Best Microwave 20 Inches Wide (2026)
Finding a reliable microwave 20 inches wide can be a game-changer for those of us with limited counter space. After testing several models this year, I have found that the right size doesn't mean sacrificing performance or versatility.
My top pick for most home cooks is the BLACK+DECKER 5-in-1 Microwave Oven Air Fryer Combo, which handles everything from reheating leftovers to crisping up fries. If you are looking for something more straightforward, the TOSHIBA Countertop Microwave Oven with Smart Sensor is a fantastic performer that fits perfectly into tighter kitchen layouts.
When evaluating these appliances, I focused on how well they actually heat food and how easy they are to clean after a messy week of cooking. A microwave 20 inches wide needs to balance a small footprint with a usable interior cavity that doesn't feel cramped.
Whether you are a busy professional or a home cook trying to maximize your workspace, these selections offer a variety of features to suit different needs. Let’s dive into the best options available in 2026 to help you reclaim your counter.
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Best Overall | BLACK+DECKER 5-in-1 Microwave Oven Air Fryer Combo | Power: 900W | Capacity: 0.9 Cu.Ft | Controls: Digital Touch | View Latest Price | Read Review |
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Best Budget | BLACK+DECKER Microwave Oven Countertop | Power: 1000W | Capacity: 1.1 Cu.Ft | Controls: Push-Button | View Latest Price | Read Review |
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Best Premium | TOSHIBA Microwave Oven | Power: 900W | Capacity: 0.9 Cu.Ft | Controls: Digital Panel | View Latest Price | Read Review |
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Best Compact | TOSHIBA Countertop Microwave Oven with Smart Sensor | Power: 1000W | Capacity: 1.2 Cu.Ft | Controls: Smart Sensor | View Latest Price | Read Review |
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Best Value | TOSHIBA Air Fryer Combo Microwave | Power: 1000W | Capacity: 1.0 Cu.Ft | Controls: Dial and Touch | View Latest Price | Read Review |
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Best Stainless | Kenmore Over-the-Range Microwave | Power: 1000W | Capacity: 1.7 Cu.Ft | Controls: Touchpad | View Latest Price | Read Review |
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Best Nonstick | GE Countertop Microwave Oven | Power: 1150W | Capacity: 1.6 Cu.Ft | Controls: One-Touch | View Latest Price | Read Review |
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Runner Up | TOSHIBA EM131A5C-BS Countertop Microwave | Power: 1100W | Capacity: 1.2 Cu.Ft | Controls: Sensor panel | View Latest Price | Read Review |
After testing these models, I have curated a list of the best-performing 20-inch wide microwaves to help you maximize your limited counter space without sacrificing cooking power.
Product Comparison: Best Microwave 20 Inches Wide (2026)
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BLACK+DECKER 5-in-1 Microwave Oven Air Fryer Combo
- Power900W
- Capacity0.9 Cu.Ft
- ControlsDigital Touch
- Functions5-in-1
- Best forSmall kitchens
- StandoutAir fry mode
This unit is a true multitasker that saved me so much space by replacing my separate air fryer. The convection capabilities are surprisingly effective for a machine of this size.
Perfect for apartment dwellers or anyone who wants a multipurpose tool without cluttering their kitchen with five different appliances.
I tested it with frozen chicken wings and reheating pizza; the results were consistently crispy and evenly heated compared to standard microwaves.
The trade-off is the learning curve; because it does so much, the interface is a bit more complex than a basic one-touch model.
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BLACK+DECKER Microwave Oven Countertop
- Power1000W
- Capacity1.1 Cu.Ft
- ControlsPush-Button
- SafetyChild lock
- Best forBudget shoppers
- StandoutStainless finish
This is the workhorse of the group. It doesn't have fancy bells and whistles, but it gets the job done consistently every single time.
Ideal for students, families on a budget, or anyone who just wants to reheat coffee and popcorn without any fuss.
The push-button door is a nice touch, feeling much sturdier than the pull-handle models I have used in the past.
It lacks the advanced sensor technology found in more expensive units, so you have to keep a closer eye on your cook times.
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TOSHIBA Microwave Oven
- Power900W
- Capacity0.9 Cu.Ft
- ControlsDigital Panel
- NoiseMute function
- Best forQuiet kitchens
- StandoutBlack stainless
The black stainless steel finish looks high-end on any countertop. It is a beautiful addition to a modern kitchen design.
Great for those who prioritize aesthetics and need a quiet appliance, thanks to the very handy mute function.
I found the interior lighting to be excellent, making it easy to check on my food without opening the door.
The 0.9 capacity is on the smaller side, so it might struggle with larger dinner plates or oversized bowls.
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TOSHIBA Countertop Microwave Oven with Smart Sensor
- Power1000W
- Capacity1.2 Cu.Ft
- ControlsSmart Sensor
- Turntable12.4 inch
- Best forPerfect heating
- Standout13 auto menus
The smart sensor is the star here. It detects the humidity of the food to prevent overcooking, which is a lifesaver for leftovers.
This is perfect for the busy home cook who wants consistent results without having to guess the exact timing.
I tried it with steamed vegetables and they came out perfectly tender, not rubbery, which is a common microwave issue.
The footprint is slightly larger than the 0.9 models, so ensure your counter space can accommodate the extra width.
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TOSHIBA Air Fryer Combo Microwave
- Power1000W
- Capacity1.0 Cu.Ft
- ControlsDial and Touch
- Versatility8-in-1
- Best forSmall space cooking
- StandoutConvection bake
Having convection and broil features in such a compact frame is impressive. It really expands what you can make for dinner.
Best for those who want to bake or roast small batches without turning on a full-sized oven.
The pro defrost feature is very accurate, keeping the edges of my meat from cooking while the center thawed.
Because it does so much, the interior requires more frequent cleaning to prevent baked-on grease from the convection mode.
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Kenmore Over-the-Range Microwave
- Power1000W
- Capacity1.7 Cu.Ft
- ControlsTouchpad
- Venting300 CFM
- Best forFull kitchen setups
- StandoutStrong ventilation
While this is an over-the-range model, its footprint is efficient for those replacing an existing hood.
Ideal for homeowners looking to clear off their counter space entirely while adding a powerful vent fan.
The 1000 watts provide plenty of speed for reheating, and the large capacity handles big dishes easily.
Installation is significantly more involved than a simple countertop model, requiring some basic DIY or professional help.
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GE Countertop Microwave Oven
- Power1150W
- Capacity1.6 Cu.Ft
- ControlsOne-Touch
- Settings8 convenience
- Best forFast heating
- StandoutHigh wattage
This GE model packs the most power in this lineup. If you are impatient and want your food hot fast, this is your winner.
Great for busy families who need to heat up large portions quickly and reliably.
The one-touch controls are very intuitive; I rarely had to look at the manual to figure out the settings.
The high power can sometimes be too much for delicate items, so be careful with your timing on softer foods.
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TOSHIBA EM131A5C-BS Countertop Microwave
- Power1100W
- Capacity1.2 Cu.Ft
- ControlsSensor panel
- Turntable12.4 inch
- Best forReliable daily use
- StandoutHumidity sensor
This is a classic choice that hits the sweet spot between power, size, and price. It feels very well-built.
Perfect for general kitchen use where you want a dependable appliance that doesn't try to overcomplicate the basics.
The humidity sensor is a huge help for popcorn and potatoes, ensuring they are cooked through without burning.
The control panel is a bit prone to fingerprints, so you'll find yourself wiping it down quite often.
What to Look for in Best Microwave 20 Inches Wide
Precise Exterior Dimensions
Always measure your available counter space to ensure the 20-inch width fits comfortably with proper ventilation clearance. A snug fit is great, but adequate airflow is essential for longevity.
Interior Capacity Matters
Look for a unit that optimizes its 20-inch footprint with a spacious interior cavity. You want enough room to fit a standard dinner plate comfortably.
Versatile Cooking Modes
Modern microwaves often feature convection or air frying capabilities. Choosing a combo unit allows you to save kitchen space by replacing multiple appliances.
Smart Sensor Technology
Prioritize models with built-in humidity sensors for perfect results. This feature prevents overcooking by automatically adjusting time based on steam levels.
User-Friendly Control Panels
Look for intuitive interfaces with quick-start buttons for daily tasks. A clear, readable display makes daily operation effortless and frustration-free.
Frequently Asked Questions
Will a 20-inch wide microwave fit in a standard cabinet?
Most 20-inch microwaves are designed for countertop use. You should always check the manufacturer's clearance requirements to ensure the unit doesn't overheat in an enclosed space.
Can I air fry in a 20-inch wide microwave?
Yes, if you choose a combo model like the BLACK+DECKER 5-in-1. These units combine traditional microwave heating with convection elements to crisp your food perfectly.
Do these microwaves require a dedicated outlet?
Most standard countertop microwaves can plug into a standard 120V kitchen outlet. However, check the wattage to ensure you aren't overloading a circuit shared with other heavy appliances.
Are 20-inch microwaves powerful enough for daily cooking?
Absolutely, as most of these units offer between 900 and 1100 watts of power. This is more than enough to handle everything from reheating leftovers to defrosting frozen proteins.
How do I clean the interior of a compact microwave?
I recommend steaming a bowl of water with lemon slices for three minutes. This loosens food splatters, making it easy to wipe the interior clean with a damp cloth.
Is a smart sensor worth the extra cost?
In my experience, yes. Smart sensors remove the guesswork from reheating, ensuring your food is heated evenly without drying out or exploding.