Re-measure the boundary
Check the narrowest point, trim, hinges, baseboards, wall variation, or obstruction that can reduce the usable space below the headline measurement.
Dimension-qualified shortlist
3 products that meet the limit
Sorted from smallest to largest by width. Dimensions and retailer availability can change, so verify the exact model before ordering.
Affiliate disclosure: As an Amazon Associate, Small Space Buyer earns from qualifying purchases. This does not change the price you pay.
| Product | Exterior dimensions | Capacity | Setup |
|---|---|---|---|
| Midea MMC07S2AWW17.03 in. width | 17.03 W × 12.79 D × 10.19 H in. | 0.7 cu. ft. | Allow manufacturer-specified ventilation clearance |
| COMFEE' EM720CPL-PMB17.3 in. width | 17.3 W × 13 D × 10.2 H in. | 0.7 cu. ft. | Allow manufacturer-specified ventilation clearance |
| BLACK+DECKER EM720CB717.3 in. width | 17.3 W × 13 D × 10.2 H in. | 0.7 cu. ft. | Allow manufacturer-specified ventilation clearance |
Use the shortlist correctly
This filter answers one question—not the whole fit.
Every product here meets the published width limit of 18 inches. Use the shortlist as the first pass, then confirm the complete opening, operating position, access path, and setup before ordering.
Map the product in use
Add doors, lids, drawers, baskets, hoses, cords, ventilation, loading room, and the body space needed to use the product safely.
Verify the exact setup
Open the linked specification source and manual for the exact model. Confirm utilities, mounting, stability, delivery, and any building or lease rules.
#1 · 17.03 in. widthMidea · MMC07S2AWW
Midea MMC07S2AWW 0.7 Cu. Ft. Compact Countertop Microwave, 700W, Express Cook, White
Best for: The smallest microwave footprint and simple reheating
- Exterior size
- 17.03 W × 12.79 D × 10.19 H in.
- Capacity
- 0.7 cu. ft.
- Setup
- Allow manufacturer-specified ventilation clearance
- Verified
- August 30, 2026
#2 · 17.3 in. widthCOMFEE' · EM720CPL-PMB
COMFEE' EM720CPL-PMB 0.7 Cu. Ft. Countertop Microwave, 700W, Sound On/Off and ECO Mode
Best for: Budget-conscious shoppers who want a compact microwave with a mute option
- Exterior size
- 17.3 W × 13 D × 10.2 H in.
- Capacity
- 0.7 cu. ft.
- Setup
- Allow manufacturer-specified ventilation clearance
- Verified
- August 30, 2026
#3 · 17.3 in. widthBLACK+DECKER · EM720CB7
BLACK+DECKER EM720CB7 0.7 Cu. Ft. Digital Countertop Microwave with Turntable, 700W
Best for: A familiar stainless-look compact microwave for light daily use
- Exterior size
- 17.3 W × 13 D × 10.2 H in.
- Capacity
- 0.7 cu. ft.
- Setup
- Allow manufacturer-specified ventilation clearance
- Verified
- August 30, 2026
Beyond the headline number
Confirm the complete working fit
Measure the plug and rear gap
Add the cord, plug, and required rear clearance to cabinet depth. Keep all appliance feet fully supported on the counter.
Check the everyday plate
Compare turntable diameter and usable cavity height with the dishes and containers you actually heat.
Balance power with footprint
Very compact microwaves often use lower cooking wattage. Decide whether slower reheating is an acceptable trade for the smaller exterior.
Dimension questions
Microwaves 18 Inches Wide or Less: FAQ
What capacity are most microwaves 18 inches wide or less?
The matches in this catalog are compact 0.7-cubic-foot models, but exterior and interior dimensions still vary by design.
Can a narrow microwave sit inside a shelf?
Only when the shelf supports it and the placement follows the manufacturer's ventilation, electrical, and clearance instructions.
Is 700 watts enough for reheating?
It can handle common reheating tasks, but cooking may take longer than in higher-wattage models and package directions may require adjustment.
Need a different limit?