Difference Between kW & kWh

Hello, friends, I hope you all are doing great. In today’s tutorial, we will discuss the Difference Between kW & kWh. The common difference between KW and KWh is that KW finds the power produced and used by the instrument while KWh finds the energy used by the electrical devices. In simple words KW explains the demand and KWh explains the usage of power. The full form of KW is kilowatt and KWh is kilowatt-hour. The one kilowatt is equaled to one thousand watts. This unit is used to explain the power consumed by electrical devices such as bulbs, fans, motors, etc.

But KWh tells about the energy used by the electrical devices in certain time intervals. The KWh is usually used in the measurement of electricity bills. The single unit of a kilowatt-hour is equal to 3.6 MJ/s. In today’s post, we will have a detailed look at both kw and kwh with the details and compare them to find their differences. So let’s get started with the Difference Between kW & kWh.

Table of Contents

The kilowatt explains the generation and usage of power by electrical devices.
The full form of KW is a kilowatt.

Its mathematical formula is KW=joule/second x1000
the bulb that emits high light uses larger power the bulb glows with less intensity.
It indicates it has done high work and uses large power
It is used to find the value of power used by less-rated devices such as bulb, motors, etc.

KWh

The kwh stands for kilowatt-hour and unit of energy.

Its value is equal to the thirty-six hundred kilos joules.
It is used to find the value of energy in bills or called bill unit that comes at our homes
This unit of energy is normally employed at industrial and education system
The energy we get is used to sell in KWH.
The price of operating load is measured by taking the product of power used by the load to the time for which it running.
Small size loads are operating customers like homes offices get a bill based on energy used, service charges
While loads operating customers like factories get a bill on a peak power usage basis.

Industries have to pay some extra charge according to load and P.F configuration
You can calculate your own bill let suppose that you are using a heater of one thousand watts run for 1 hr uses a single kilowatt.
The full form of KWh is kilowatt-hour.
Its formula is KWh=Kw x hour.
Its application is to find the value of electrical energy.

How Many kW Is In A kWh

Both Kw and KWh are different units for measuring electricity. KW measures the total power used by a motor or complete device, KWH is a measurement of electricity used with time.
It is not possible to measure how many KW is equal to JWH since total KWH is a measurement of KW with time. This equation can used

kWh = kW / time

Why are kW and kWh important?

The knowledge of the difference between KW and KWh is important for handling energy uses. We can check the required power for electrical devices and measure the amount of energy used for a certain time.
If anyone needed to find out how much time it takes to charge an electric car, take the product of the KW output of the charge with the KWH required for charging the car battery.

How kW and kWh are used in solar power

KW and KWh are also important for solar value comparison. The parameters come with both system size, which is in kW, and annual energy use in kWh and energy bill savings over time.
System size is the same as the power output of the solar configuration for standard test conditions. It is measured in kW for DC power, and it defines how much power the panels use if the sun is shining brightly.

kW and kWh conversion table

Power		Energy
1,000 watts (W)	1 kilowatt (kW)	1,000 Wh	1 kilowatt-hour
1,000 kW	1 megawatt (MW)	1,000 kWh	1 megawatt-hour
1,000 MW	1 gigawatt (GW)	1,000 MWh	1 gigawatt-hour
1,000 GW	1 terawatt (TW)	1,000 GWh	1 terawatt-hour

How many kW is in a kWh?

The KWH is a unit of energy that is equal to one KW of power used for one hour. One KWH is equal to 1000 watts for a single hour. Such as 40-watt light bulb uses 40 watts of energy in a single hour.

What is the difference between kW and kWh in electric cars?

For EV cars KWH is defined as the size/capacity of the battery and KW is the power used for charging the battery. EV chargers are rated in KW and the amount of time used for finding power used through RV charger and given to the EV battery in KWH