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Energy Conversion Calculator
Convert energy measurements between Joules, Calories, kWh, and BTU
Energy Standard: 1 Joule ($J$) serves as the base SI unit. $1\text{ calorie} \approx 4.184\text{ J}$, $1\text{ kWh} = 3,600,000\text{ J}$, and $1\text{ BTU} \approx 1,055.06\text{ J}$.
Energy Input
Calculation Results
⚠️ Standard thermodynamic conversion factors are applied. Verify precision requirements for engineering or scientific computations.