146.5356 kWh |
| 1000000 BTU | 293.0711 kWh | One MMBTU Industrial Thermal Heat Processing Benchmark | 1000000 × 0.0002930711 = 293.0711 kWh |
| 2000000 BTU | 586.1422 kWh | Industrial Manufacturing Heat Treatment Annealing Furnace Load | 2000000 × 0.0002930711 = 586.1422 kWh |
British Thermal Unit to Kilowatt-hour Formula & Unit Definitions
British Thermal Unit (BTU)
Source Unit- Direct Conversion Ratio: One British thermal unit equals approximately 0.0002930711 kilowatt-hours (1 BTU = 1,055.056 J ÷ 3,600,000 J/kWh). Multiply BTU by ~0.00029307 to get kWh.
- AC Sizing and Power Bills: A 12,000 BTU/h (1-ton) air conditioner with an energy efficiency ratio (EER) of 12 consumes exactly 1.0 kWh of electricity per hour while removing 3.52 kWh of heat.
Kilowatt-hour (kWh)
Target Unit- AC Sizing and Power Bills: A 12,000 BTU/h (1-ton) air conditioner with an energy efficiency ratio (EER) of 12 consumes exactly 1.0 kWh of electricity per hour while removing 3.52 kWh of heat.
- Natural Gas Therms to Electricity: 1 therm (100,000 BTU) contains 29.31 kWh of chemical potential energy, providing a direct baseline for fuel-switching feasibility studies.
Frequently Asked Questions
Q.How many kilowatt-hours are in one BTU?
One BTU equals approximately 0.0002930711 kilowatt-hours (1 BTU = 1,055.056 ÷ 3,600,000 kWh).
Q.What is the reverse conversion from kilowatt-hours to BTU?
To convert back, use the Kilowatt-hours to BTU Converter where 1 kWh equals ~3,412.14 BTU.
Q.How many kWh are in 12,000 BTU (1 ton of cooling)?
12,000 BTU equals approximately 3.516853 kilowatt-hours.
Q.How many kWh are in 100,000 BTU (1 therm of gas)?
100,000 BTU equals approximately 29.3071 kilowatt-hours.
Q.How do you convert BTU to kWh easily?
Divide BTU by 3,412 (e.g. 34,120 BTU ÷ 3,412 ≈ 10 kWh).