The best microwave 18 inches wide offers compact convenience and powerful performance for kitchens where space is a premium. Finding the right option means balancing wattage, interior capacity, and specialized features like convection cooking or sensor reheating. A poorly chosen appliance may lack the heating efficiency you need or boast unnecessary bells and whistles, leading to wasted counter space and potential disappointment.
With a variety of brands and models available, each with its own strengths, selecting the ideal unit requires understanding your specific needs. Explore our curated list to find the perfect 18-inch wide microwave that elevates your culinary experience without demanding excessive space.
For a best microwave 18 inches wide, consider models offering ample interior capacity for family-sized meals, such as the Toshiba ML-EM62P(SS) with its 2.2 cu. ft. large capacity which can accommodate a whole chicken, or the Panasonic NN-SN686S with 1.2 cu.
ft. and Inverter Technology for even cooking.
Many high-capacity options, like the Sharp SMC2266KS, also feature Inverter Cooking Technology and spacious turntables for uniform heating. When selecting, prioritize large interior dimensions combined with powerful wattage for efficient cooking.
18-Inch Microwaves at a Glance
| Image | Product | Buy |
|---|---|---|
Best Pick 1  | Toshiba ML-EM62P(SS) Large Countertop Microwave with Smart Sensor, 6 Menus, Best for: Large capacity cooking | Check Price |
Best Pick 2  | TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu Ft, 12.4″ Removable Best for: Everyday reheating | Check Price |
Best Pick 3  | Panasonic Microwave Oven NN-SN686S Stainless Steel Countertop/Built-In with Inverter Technology Best for: Smart cooking | Check Price |
Best Pick 4  | GE Countertop Microwave Oven,1, 200-watt Capacity, 2.0 Cubic Ft., 8 Best for: Power cooking | Check Price |
Best Pick 5  | Sharp SMC2266KS 2.2 cu. ft. 1200W Stainless Steel Countertop Microwave Best for: Big batch meals | Check Price |
How We Picked
Our selection process for identifying the best microwave 18 inches wide prioritized key buyer concerns: build quality, real-world performance, safety, durability, and standout features. We analyzed specifications and highlighted features like inverter technology for even cooking and smart sensors for optimal results across models such as the Toshiba ML-EM62P(SS) and Panasonic NN-SN686S. Microwaves with high wattage (1200W and above) and generous capacity (2.0-2.2 cu.
ft.) were favored for powerful performance. Models with advanced safety features like child locks, as seen in GE offerings, were also crucial.
Minor discrepancies in design or less innovative features led us to rule out certain models, ensuring our recommendations represent exceptional value and dependable operation.
What Most Buyers Get Wrong
Maximizing Your Countertop Space Wisely
When hunting for an 18-inch wide microwave, remember that external dimensions are key. While some models pack a large 2.2 cu. ft.
capacity, like the Toshiba ML-EM62P(SS) or Sharp SMC2266KS, their actual footprint might exceed your precise countertop constraints. Look beyond the cubic footage and scrutinize the WxDxH specifications.
A microwave that’s just under 18 inches wide, such as the LG Countertop Microwave at 18.75 inches (though slightly over your stated ideal, it’s a good example of checking dimensions), might still fit snugly, but always measure your available space first – including clearance for the door to open.
Decoding Wattage for Efficient Cooking
Microwave wattage directly impacts cooking speed and efficiency. For an 18-inch wide model, aim for at least 1000 watts if you frequently reheat larger meals or cook from scratch. Models like the Panasonic NN-SN686S and GE models (2.0 cu.
ft.) offer 1200 watts, ensuring quick defrosting and even heating. Lower wattages, like the BLACK+DECKER EM720CB7 at 700 watts, are better suited for simple tasks such as reheating beverages or popping popcorn.
Understand that higher wattage generally means faster cooking, so choose based on your typical usage.
1. Toshiba ML-EM62P(SS) Large Countertop Microwave with Smart Sensor, 6 Menus,
Best for: Best for large families needing maximum capacity.
1200 watts of power within a generous 2.2 cu. ft. capacity enables cooking a 16″ pizza or a whole chicken, ideal for substantial family meals without sacrificing counter space.
Smart humidity sensors automatically adjust cooking time and power, ensuring food is heated evenly and retains moisture thanks to its advanced heating mechanism. Ten power levels offer precise control for various dishes, complementing the six one-touch preset menus.
Pros
- 2.2 cu. ft. capacity for large dishes
- 1200W power for fast cooking
- Humidity sensor for precise heating
- Six smart menus simplify food prep
Cons
- The 10 power levels, while numerous, may require experimentation for optimal results with certain recipes.
This Toshiba model is a top choice for households that frequently prepare large meals. Its spacious interior and smart features simplify everyday cooking for a busy family.
2. TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu Ft, 12.4″ Removable
Best for: Ideal for everyday cooking with smart sensor accuracy.
1000 watts of cooking power combined with a 1.2 cu. ft. capacity provides ample space and efficient heating for most common kitchen tasks, fitting easily on your countertop.
External dimensions of 20.6 x 14.6 x 11.8 inches house a 12.4-inch glass turntable, ensuring even cooking for most dinner plates and bowls. Six smart preset menus and ten power levels offer versatility, while the humidity sensor automatically refines cooking parameters.
Pros
- 1000W for efficient cooking
- 1.2 cu. ft. capacity is versatile
- Humidity sensor ensures optimal results
- Six smart presets offer convenience
Cons
- The 10 power levels, while common, may require specific adjustments for delicate items.
This Toshiba microwave is well-suited for individuals or small families needing a reliable appliance for daily reheating and cooking. Its smart sensor technology makes meal preparation straightforward.
3. Panasonic Microwave Oven NN-SN686S Stainless Steel Countertop/Built-In with Inverter Technology
Best for: Best for precise heating with Inverter Technology.
Panasonic’s 1200-watt Inverter Technology delivers a continuous stream of power, ensuring consistent cooking and flavor that avoids overcooking common in traditional microwaves.
This 1.2 cubic foot capacity unit features a 340mm turntable, accommodating larger dishes, and offers 14 cooking programs for diverse culinary needs. Advanced Inverter Turbo Defrost speeds up thawing while preserving food quality.
Pros
- 1200W Inverter for even cooking
- 1.2 cu. ft. capacity is ample
- Turbo Defrost speeds thawing
- 14 programs for varied use
Cons
- The 14 programs, while extensive, might present a learning curve for users unfamiliar with menu-based cooking.
For those who prioritize consistent cooking results and efficient defrosting, this Panasonic model is an excellent choice. Its Inverter Technology elevates everyday meal preparation.
4. GE Countertop Microwave Oven,1, 200-watt Capacity, 2.0 Cubic Ft., 8
Best for: Great for households needing large capacity and power.
With 1200 watts of power and a 2.0 cu. ft. capacity, this GE microwave efficiently cooks large meals and fits substantial dishes, maximizing your cooking output on the counter.
The expansive 2.0 cu. ft. interior easily accommodates large platters, and its 1200-watt output ensures rapid heating. Eight sensor cooking programs automatically adjust time and power, while the two-step child lock provides added safety.
Pros
- 2.0 cu. ft. capacity for large items
- 1200W power for quick heating
- Eight sensor cooking programs
- Two-step child lock for safety
Cons
- The eight programmed cooking options are beneficial but may not cover highly specialized culinary needs.
This GE microwave is perfect for families or individuals who regularly prepare larger quantities of food. Its generous capacity and powerful wattage handle big meals with ease.
5. Sharp SMC2266KS 2.2 cu. ft. 1200W Stainless Steel Countertop Microwave
Best for: Ideal for families valuing capacity and advanced features.
A substantial 2.2 cu. ft. capacity is powered by 1200 watts, allowing you to heat large family-sized portions and even whole meals efficiently on your countertop.
The 16.5-inch Carousel turntable ensures even cooking by rotating your food, supported by Inverter Cooking Technology for precise temperature control. Ten power levels, Sensor Cook, and Auto Cook programs offer versatile preparation for a multitude of dishes.
Pros
- 2.2 cu. ft. capacity for large meals
- 1200W power for fast cooking
- 16.5″ turntable for even heating
- Inverter technology for precise cooking
Cons
- The ten program options, while useful, may require some user familiarization to optimize for specific meal types.
This Sharp microwave is a strong contender for larger households needing ample space and consistent cooking performance. Its advanced features and large turntable simplify meal preparation.
6. TOSHIBA ML-EM45P(BS) Countertop Microwave Oven with Smart Sensor and 13.6″
Best for: Best for families needing smart sensor menus and capacity.
High-power 1200-watt cooking is delivered within a 1.6 cu. ft. capacity, fitting a 13-inch pizza with ease and catering to family-sized portions right on your countertop.
The 13.6-inch turntable utilizes an innovative position-memory technique, returning to its starting point for convenience. Ten power levels and a pre-programmed sensor menu for popular foods like pizza and potato simplify meal preparation.
Pros
- 1.6 cu. ft. capacity handles family meals
- 1200W for efficient cooking
- Position-memory turntable adds convenience
- Sensor menu simplifies popular dishes
Cons
- While offering 10 power levels, achieving perfect results for every food type may require some user fine-tuning.
This Toshiba microwave is a great option for families looking for a balance of capacity and smart cooking features. Its convenience functions and sensor menus streamline everyday use.
7. Panasonic Microwave Oven, Stainless Steel Countertop/Built-In Cyclonic Wave with Inverter
Best for: Excellent for even cooking and nutrient preservation.
1250 watts of high power combined with Cyclonic Wave technology in a 2.2 cubic foot capacity ensures food is cooked evenly while preserving nutrients for healthier meals.
The patented Inverter Technology generates a consistent power output across all temperature levels, preventing overcooking and ensuring evenly prepared food. This stainless steel model offers 16 programs for diverse cooking needs, including advanced Turbo Defrost.
Pros
- 1250W power for quick heating
- 2.2 cu. ft. capacity is very large
- Cyclonic wave for even cooking
- Inverter tech preserves nutrients
Cons
- The 16 program options, while comprehensive, may require a slight learning curve to master.
This Panasonic microwave is ideal for health-conscious individuals or families who value consistent cooking and nutrient retention. Its advanced technology ensures delicious and evenly cooked meals.
8. BLACK+DECKER EM720CB7 Digital Microwave Oven with Turntable Push-Button Door, Child
Best for: Compact choice for basic cooking and reheating needs.
Operating at 700 watts, this digital microwave oven offers essential functionality with pre-programmed buttons for common items like popcorn and potatoes, fitting compactly on your counter.
Its 0.7 cu. ft. capacity is suitable for everyday tasks, featuring 10 power settings for controlled heating and a 30-second express cooking option. The large LED display and push-button door release ensure user-friendly operation.
Pros
- 0.7 cu. ft. capacity for small spaces
- 700W power for basic tasks
- Preset buttons for common foods
- Easy-access push-button door
Cons
- The 700W power output is lower than many alternatives, resulting in longer cooking times for larger items.
This BLACK+DECKER microwave is perfect for dorm rooms, small apartments, or anyone needing a straightforward appliance for basic reheating and cooking. Its compact size and simple controls are very user-friendly.
9. GE Countertop Microwave Oven, 1,150-watt Capacity, 1.6 Cubic Ft., 8
Best for: Feature-rich for its size, good for families.
Offering 1150 watts of power within its 1.6 cu. ft. capacity, this GE microwave swiftly cooks meals and handles larger dishes efficiently, making it a powerful addition to any kitchen counter.
The spacious 1.6 cu. ft. interior is complemented by eight sensor cooking controls that automatically adjust time and power for optimal results. Weight and time defrost options provide convenient thawing, and the turntable ensures even distribution of heat.
Pros
- 1.6 cu. ft. capacity is practical
- 1150W power for quick cooking
- Eight sensor cooking programs
- Weight and time defrost options
Cons
- The included eight sensor programs, while helpful, may not cover highly specific or advanced cooking requirements.
This GE microwave is a strong choice for families or individuals who need a balance of power, capacity, and smart cooking features. It efficiently handles everyday meal preparation.
10. LG Countertop Microwave, 0.9 cu. ft., Stainless Steel, 18.75x14x10.69 Inch,
Best for: Smart Inverter ensures even heating from a compact unit.
LG’s Smart Inverter technology provides precise cooking power control and even heating within its 0.9 cu. ft. capacity, ensuring your food is heated thoroughly and uniformly.
This 1000-watt microwave offers 7 Auto Cook options for specific foods like potatoes and fresh vegetables, simplifying meal preparation. The EasyClean interior coating makes cleanup straightforward after use.
Pros
- 0.9 cu. ft. capacity is compact
- 1000W for efficient heating
- Smart Inverter ensures evenness
- 7 Auto Cook options simplify prep
Cons
- The 0.9 cu. ft. internal capacity may be too small for very large dishes or whole chickens.
This LG microwave is ideal for individuals or small families needing a compact yet powerful appliance with advanced heating technology. Its Smart Inverter ensures consistently cooked meals.
Capacity vs. Cooking Precision
For a best microwave 18 inches wide, the core decision hinges on whether raw volume or advanced cooking control takes priority, dictating everything from meal versatility to energy efficiency.
The most apparent difference lies in sheer cubic footage. Models like the Toshiba ML-EM62P(SS) boast a cavernous 2.2 cu. ft., explicitly stating it can fit a whole chicken or a 16 pizza, supported by a substantial 1200W output.
Similarly, the Sharp SMC2266KS offers the same 2.2 cu. ft.
capacity with 1200W. These are the workhorses for large families needing to reheat multiple items or prepare larger dishes quickly. The GE Countertop Microwave Oven with 2.0 cu.
ft. and 1200 watts also falls into this category, prioritizing bulk heating over nuanced cooking.
However, the argument for precision cooking emerges with offerings like the Panasonic Microwave Oven NN-SN686S and the LG Countertop Microwave. The Panasonic, at 1.2 cubic feet, champions its 1200-watt Inverter Technology, promising a seamless stream of cooking power for even cooking and delicious flavor. This contrasts with the LG’s 0.9 cu. ft.
and 1000 watt Smart Inverter, which focuses on precise cooking power control and even heating throughout your food. These units, while smaller, reduce the risk of cooked-too-much edges and undercooked centers often seen in simpler, high-wattage machines for smaller portions. The Toshiba ML-EM45P(BS) with its 1200 watts and sensor menus also leans towards better texture for specific foods, making it a middle ground.
The error many make is assuming high wattage and large capacity automatically equate to superior cooking performance across the board. While undeniable for sheer volume, it can compromise the uniformity of heating for smaller, more delicate items or when precise doneness is critical. The simpler, less capacity-focused models, particularly those with inverter technology like the Panasonic Microwave Oven, Stainless Steel Countertop/Built-In Cyclonic Wave with Inverter, achieve their 2.2-cubic-foot capacity with 1250 watts but emphasize maintaining full flavor and nutrients.
Ultimately, the Toshiba ML-EM62P(SS) is the clear choice for those whose primary need is reheating family-sized meals rapidly, while the Panasonic Microwave Oven NN-SN686S is better suited for the home cook who values consistent, even heating for a wider range of dishes, even at a smaller capacity.
What to Look for in a Best Microwave 18 Inches Wide
Capacity and internal dimensions
For an 18-inch wide microwave, capacity is your primary consideration. Look for models offering at least 1.0 cubic feet internally; anything less struggles with larger dishes or multiple servings. A turntable diameter of 12 inches or more ensures even cooking for common plate sizes.
Crucially, check the internal height clearance, aiming for 7 inches or greater, to accommodate taller items like butter containers or casseroles without scraping the top. Choose a microwave with a generous turntable and ample internal height for maximum functionality, especially for families.
Wattage and cooking power
When evaluating cooking power, a minimum of 900 watts is essential for efficient heating and cooking. Microwaves in the 1000-1200 watt range offer superior speed and cooking consistency. Sensor cooking presets are a key indicator of advanced performance, automatically adjusting cook times for common foods without guesswork.
For defrosting, prioritize models that offer precise weight-based settings and a dedicated defrost cycle; quick, uneven defrosting signals a weaker power output. Opt for a microwave with 1000 watts or more and reliable sensor cooking for predictable and effective results.
Design and installation type
Your choice between countertop and over-the-range hinges on your kitchen layout and needs. Countertop models offer flexibility and are typically simpler to install, suitable for most kitchens. Over-the-range units save counter space and often include ventilation and lighting, ideal for smaller kitchens or those seeking an integrated look.
For over-the-range models, ensure the venting system matches your kitchen’s setup – either recirculating or externally ducted. Stainless steel and black finishes are widely available and durable, so choose based on your aesthetic preference; seek models with clear, intuitive controls regardless of style.
Convenience features
Look for a user-friendly experience with convenience features. Pre-programmed options for common tasks like popcorn or potato heating significantly simplify operation. ‘Add 30 seconds’ or ‘Quick Minute’ buttons are invaluable for quick reheating without needing to navigate complex menus.
A clear, easy-to-read digital display and a responsive control panel prevent frustration. Prioritize microwaves with dedicated quick-start buttons and straightforward controls for daily use.
The best models integrate these features seamlessly, making everyday cooking tasks effortless.
Which Should You Choose?
- If you have a large family and frequently cook or reheat substantial meals, choose a microwave with a capacity of 2.0 cu. ft. or larger and at least 1200 watts of power.
- If you prioritize even cooking and preserving food’s flavor and nutrients, look for models with Inverter Technology or Smart Sensor features.
- If you have young children and want to prevent accidental use, select a microwave that explicitly offers a child lock feature.
- If you need a more compact option for smaller kitchens or households, consider microwaves around 1.2 cu. ft. capacity with 1000-1200 watts of power.
Quick Best Microwave 18 Inches Wide Buying Checklist
- Measure Your Space: Accurately determine the available width (exactly 18 inches) and height for your new microwave.
- Consider Capacity: Decide how much food you typically reheat or cook to choose an appropriate internal volume.
- Check Wattage: Higher wattage generally means faster cooking, so aim for models around 1000W or more.
- Evaluate Preset Functions: Look for common presets like popcorn, potato, or beverage that you’ll use regularly.
- Review Installation Type: Determine if you need a countertop model or an over-the-range unit with proper venting.
- Read User Reviews: Pay attention to feedback on reliability, ease of use, and overall cooking performance.
Frequently Asked Questions
What Is The Average Interior Capacity Of An 18-Inch Wide Microwave?
Microwaves with an 18-inch exterior width typically offer interior capacities ranging from 1.1 to 2.0 cubic feet. This size is suitable for reheating leftovers, cooking meals for one or two people, and accommodating standard-sized dishes like a 9×13 inch pan.
How Does Wattage Affect Cooking Performance In An 18-Inch Microwave?
Higher wattage translates to faster and more even cooking. Models around 1000 watts or more are generally recommended for efficient reheating and cooking, while lower wattages may require longer cooking times. Sensor cooking technology also helps optimize cooking based on food.
Are 18-Inch Microwaves Available In Convection Oven Options?
While primarily microwave ovens, some 18-inch wide models also incorporate convection capabilities. Convection features allow for baking, roasting, and browning, adding versatility beyond standard microwave functions. Check product specifications for this dual functionality.
What Is The Importance Of Turntable Size In An 18-Inch Microwave?
The turntable size, often around 10.5 to 13 inches in diameter, ensures food rotates evenly for consistent heating. A larger turntable accommodates bigger plates and allows for more uniform cooking results by preventing hot and cold spots.
What Are The Common Installation Types For Microwaves Around 18 Inches Wide?
Microwaves measuring 18 inches wide are primarily found as countertop models, offering easy placement and portability. Some over-the-range variants also exist within this size, integrating into your kitchen’s overhead hood system for space-saving benefits.
Final Words
Investing in the best microwave 18 inches wide can significantly streamline your kitchen tasks with convenient features and ample cooking space. These compact yet powerful appliances offer versatility for reheating, cooking, and defrosting, making meal preparation a breeze. Finding the right model ensures efficient performance and a perfect fit for your culinary needs.
