Worked example
Value: 1 Source unit: kWh Target unit: J Decimal places: 8 Notation: Decimal
→ 3600000 J
Method and scope
Thermochemical calorie is exactly 4.184 J. BTU uses the International Table definition. Energy (kWh) is distinct from power (kW).
y = x × f₁ / f₂
Precision and limits
≈ marks an approximation. Display rounding does not change the internal calculation.