kW to kWh Calculator

Energy Formula:

\[ E_{kWh} = P_{kW} \times t \]

Energy (E): kWh

Definition: This calculator converts power in kilowatts (kW) to energy in kilowatt-hours (kWh) based on the duration of usage.

Purpose: It helps determine electrical energy consumption for devices, systems, or processes over time.

The calculator uses the formula:

\[ E_{kWh} = P_{kW} \times t \]

Where:

Explanation: Energy is calculated by multiplying power (rate of energy use) by time (duration of use).

Details: Understanding energy consumption helps in electricity cost estimation, system sizing, and energy efficiency analysis.

Tips: Enter the power in kilowatts (kW) and time in hours (h). All values must be > 0.

Q1: What's the difference between kW and kWh?
A: kW measures power (rate of energy use), while kWh measures energy (total consumption over time).

Q2: How do I convert minutes to hours for the time input?
A: Divide minutes by 60 (e.g., 30 minutes = 0.5 hours).

Q3: Can I use this for solar panel calculations?
A: Yes, to estimate energy production (kW rating × hours of sunlight = kWh output).

Q4: How accurate is this calculation?
A: It's precise for constant power draw. For variable power, use average power over time.

Q5: How does this relate to my electricity bill?
A: Utilities charge per kWh consumed. This helps estimate costs (kWh × rate = cost).