A lot of homeowners are curious about how much electricity is used by appliances that include microwaves. Understanding the cost of energy involves understanding how many watts a microwave uses.

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Since its introduction in the 1960s, the microwave oven has remained one of the utmost vital appliances for cooking in countless homes. It makes meal preparation more expedient by cooking a diversity of meals, reheating leftovers, and melting frozen meats. Due to its minor size, it is a common item for many small homes, off-the-grid, mobile homes, and RVs.

Many households, however, are unaware of the energy consumption and operating expenses of their microwaves. Essentially, using their microwave ovens is one of the most normal needs we get from people who want to concept a whole-house solar system. The subject, "How many watts does a microwave use?" will be covered in this article. This question will help you figure out how much power your home uses.

Words to Keep in Mind

A few words to keep in mind are Volts, Amps, Watts, and kWh to assist you in understanding more fully how much energy a microwave uses and how much it costs to run. Electricity uses all four of these units of measurement. Every unit has a unique significance and illustrates a distinct facet of electrical energy.
Volts (V) - a shorthand for voltage, volts measure electrical pressure differences. Simply stated, voltage is the speed at which electricity flows throughout a circuit.

Amps (A) - refers to the measure of the current of electricity or the flow of electric charge in a circuit. Current is the rate at which protons flow across a circuit.

Watts (W) - an amount of the rate at which energy changes in a circuit. The more advanced the wattage, the more power the electrical system consumes or produces.

Kilowatt-hours (kWh)—a unit of quantity used to control the energy usage of a household or business—is the quantity of energy used by an electric convenient that uses one kWh of electricity for an hour.

What Is The Electricity Consumption Of A Microwave?

Calculate the make and model; microwaves often use 600–1,000 watts (W) of consultants. Microwaves plug into a 120-volt outlet and use up around 10 amps.

How often you use it is the main variable affecting your microwave's long-term power consumption. Considering that an average microwave requires 800 W to operate:

  • Ten minutes of microwave use daily builds up to 0.94 kWh of electricity a week, 4.1 kWh per month, and 49 kWh yearly.
  • Consuming a microwave for 15 minutes daily adds up to 1.4 kWh per week, 6.1 kWh per month, and 73 kWh annually.
  • On the higher end, 20 minutes a day of microwave use amounts to 1.9 kWh of electricity every week, 8.1 kWh per month, and 97 kWh annually.

Over a year, microwaves that have different power ratings use various quantities of power. Here is how widely power you need for many wattage microwave ovens ended a year, provided you use your microwave repeatedly (15 minutes per day, 105 minutes per week):

How Many Watts Does a Microwave Use?

Microwave Wattage

Hours Per Year Run

Yearly K Wh of Electricity

600 W

91.3

54.8 kWh

650 W

91.3

59.3 kWh

700 W

91.3

63.9 kWh

750 W

91.3

68.5 kWh

800 W

91.3

73.0 kWh

850 W

91.3

77.6 kWh

900 W

91.3

82.2 kWh

950 W

91.3

86.9 kWh

1,000 W

91.3

91.3 kWh

Calculating the Power Consumption of Microwaves

The following formulation may be used for calculating your microwave's power consumption:

Power Rating (in kW) × Time (in hours) = Energy Consumption (in kWh)

Imagine that you use a 1,000-watt (1 kW) microwave for 30 mins or half an hour. By adding these figures to the method, we can estimate how much energy is used:

0.5 hours × 1 kW = 0.5 kWh is the energy consumption.

The Monthly And Annual Expenses For Running A Microwave Based On Its Wattage

Microwave Wattage

Average Electricity Rate (USD/kWh)

Monthly Cost (USD)

600 watts

$0.13

$1.05

650 watts

$0.13

$1.15

700 watts

$0.13

$1.25

750 watts

$0.13

$1.35

800 watts

$0.13

$1.45

850 watts

$0.13

$1.55

900 watts

$0.13

$1.65

950 watts

$0.13

$1.75

1000 watts

$0.13

$1.85

1200 watts

$0.13

$2.25

1500 watts

$0.13

$2.80

Tips for Efficient Microwave Usage

Take consideration the following tips for improving your microwave's energy usage:

Select the Right Power Level
Choosing a power level that meets your particular cooking needs may decrease energy use. You may need to use greater energy levels for tasks that need to heat up quickly. Lower power levels, however, may be sufficient for warming or defrosting food.

Make Use of Sensors and Timers
Many microwaves employ sensors and timers to automate the cooking process. When the food is properly heated or cooked, these features allow the microwave to turn off automatically. By using these characteristics, unnecessary energy use may be avoided.

Select Energy-Saving Models
When you're looking for an innovative microwave, look for one with high energy productivity ratings or Energy Star warranties. Also, to decrease power usage, energy-efficient microwaves can also be more advantageous to the atmosphere.

Regular Upkeep
Keeping your microwave clean and in outstanding working order can preserve maximum efficiency. Routine maintenance, such as cleaning the interior and making sure the door is properly sealed, may reduce energy waste and improve efficiency.

Making the shift to solar power for gadgets like microwaves is an excellent means to save energy expenses if you have an off-grid power source on hand.

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It may take several years to improve your original investment if the sole cause for going solar is to decrease your power costs. The solar payback period is the interval of time between buying a solar power system and recovering your expenses.