When working with electronics, it is important to know the wattage of the device you are using. This will assist you in selecting the appropriate power supply. Furthermore, a power supply calculator can assist you in determining the best power supply for your device. Power calculators can be found online or in software form.

Some calculators require you to know the voltage and amperage of the device you are using, while others only require the wattage. The power supply calculator will then provide you with a list of appropriate power supplies for your device.

Select a power source that is more than the wattage of your device. This will guarantee that your device has sufficient power to operate properly.

#### Calculate power with below calculator

1. DC power calculator

2. AC power calculator

3. work & power calculator

### 1. DC power calculator

Equation for DC power calculation

Voltage is Equals to current I and resistance R: V = I * R

**P = V * I**

**P = V² ÷ R**

**P = I² * R**

Where,

V = voltage

R = resistance

I = current

P = power

### 2. AC power calculator

Amps to Kilowatts Calculator >>

### 3. Work & power calculator

kilowatts to amps calculator >>

Determine the worth of your effort. You can either input this value into our calculator directly or use the advanced option to calculate it using force and displacement. We’ll use W = 6000 J in this case.

Choose a time when the job will be completed. assume, t = 60 s in this case.

Work divided by time equals power. P = 6000 J / 60 s = 100 W in this case.

You may also use our power calculator to look for employment; simply enter the power and time numbers.

### How to calculate power supply?

When it comes to working with electronics, it’s essential to understand power supplies and how to calculate the power requirements of a project. A power supply calculator can help with this.

### When using a power supply calculator, keep the following in mind:

- The voltage and current requirements of the project
- The wattage of the power supply
- First, enter the voltage and current requirements of the project into the calculator. The datasheet for the project generally contains this information.
- Then, choose a power supply with a wattage that is equal to or more than the project’s wattage need.
- It’s important to note the voltage and current requirements of a project. Benefits of using a power supply calculator

If you are a PC gamer, you need a good power supply to get the most out of your system. Not only do you need a good power supply, you need one that is the right size for your system. A power supply calculator can help you determine out what size power supply you’ll need.

A power supply calculator can help you figure out the wattage you need. This is important because you don’t want to buy a power supply that is too small or too large for your system. A power supply calculator can also help you figure out the amperage you need. Types of power supply calculators There are different types of power supply calculator. The three most common types are the voltage calculator, the current calculator, and the power calculator. The voltage calculator is used to calculate the voltage of a circuit.

The current calculator is used to calculate the current in a circuit. Next, the power calculator is used to calculate the power in a circuit. Finally, the voltage calculator is used to calculate the voltage of a circuit. The voltage of a circuit is the amount of potential energy per unit of charge present in a circuit.

The voltage calculator is used to find the voltage of a circuit by finding the voltage of each component in the circuit and adding them together.

### FAQ

#### Q-1. How do you calculate the time based on power and work?

A-1. The duration of the job may be estimated by dividing the work done by the power, which is the amount of work per unit time.

#### Q-2. What units are used to calculate work and power?

A-2. J = kg * m2/ s2 in SI units. The kWh is another common unit of work. The watt (W) is a unit of power that measures the amount of joules of work done per second.

#### Q-3. How many joules are in a kilojoule?

A-3. 1 kj = 1000 joules

#### Q-4. 1 horsepower equals how many joules?

A-4. 735.5 watts, or joules per second, equals one horsepower. So, if you labour at one horsepower for one second, you’ll get 735.5 joules. To determine the total energy in joules, multiply the work duration in seconds by the total energy in joules.

#### Q-5. What is the definition of joules per second?

A-5. The rate of work done in joules per second is most generally referred to as power. The watt (W) is the unit of power, and its units are J/s.