How to Tell If Something Is Microwave Safe

Cup of coffee in a microwave
Many bowls and plates are considered microwave safe; however, if you use the wrong dish, you could ruin both the dinnerware and the dinner. Microwaves are convenient appliances, but there are a few precautions you should know about when it comes to your dishes. Always check to see if a dish is microwave safe before using it in the microwave. Some containers can break, melt or scald you. Some containers can also damage your microwave, such as foil-lined containers. Microwave-safe dishes can be used to both cook and store food. Non-microwave safe containers can only be used for storage or serving.

Cup of coffee in a microwave

Microwave Safe Dishes:


1

Examine the Dish

Turn the dish in question over, so the bottom is facing you. Read the back of the dish. Many dishes and containers state either “Microwave Safe” or “Not for Use in Microwaves.” If this isn’t clearly stated, continue to Step 2.


2

Turn Up the Heat

Set your microwave oven to its highest power setting. The method varies based on microwave manufacturer. Consult your microwave’s manual for exact instructions. Most microwaves have a “Power,” “Power Level,” “Menu” or “Settings” button. Usually, the default setting is the highest power.


3

Add Water

Fill a glass measuring cup or glass bowl with 1 cup of water. Place both the cup of water and the dish in the microwave. For larger dishes and containers, place the cup of water on or inside the dish. Don’t pour the water into the dish in question.


4

Set the Time

Microwave the dish and cup for one minute. If the dish or container is warm or hot after heating, the dish or container isn’t microwave safe. If the dish or container is cool and the cup of water is hot, the dish or container is microwave safe. Note: if you placed the cup of water on or in the dish, the area around the cup may be warm. The rest of the dish should be cool if the dish is microwave safe.


Microwave Safe Materials:


Is glass microwave safe?

Yes, glass is almost always microwave safe. If you get a new piece of glassware that isn’t specifically marked as microwave safe, try using the steps we provided to quickly test the container.

Is ceramic microwave safe?

Yes, ceramics like stoneware and porcelain are generally save for microwaves. However, avoid microwaving any ceramic plates with metallic edges or finishes.

Is plastic microwave safe

Yes, but look for plastic containers that are specifically marked “microwave safe.” Avoid single-use or disposable plastic containers that might melt or leach chemicals into food.

Is Styrofoam microwave safe?

Some Styrofoam containers are marked as microwave safe. Avoid microwaving single-use containers from restaurants and similar containers.






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Frances
Frances

We have never-used everyday China from 1972. It is marked as the Progression Blue Moon 9022 pattern. Is this China microwave and dishwasher safe?

Overstock Team

Hi Frances,
That specific pattern is indicative of Noritake china. The majority of casual Noritake dinnerware is microwave and dishwasher safe, unless there is metal, gold, or platinum banding on the china. For a more specific answer straight from the source, submit a quick customer service request from the brand here. http://noritakechina.com/contact-noritake

Bill Humble
Bill Humble

I have a French dish made by Emile Henry, is it microwave safe ??? please.

Overstock Team

Hi Bill!

Emile Henry tableware is ceramic and can handle large temperature fluctuations. Your dish should be perfectly fine in the microwave.