Question

If an electric heater consumes 4 kwh what will be the equivalent kilocalories

Answer 1

1 kWh = 1000 x 3600 J = 3.6 Mega joules

so, 4 kWh = 4 x 3.6 Mega joules

1 cal = 4.18 joules

so, 4 kWh = 4 x 3.6 / 4.18 Mega calories = 3444976 cal = 3444.976 kcal