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Energy Converter
Convert Energy, Power & Fuel Efficiency with precision
Energy Units • Power Calculations • Fuel Economy • Real-world Context
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Common Energy Conversions
⚡ kWh to MJ
Kilowatt hours to Megajoules
🔥 BTU to kJ
British Thermal Units to Kilojoules
🍎 kcal to J
Kilocalories to Joules
🔋 Wh to J
Watt hours to Joules
🏠 thm to kWh
Therms to Kilowatt hours
⚡ MJ to BTU
Megajoules to BTUs
Energy Category Features
⚡ Energy Conversions
- 10 major energy units supported
- Real-world context calculations
- Scientific and practical units
- Common equivalents display
- Precision up to 6 significant figures
🔌 Power Calculations
- Watts to horsepower conversions
- Energy consumption over time
- Power categorization (home, industrial)
- Multiple horsepower standards
- BTU/hour thermal calculations
⛽ Fuel Efficiency
- MPG, L/100km, km/L conversions
- US and Imperial gallon support
- Annual fuel cost estimation
- CO₂ emissions calculation
- Efficiency categorization