Best 18-Inch Wide Microwaves for Compact Kitchens and Small Spaces
Choosing an 18-inch wide microwave helps maximize counter space without sacrificing cooking power. This guide reviews five top models that fit compact layouts, offering features like sensor cooking, multiple presets, child locks, and eco modes. Each selection balances performance, safety, and ease of use for American homes, apartments, or office break rooms. Read on to compare key specs and practical considerations before you buy.
Summary of selected products:
- BLACK+DECKER EM720CB7 Digital Microwave Oven – 0.7 cu ft, 700W, push-button door, child safety lock.
- TOSHIBA ML-EM09PA(BS) Small Microwave – 0.9 cu ft, 900W, 6 auto menus, mute function, child lock.
- TOSHIBA EM131A5C-SS Countertop Microwave – 1.2 cu ft, 1000W, smart humidity sensor, 12 auto menus.
- Chefman Countertop Microwave Oven – 0.7 cu ft, 700W, 10 power levels, 6 presets, eco mode.
- TOSHIBA MM-EM07PA(BK) Small Microwave – 0.7 cu ft, 700W, 11 power levels, ChefDefrost, eco mode.
Black+Decker EM720CB7 Digital Microwave

The BLACK+DECKER EM720CB7 is a compact 0.7 cu ft microwave with 700 watts of power and 10 power levels. It includes pre-programmed buttons for popcorn, potato, pizza, frozen vegetables, beverages, and dinner plates, making quick meals easier. A 10-inch glass turntable, clock, and kitchen timer support daily use, while a child safety lock and interior light add safety and convenience for households with children.
Toshiba ML-EM09PA(BS) Small Microwave

This compact Toshiba model offers 0.9 cu ft capacity with 900 watts of microwave output and 1400-watt input. It features a Two-Step Child Lock for safer operation and six preset menus for quick meals like popcorn and pizza. Dimensions around 18.7 by 14.7 by 10.7 inches provide a slim footprint that still fits most 18-inch wide spaces.
Toshiba EM131A5C-SS Countertop Microwave

Powered by 1000 watts with 12.4-inch turntable, this 1.2 cu ft Toshiba model emphasizes Smart Sensor Technology that adjusts time and power based on humidity. It includes 12 auto menus, mute function, and an ECO mode, making it a versatile option for larger yet still compact kitchens thirsty for precision cooking.
Chefman Countertop Microwave Oven

The Chefman model offers 0.7 cu ft capacity and 700 watts with 10 power levels and six one-touch presets. It includes One-Touch Express Cook, Eco Mode, and a child safety lock, plus a mute button. Its compact design and straightforward digital controls suit small kitchens and desks in offices or dorms.
TOSHIBA Small Microwave MM-EM07PA(BK)

This Toshiba MM-EM07PA(BK) offers 0.7 cu ft capacity with 700 watts and 11 power levels. It includes ChefDefrost for faster defrosting and 9.6-inch turntable. With Eco Mode and 6 auto menus, it provides practical options for efficient, everyday microwaving in tighter spaces.
Buying Guide — Key Purchase Considerations
When selecting an 18-inch wide microwave, consider size compatibility, power, and ease of use. Below are essential factors and how they affect everyday performance.
- Size and footprint: An 18-inch-wide unit typically fits narrow counters or apartment kitchens. Check external width, height, and depth to ensure the model clears cabinets and doors. Internal capacity matters for plate sizes and dish stacking.
- Power and speed: Look for at least 700 watts for quick reheats, with higher wattage (900–1000W) for faster, more even cooking. Note the relationship between input versus output power when comparing models.
- Auto menus and sensors: Presets for common foods save time, while humidity or sensor cooking helps prevent overcooking. If you frequently reheat leftovers or cook vegetables, sensors can improve results.
- Controls and accessibility: Digital panels with clear labeling and large displays aid usability. Child locks and mute functions are useful for households with kids and shared spaces.
- Turntable and interior space: A 10–12 inch turntable supports most standard bowls and plates. Ensure interior height accommodates taller items if needed for reheating casseroles or mugs.
- Safety and durability: Features like a child safety lock, interior light, and sturdy door design contribute to long-term reliability in busy kitchens or offices.
- Energy and maintenance: Eco modes and easy-clean interiors reduce energy use and simplify maintenance. Look for interiors that resist staining and are simple to wipe down.
- Design and aesthetics: Stainless steel or black finishes align with common kitchen appliances. Some models offer quiet operation and mute modes for shared spaces.
Practical note: If your counter space is highly constrained, measure the available width and compare it to the external width spec of the chosen model. Also confirm clearance around the door to ensure easy access and opening in tight layouts.