Key takeaways
- Best for the smallest kitchen: A countertop dishwasher with a built-in water tank, such as the Farberware Countertop Dishwasher or HAVA Countertop Dishwasher.
- Best countertop balance of capacity and hookup flexibility: The Danby DDW631SDB, which connects to a faucet and fits six place settings.
- Best for frequent family-size loads: An 18-inch rolling dishwasher such as the GE GPT145SSLSS or Whirlpool WDP370PAHW.
- Best when you cannot modify plumbing: A countertop unit with a manual-fill tank. It avoids a permanent water connection, but usually requires more hands-on filling and draining.
- Best for storage between uses: A compact countertop model under approximately 18 inches wide and 20 inches deep, provided you have a safe place to store it near the sink.
The best portable dishwashers for small kitchens are countertop models when cabinet and floor space are tight, while rolling 18-inch dishwashers are the better choice for households that wash a full dinner’s dishes every day.
Our top picks
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Quick picks by kitchen situation
- Best for the smallest kitchen: A countertop dishwasher with a built-in water tank, such as the Farberware Countertop Dishwasher or HAVA Countertop Dishwasher.
- Best countertop balance of capacity and hookup flexibility: The Danby DDW631SDB, which connects to a faucet and fits six place settings.
- Best for frequent family-size loads: An 18-inch rolling dishwasher such as the GE GPT145SSLSS or Whirlpool WDP370PAHW.
- Best when you cannot modify plumbing: A countertop unit with a manual-fill tank. It avoids a permanent water connection, but usually requires more hands-on filling and draining.
- Best for storage between uses: A compact countertop model under approximately 18 inches wide and 20 inches deep, provided you have a safe place to store it near the sink.
Countertop versus rolling: the decision that matters most
Countertop dishwashers occupy valuable work surface but are easy to connect and usually light enough for one person to move. Most hold around four to six place settings. That is adequate for one or two people, or for washing plates, bowls, glasses, and cutlery while large cookware is washed separately.
Rolling dishwashers are substantially larger. Typical 18-inch models hold about eight to twelve place settings and include a floor-level cabinet, wheels, and a countertop. They normally connect to the kitchen faucet when needed, then roll back against a wall. Their capacity is closer to a built-in dishwasher, but they need a clear parking space and a faucet with a compatible removable aerator.
| Model or type | Approx. capacity | Approx. dimensions | Water use | Connection | Approx. noise |
|---|---|---|---|---|---|
| Farberware Countertop Dishwasher | 5 place settings | 17.3 W x 19.6 D x 17.3 H in | About 5 L per tank-filled cycle | Built-in tank or faucet hose | About 50 dB |
| HAVA Countertop Dishwasher | 4 place settings | About 17.7 W x 16.9 D x 18.1 H in | About 5 L per cycle | Built-in tank or faucet hose | About 50 dB |
| Danby DDW631SDB | 6 place settings | About 21.6 W x 19.7 D x 17.2 H in | About 11.7 L per cycle | Faucet connection | About 54 dB |
| GE GPT145SSLSS, 18-inch rolling | 8 place settings | About 18 W x 25.4 D x 36 in with countertop | About 3.5 gal per cycle | Faucet connection | About 55 dB |
| Whirlpool WDP370PAHW, 18-inch rolling | About 8 place settings | About 18 W x 26 D x 36 in with countertop | About 3.5 gal per cycle | Faucet connection | About 55 dB |
Dimensions and ratings can vary by production revision, cycle, and measurement method, so confirm the installation sheet before buying. In particular, countertop depth may not include hose clearance, and a rolling model’s total depth may increase when its supply and drain hoses are attached.
Best countertop portable dishwashers
Farberware Countertop Dishwasher: easiest no-plumbing option
The Farberware Countertop Dishwasher is a practical choice for renters and kitchens without a suitable faucet adapter. Its internal water tank lets you pour in water manually, while a drain hose empties into the sink. Its roughly five-place-setting capacity is enough for a small household’s daily dishes, though a large frying pan or stockpot may require hand washing.
The main trade-off is loading discipline. A tank model is not a “set and forget” appliance: you must fill it to the required level, position the drain hose securely, and leave enough space around the unit for ventilation and door movement. Its compact footprint is convenient, but at roughly 17 inches high it may not fit beneath low cabinets once the door is open.
HAVA Countertop Dishwasher: compact tank-based alternative
The HAVA Countertop Dishwasher follows the same useful pattern: a small cabinet, manual-fill tank, sink drain hose, and faucet adapter. It is a good fit where a permanent hookup is inconvenient and the owner expects to run one small load at a time. Its approximately four-place-setting capacity is better suited to one person or a couple than to a family.
Look closely at rack geometry rather than just the place-setting number. Countertop models often accept dinner plates only up to a particular diameter, and a thick-handled mug can consume more space than its nominal setting suggests. Measure your largest plates and tallest glasses before deciding.
Danby DDW631SDB: more usable capacity, more water per cycle
The Danby DDW631SDB is a stronger choice for users who want six place settings and a conventional faucet connection. It is wider and heavier than many tank-fed countertop machines, but that extra interior volume makes it easier to load plates, bowls, glasses, and cutlery together.
Its approximately 11.7-liter water consumption is notable: it may use more water per cycle than a tank-style countertop unit, even though it remains economical compared with hand washing under a continuously running tap. It is most sensible when you can fill the rack regularly; running it half-empty reduces the advantage of its larger capacity.
Best rolling portable dishwashers
GE GPT145SSLSS: a near-built-in workflow without installation
The GE GPT145SSLSS is designed for households that want a full dishwasher experience but cannot install a built-in model. Its 18-inch width is narrower than a standard 24-inch dishwasher, yet its eight-place-setting capacity is substantially more useful than a countertop machine for shared households.
It rolls to the sink for operation and provides a finished countertop when parked. The cost is floor space: allow room for the cabinet, open door, hose bend, and walking clearance. At around 55 dB, it is audible in an open-plan room, although not unusually loud for a portable dishwasher.
Whirlpool WDP370PAHW: similar capacity with practical portability
The Whirlpool WDP370PAHW is another 18-inch rolling option for people who wash enough dishes to justify a floor-standing appliance. Its key benefit is not a special compact trick; it is the ability to process a larger load without sacrificing the flexibility to roll the machine away after use.
Rolling models generally offer better racks and stronger spray coverage than the smallest countertop machines, but they are less convenient to relocate. Moving one over a threshold while the hoses are attached can stress the connections, so roll it gently and disconnect it before storage or cleaning.
Hookup, water use, and noise: what specifications leave out
A faucet-connected unit needs a removable aerator and an adapter that matches the faucet thread. Pull-down and pull-out faucets can be problematic because the hose connection may not remain stable under water pressure. If your faucet is incompatible, a countertop tank model may be cheaper and less frustrating than a custom plumbing workaround.
Water figures are not directly comparable unless they refer to the same cycle. A five-liter tank is not automatically more efficient than a rolling unit using 3.5 gallons, which is about 13.2 liters: the larger machine may clean twice as many dishes. A simple capacity-adjusted comparison helps:
Example: suppose a countertop machine uses 5 liters for five place settings, or 1 liter per place setting. A rolling model uses 13.2 liters for eight settings, or about 1.65 liters per place setting. If you routinely fill only four settings in the rolling model, its effective water use becomes about 3.3 liters per used setting. The countertop model wins for small loads; the rolling model can win when fully loaded.
Noise ratings around 50 to 55 dB are common. In a small apartment, even a quiet unit may be noticeable during conversation or television. Run it after dinner or while away if sound is a concern. Keep the machine level, because vibration from an uneven countertop or loose rolling cabinet can sound louder than the published rating.
Storage and fit checklist
- Measure width, depth, and height with the door open, not only the closed cabinet.
- Leave space behind the unit for the inlet and drain hoses; avoid sharp bends.
- Confirm that the countertop can support the appliance, typically 45 to 55 pounds for a countertop model plus water and dishes.
- For a rolling model, measure the parking footprint and the route to the sink, including doorways and floor transitions.
- Do not store a wet machine sealed in a cabinet. Leave the door ajar until the interior and filter area are dry.
Ownership realities: maintenance and common mistakes
The filter and spray arms usually need more attention than the exterior. Remove food scraps from plates, clean the filter weekly with frequent use, and inspect spray-arm holes when water coverage deteriorates. Hard-water users may need periodic descaling with a dishwasher-safe descaling product; follow the appliance manual rather than substituting household chemicals.
The first parts likely to show wear are the door gasket, rack coating, hose connections, and small plastic clips. Do not overload racks, place sharp utensils where they can damage the gasket, or force a pan against a spray arm. Use automatic-dishwasher detergent only: hand dish soap can create excessive suds and leak from the machine.
For a countertop unit, secure the drain hose in the sink before every cycle. For a rolling unit, open the faucet fully only after checking that the adapter is tight, and shut off the water before disconnecting. These small steps prevent the most common leaks.
Final recommendation
Choose a tank-fed countertop dishwasher if you live alone or with one other person, lack a compatible faucet, or need the smallest workable footprint. Choose the Danby DDW631SDB when six place settings justify a faucet-connected countertop machine. Choose an 18-inch rolling model such as the GE GPT145SSLSS or Whirlpool WDP370PAHW when you wash dishes daily, need eight or more place settings, and can dedicate floor space beside the sink. The right choice is the one you can fill efficiently, connect safely, and store without blocking the kitchen.
