British Thermal Units to Kilowatt Hours: 1 BTU equals 0.000293 kWh. To convert british thermal units to kilowatt hours, multiply by 0.000293 (kWh = BTU × 2.9307e-4). For example, 10 BTU = 0.002931 kWh.
How to Convert British Thermal Units to Kilowatt Hours
To convert from british thermal units to kilowatt hours, multiply the value by 0.000293. The conversion is linear, meaning doubling the input doubles the output.
Conversion Formula
- British Thermal Units to Kilowatt Hours:
kWh = BTU × 2.9307e-4 - Kilowatt Hours to British Thermal Units:
BTU = kWh ÷ 2.9307e-4
British Thermal Units to Kilowatt Hours Conversion Chart
| British Thermal Units (BTU) | Kilowatt Hours (kWh) |
|---|---|
| 0.1 | 2.93072e-5 |
| 0.25 | 7.32681e-5 |
| 0.5 | 0.000147 |
| 1 | 0.000293 |
| 2 | 0.000586 |
| 3 | 0.000879 |
| 5 | 0.001465 |
| 10 | 0.002931 |
| 20 | 0.005861 |
| 25 | 0.007327 |
| 50 | 0.014654 |
| 100 | 0.029307 |
| 250 | 0.073268 |
| 1000 | 0.293072 |
Understanding the Units
What is a British Thermal Unit?
A British thermal unit (BTU) equals approximately 1,055.06 joules — the energy needed to raise one pound of water by one degree Fahrenheit.
Common contexts: HVAC, natural gas (US), heating systems.
What is a Kilowatt Hour?
A kilowatt-hour equals exactly 3,600,000 joules — the energy delivered by 1 kW of power over one hour. It is the standard unit on electric utility bills.
Common contexts: electricity billing, home energy, EV battery capacity.
Real-World Reference Points
| Item | British Thermal Units (BTU) | Kilowatt Hours (kWh) |
|---|---|---|
| Running a 100 W bulb for 10 h | 3412.1282 | 1 |
| EV (Tesla Model 3 LR battery) | 255909.6185 | 75 |
| US household monthly average | 3047030.5237 | 893 |