How Quiet Should a New Dishwasher Be?

Q: I see different decibel ratings on dishwashers, but I don’t know what they mean. How quiet should a new dishwasher be for my home?

A: Dishwasher noise is measured in decibels (dBA). Lower numbers are quieter, and the difference between just a few decibels can feel surprisingly noticeable — especially in an open kitchen. For many homes, a dishwasher in the mid-40s dBA range is a great “quiet enough” target. If your kitchen is open to your living space or you run the dishwasher at night, a model under about 44 dBA can be worth it.

1) Understanding dishwasher decibel ratings

Most dishwashers land somewhere between the mid-40s and low-50s dBA:

• 50 dBA and above: You’ll hear clear swishing, spraying, and draining sounds.
• 44–49 dBA: “Quiet” for most homes — usually a gentle background sound.
• Under 44 dBA: Very quiet — often hard to notice unless the room is silent.

Real-life takeaway: If you’re deciding between two models and one is 2–3 dBA lower, you may actually feel that difference in everyday use.

2) Think about your kitchen and floor plan

Noise matters more when:

• Your kitchen is open to the living room or dining area.
• You run the dishwasher while watching TV or talking in the same space.
• Bedrooms are close to the kitchen.

In many Citrus County homes with open layouts, investing in a quieter model can make the kitchen feel calmer — especially in the evenings.

3) When a super-quiet dishwasher makes sense

Look for dishwashers under about 44 dBA if:

• You’re sensitive to noise.
• You often run the dishwasher overnight.
• Your kitchen opens directly into the main living space.
• You host family gatherings and want conversation-friendly background noise.

4) When a mid-range noise level is perfectly fine

Dishwashers in the 44–49 dBA range are “quiet enough” for many households, especially if:

• Your kitchen is somewhat separated from your main living area.
• You don’t mind gentle water sounds in the background.
• You mostly run cycles during the day.

If you’re balancing budget and features, this range often gives you strong value.

5) Other factors that affect perceived noise

• Tub material: Stainless tubs often absorb sound better than basic plastic tubs.
• Installation: Proper leveling and securing helps reduce rattles and vibration.
• Loading: Loose dishes or metal items touching can create extra clatter.

We cover tub materials in more detail in “Stainless vs. Plastic Dishwasher Tub: Which Is Better?”.

6) Put noise in context with other features

A super-quiet dishwasher is great, but it should also:

• Clean well on the cycles you use most.
• Have racks that fit your dishes and cookware.
• Come from a brand with solid parts support and local service options.

For the bigger picture, see “What Should I Look for When Buying a New Dishwasher?”.

More dishwasher buying help

For more buying tips, visit the Dishwasher Buying Guide Help Center to compare tubs, racks, brands, and energy and water ratings before you buy.

If you’d like help narrowing down a quiet model that fits your kitchen and budget, call (352) 726-7530 or request service — our friendly technicians in yellow can help you choose a dishwasher that feels right in your home.