How hot does a microwave get? 2022 Detailed Guide

Microwave ovens can now be found in 90% of American kitchens. Because so many people use microwave ovens to prepare food on a daily basis, it’s important to understand some basic cooking techniques to ensure food safety. The only way to ensure that food is cooked to the correct temperature, as with all cooking methods, is to use a food thermometer. In this, you will get proper knowledge about how hot does a microwave gets.

An internal temperature of 165°F is a common guideline. Start by inserting the tip of a food thermometer into the thickest part of the food you’re about to eat to check the temperature. Make sure to take your temperature in a few different places. Microwaves do not always heat evenly, so temperatures within the food may vary.

Because microwave heating is such a versatile technology that it can be applied to a wide range of applications, this question must be answered in terms of application categories.

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Many industrial microwave systems are used to defrost, cook, or pasteurize food products, as well as to dry various organic and inorganic materials. This type of application takes advantage of the fact that microwaves heat water molecules much more effectively than microwaves heat most other substances. In general, this means that the material won’t get any hotter than water’s boiling point. Temperature sensors and controls can be used to regulate the exact temperature if necessary. Excessive temperatures can harm beneficial proteins, enzymes, and other nutrients, so this is a good thing for many food products. As a result, microwave-processed foods may have better nutritional profiles than those heated by convection.

Because there is little or no water in another class of applications, the amount of heating is solely determined by the materials’ dielectric properties. Catalysts for chemical reactions, for example, can be heated to extremely high temperatures. The operating temperature in this case could be in the hundreds or even thousands of degrees.

Finally, microwave-induced gas plasmas can reach temperatures of thousands of degrees Celsius. In the semiconductor industry, microwave plasma systems are commonly used for deposition systems.

Things you should never heat in the microwave

Nice, liquids, and containers: There are a number of items that should not be microwaved. Manufacturers are not required to monitor their goods for microwave suitability, according to the FDA, which is why a “microwave secure” mark isn’t really persuasive.

Stop heating these seven items in the microwave to avoid a fire or dangerous chemical reactions, according to Reader’s Digest.

Eggs that have been hardboiled

Regardless of what the internet says, you should never boil eggs in a microwave. The egg will eventually explode because the heat creates steam inside it that can’t escape.

Cook eggs on the stove or in a special egg boiler to avoid burning your fingers and cleaning up the mess.


When we decide to have meat for lunch on the spur of the moment, some of us may try to defrost it in the microwave. While the thin edge of the meat will cook quickly, the thicker middle may still be frozen, which is why it is best to defrost the meat overnight in the refrigerator.


(Shutterstock/Andrey Popov) Hands closing microwave oven door and preparing food at home

Food, liquids, and containers are among the items that should never be microwaved. Manufacturers are not required to test their products for microwave suitability, according to the FDA, which is why a “microwave safe” label isn’t really convincing.

Avoid heating these seven items in the microwave to avoid a fire or harmful chemical reactions, according to Reader’s Digest.

Breast milk

Breast milk is a type of milk produced by Microwaving breast milk is not recommended because it heats unevenly and can result in hot spots that scald the baby. Additionally, some immune-boosting proteins may be destroyed.

Place the breast milk bottle in a mug full of warm water to preserve the nutrients. Breast milk is safe to use once it has reached room temperature.

Containers made of plastic

Even though we shouldn’t, we all do it from time to time: we microwave plastic containers.

According to a study published in Environmental Health Perspectives, heated plastic can release estrogen-like chemicals like BPA. In fact, 95 percent of 450 tested plastic products showed this effect. The results were the same whether the containers, baby bottles, or zipper-top bags were washed in the dishwasher or soaked in water. As a result, you should warm your meal on a regular plate.

Few plates

When it comes to pots, if you have any with metallic trim, don’t place them in the microwave. According to the USDA, even a minuscule metallic trimming can be harmful.

To be clean, get a plain glass plate that will only be used in the microwave.

Few cups of water

Microwaving a cup of water can seem harmless, but it turns out to be a terrible idea. Too much time spent heating plain water in a ceramic cup or a glass prevents bubbles from forming. As a consequence, the liquid can ́t cool down, becomes superheated and erupts boiling water when the glass is moved.

Boiling water is better achieved on the stove or in an electric kettle.

There is nothing.

Surprisingly, heating nothing in the microwave can be just as dangerous as heating one of the items listed above.

The magnetron responsible for the microwave function would absorb the waves if the machine was running without any food or liquid inside. As a result, the microwave has the potential to break or catch fire. As a result, always make sure you have something inside before pressing the “start” button.

Important Things to Do When Cooking in a Microwave

Arrange the food.

Cut the food into pieces that are the same size, if possible. Cutting gives the food more edges, which means it will be more exposed to microwaves.

Because the outside of the dish receives more heat than the inside, place thicker pieces on the outside.

Cover the food with a plate.

Using a lid, paper towel, or plastic wrap, cover the dish. This will prevent steam from escaping. This moist heat will kill bacteria while also helping to keep the temperature consistent throughout the food. Do not allow the plastic wrap to come into contact with the food.

Ensure that the food is rotated.

In the center of some microwaves is a rotating dish. If yours doesn’t, rotate the dish halfway through the cooking time in the microwave.

Stir the food.

Stopping the cooking half way through the cooking time to stir the food is the best way to get more even heating and ensure elimination of cold spots and bacteria.

Allow it to rest.

After the microwave has turned off, the food continues to cook. This is due to the heat being transmitted to the inner cells by the vibrations of the outer food cells. This is necessary for complete heating and bacterial killing.

Whether you’re cooking raw food or reheating a meal, these guidelines are crucial.

Temperatures for Food Safety

It is critical to become acquainted with your microwave. The same food will take longer to cook in different ovens. After defrosting, all foods should be cooked right away. Never store partially cooked food for later use.

Meat should be cut into smaller pieces. If this isn’t an option, meats should be cooked on 50% power (medium) to allow the heat to reach the centre without overcooking the edges.

Use a food thermometer to ensure that the food has reached a temperature high enough to kill bacteria. Safe cooking temperatures:

• For Red meat: 160˚F (71°C)

• Poultry: 165˚F (74°C)

• Pork: 160 degrees Fahrenheit (71 degrees Celsius)

• 165°F (74°C) for leftovers

• It is not advisable to cook stuffed poultry in the microwave.

When heating baby formula in the microwave, be especially careful to avoid scalding the baby’s mouth or throat. Even if a bottle does not feel warm to the touch after being microwaved for a few seconds, the formula may contain hot spots. Warming or thawing breast milk in the microwave is not recommended. Proteins and other nutrients can be destroyed by excessive heat.

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