Repair help
How to Clean My Microwave: The Ultimate DIY Guide
AAZparts Team
Updated on May 15, 2025
5 min read
A microwave is one of the most frequently used appliances in the kitchen, yet many people overlook the importance of keeping it clean. If you've ever asked yourself, “ how to clean my microwave ?” , you're not alone. Over time, food splatters, grease buildup, and lingering odors not only make your microwave unsanitary but also reduce its efficiency and pose fire hazards.
A 2017 study by NSF International revealed that microwave keypads are among the most contaminated surfaces in the kitchen — even more so than the sink — often harboring harmful bacteria like E. coli and Salmonella . That’s why regular cleaning and maintenance are critical.
In this guide, you’ll learn how to clean your microwave step-by-step , including tips for removing tough stains, neutralizing odors, and keeping your microwave in top condition for years to come.
Why Cleaning Your Microwave Regularly Matters
Many people assume that since microwaves heat food at high temperatures, they do not require frequent cleaning. However, this is a common misconception.
Key Benefits of Regular Cleaning & Maintenance:
- Prevents Bacterial Growth – According to the USDA, bacteria and mold thrive on food residue left in microwaves, increasing the risk of food contamination.
- Eliminates Lingering Odors – Food particles can create unpleasant smells that transfer to fresh meals.
- Improves Heating Efficiency – A dirty microwave absorbs some of the heat energy, causing uneven cooking and longer heating times.
- Reduces Fire Hazards – The National Fire Protection Association (NFPA) reports that microwaves cause 4% of home cooking-related fires annually, often due to grease and food buildup.
- Extends Appliance Lifespan – A well-maintained microwave can last 7 to 10 years, whereas a neglected one may break down within 5 years.
Now, let’s explore the best cleaning methods to keep your microwave in top condition.
How to Clean a Microwave (Step-by-Step Guide)
1. Quick & Easy Cleaning (For Light Messes)
If your microwave has minimal splatters or mild odors, this simple method will work effectively.
What you need:
- A damp sponge or microfiber cloth
- Mild dish soap
- Warm water
Steps:
- Unplug the microwave – Always disconnect the power before cleaning.
- Wipe down the interior – Use a damp sponge with warm, soapy water to clean the walls, ceiling, and turntable.
- Clean the turntable – Remove the glass tray and wash it separately with dish soap.
- Wipe the exterior – Clean the door, handle, and control panel with a damp cloth.
- Dry with a clean towel – Ensure all parts are completely dry before plugging the microwave back in.
Recommended Frequency: At least once a week to prevent buildup.
2. Steam Cleaning with Vinegar or Lemon (For Moderate Stains & Odors)
For stubborn stains and lingering odors, steam cleaning is the best solution.
What you need:
- 1 cup of water
- 2 tablespoons of white vinegar (or 1 sliced lemon)
- Microwave-safe bowl
- Sponge or cloth
Steps:
- Prepare the cleaning solution – Add 1 cup of water and 2 tablespoons of vinegar (or use sliced lemons) in a microwave-safe bowl.
- Microwave on high for 5 minutes – This creates steam that loosens dried-on food and grease.
- Let it sit for 2 minutes – Allow the steam to continue breaking down grime.
- Wipe down the interior – Use a sponge or cloth to remove softened debris.
- Clean the turntable & exterior – Wash the turntable separately and wipe the control panel with a damp cloth.
Recommended Frequency: Every 1-2 weeks to keep the microwave fresh and odor-free.
3. Deep Cleaning with Baking Soda (For Heavy Grease & Burnt Stains)
For tough stains, dried-on grease, or burnt food residue, a baking soda paste works best.
What you need:
- 3 tablespoons of baking soda
- Water (enough to form a thick paste)
- Sponge or scrub brush
Steps:
- Mix baking soda and water – Create a thick paste.
- Apply to stained areas – Focus on stubborn spots inside the microwave.
- Let sit for 5 minutes – This helps loosen grime.
- Scrub gently – Use a sponge or brush to remove stains.
- Wipe with a damp cloth – Clean off any residue and dry the microwave with a towel.
Recommended Frequency: Once a month or as needed for deep cleaning.
Maintenance Tips to Keep Your Microwave Clean Longer
1. Cover Your Food to Prevent Splatters
- Always use a microwave-safe cover or paper towel to prevent splatters.
- This simple habit reduces the need for frequent deep cleaning.
2. Clean Spills Immediately
- Wipe up spills as soon as they occur to prevent stains from hardening.
- This makes future cleaning much easier.
3. Avoid Metal Objects
- Never place metal utensils, aluminum foil, or metallic plates inside the microwave.
- These items can cause sparks and lead to dangerous electrical fires.
4. Keep the Ventilation System Clean
- Check and clean the microwave’s vent filters if applicable (especially for built-in or over-the-range models).
- Proper ventilation prevents overheating and extends the lifespan of the appliance.
5. Inspect & Clean the Door Seal
- Wipe the door seal regularly to ensure a tight closure and prevent heat loss.
- A damaged door seal can cause microwave radiation leakage, which, while low-level, should be avoided for safety reasons.
Final Thoughts
If you’ve been wondering “how to clean my microwave properly?” , the answer lies in a consistent cleaning and maintenance routine.
- Weekly : Quick clean with dish soap and water
- Every 1–2 weeks : Steam clean with vinegar or lemon
- Monthly : Deep clean with baking soda
- Ongoing : Follow prevention tips for long-term efficiency
Bonus Fact: According to Consumer Reports , properly maintaining a microwave can extend its lifespan by 30-50%, saving you money in the long run.
FAQ: How to Clean My Microwave
Q: Can I use bleach to clean my microwave?
A: It’s not recommended. Bleach can damage the interior and leave harmful fumes. Stick to natural cleaners like vinegar, lemon, and baking soda.
Q: What’s the fastest way to clean a microwave?
A: Steam cleaning with vinegar takes just a few minutes and is highly effective for loosening grime and deodorizing.
Q: How do I get rid of burnt smells in my microwave?
A: Use a steam cleaning method with lemon or vinegar, followed by wiping with baking soda paste for stubborn odors.
TroubleshootingMicrowaveClean & MaintainAppliances
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