1. What is the W to kWh Calculation?

The W to kWh calculation converts power consumption in watts to energy usage in kilowatt-hours. This is essential for understanding electricity consumption of home appliances and estimating electricity costs.

2. How Does the Calculator Work?

The calculator uses the energy consumption formula:

Where:

• \( W \) — Power consumption in watts
• \( Hours \) — Usage time in hours
• \( 1000 \) — Conversion factor from watts to kilowatts

Explanation: The formula calculates total energy consumption by multiplying power (watts) by time (hours) and converting to kilowatt-hours.

3. Importance of Energy Consumption Calculation

Details: Calculating kWh helps estimate electricity costs, compare appliance efficiency, and understand your home's energy usage patterns.

4. Using the Calculator

Tips: Enter the appliance's power rating in watts and the duration of use in hours. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Where can I find an appliance's wattage?
A: Check the appliance's label, manual, or specifications. Some appliances list amps and volts instead (W = Amps × Volts).

Q2: How do I convert kWh to cost?
A: Multiply kWh by your electricity rate (check your utility bill for the rate per kWh).

Q3: What's a typical kWh consumption for household appliances?
A: LED bulb: 0.01-0.1 kWh, Refrigerator: 1-2 kWh/day, AC: 3-5 kWh/hour (varies by size and efficiency).

Q4: Should I use peak or average wattage?
A: For most calculations, use the running/operating wattage, not the startup peak wattage.

Q5: How accurate is this calculation?
A: It provides theoretical consumption. Actual usage may vary based on appliance condition, settings, and power fluctuations.