kWh to Watt Calculator
Convert energy in kilowatt-hours (kWh) to power in watts (W).
Kilowatt-hour to Watt Converter
Common kWh to Watt Conversions
Click on these links to see instant conversions with common values:
Understanding kWh to Watt Conversion
Converting kilowatt-hours (kWh) to watts (W) involves understanding the relationship between energy consumed over time and the rate of power consumption. Watts are a smaller unit of power than kilowatts.
Conversion Formula
Where:
• Watts = Power in Watts
• kWh = Energy in Kilowatt-hours
• hours = Time duration in hours
Key Concepts
- Kilowatt-hour (kWh): A unit of energy, representing the consumption of one kilowatt of power over one hour.
- Watt (W): A unit of power, representing the rate at which electrical energy is consumed or produced. One kilowatt (kW) equals 1000 watts.
- Energy: The capacity to do work.
- Power: The rate at which energy is transferred or used.
Typical Energy Consumption and Power Ratings
| Appliance | Energy (kWh) | Time (hours) | Approx. Power (Watts) |
|---|---|---|---|
| LED Light Bulb | 0.01 | 1 | 10 |
| Laptop | 0.06 | 1 | 60 |
| Desktop Computer | 0.2 | 1 | 200 |
| Refrigerator | 1.5 | 24 | 62.5 |
| Microwave Oven | 1 | 1 | 1000 |
Typical Energy Consumption and Power Ratings
| Appliance | Energy (kWh) | Time (hours) | Approx. Power (Watts) |
|---|---|---|---|
| LED Light Bulb | 0.01 | 1 | 10 |
| Laptop | 0.06 | 1 | 60 |
| Desktop Computer | 0.2 | 1 | 200 |
| Refrigerator | 1.5 | 24 | 62.5 |
| Microwave Oven | 1 | 1 | 1000 |
Frequently Asked Questions
What is the difference between kWh and watts?
kWh (kilowatt-hour) is a unit of energy, representing the total amount of electricity consumed over a period. Watts (W) is a unit of power, representing the rate at which electricity is consumed at any given moment. 1 kWh is equivalent to 1000 watts used for one hour.
Why do I need time to convert kWh to watts?
Power (watts) is energy (joules or watt-hours) divided by time. Since kilowatt-hours already include a time component, to find the instantaneous power in watts, you must divide the total energy (kWh) by the duration (hours) and then convert kilowatts to watts.