A microwave oven typically lasts 9 years. However, usage, maintenance and environmental factors can shorten or extend its lifespan.
Average lifespan of a microwave oven
Microwave ovens generally last around 9 years before magnetrons or control panels fail.
What affects how long a microwave oven lasts
The lifespan of a microwave oven depends on factors such as power level settings, food splatter cleaning, door seal integrity and quality of components. These elements influence wear and can either extend or reduce its typical life.
Signs a microwave oven needs replacing
Common signs that a microwave oven is nearing the end of its life include declining heating performance, sparking or arcing, noisy operation or inoperative keypad. Noticing these cues helps you plan for replacement.
How to make a microwave oven last longer
To extend the life of your microwave oven, follow the manufacturer’s maintenance recommendations. Regular cleaning, proper usage and timely minor repairs can help it serve longer.
When replacement is necessary
If your microwave oven shows persistent failures, safety issues or is beyond its typical lifespan, replacing it with a new model is usually more cost‑effective than repeated repairs.