Comparison: Best 40L Microwave (Updated | Dec 8th)
Looking for the **best 40L microwave** to upgrade your kitchen game? Whether you’re reheating leftovers, defrosting frozen meals, or cooking for a crowd, a 40L model offers the perfect blend of size and power. But with so many options out there, how do you know which one truly delivers? We’ve tested top models, comparing features like wattage, presets, ease of use, and design, so you don’t have to guess. Let’s break down the top contenders and help you find the ideal fit for your cooking style and space.
- Best for inverter heating: TOSHIBA ML-EM45PIT(BS) Countertop Microwave Oven with Inverter Technology
- Best for position memory: TOSHIBA ML-EM45P(BS) Countertop Microwave Oven with Smart Sensor and 13.6″ Removable Position Memory Turntable
- Best for removable turntable: TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu Ft
- Best for spacious power: GE Countertop Microwave Oven
- Best for compact power: GE Countertop Microwave Oven
- Best for led simplicity: Farberware 1.1 Cu. Ft. Countertop Microwave Oven – 1000 Watts Power
- Best for compact convenience: TOSHIBA ML-EM09PA(BS) Small Microwave Oven with 6 Auto Menus
- Best for space saver: GE Countertop Microwave Oven
- Best for stainless sensor: TOSHIBA EM131A5C-SS Countertop Microwave Ovens 1.2 Cu Ft with 12.4″ Removable Turntable Smart Humidity Sensor
- Best for air fry fusion: GE GCST10A1WSS 1.0 Cu Ft Convection Microwave Oven
Product Comparison: Best 40L Microwave
TOSHIBA ML-EM45PIT(BS) Countertop Microwave Oven with Inverter Technology, Kitchen Essentials, Smart Sensor, Auto Defrost, 1.6 Cu.ft, 13.6″ Removable Turntable, 33lb.&1250W, Black Stainless Steel

- Two-Step Child Lock: This mandatory safety feature helps prevent unintended use by younger family members, plesase open the machine according to the steps shown in the figure.
- Specification: With output power 1250 watts, input power 1350 watts. External dimensions 21.8x 19.2x 12.9 inches (WxDxH); internal dimensions 15.5×17.0x 10.2 inches (WxDxH); includes 13.6 inch glass turntable
- Origin Inverter Technology: This microwave oven with inverter technology, provides even heating and defrosting, enables faster cooking and more satisfying user experience.
- 6 Smart Sensor Auto Menus: Pre-programmed sensor menus for optimum heating of popular foods like pizza, potato, vegetables and more. Smart sensor will automatically adjust power and keeps food texture.
- Sound On/Off Function: If you wish to mute the buzzer of the microwave, pleas long press on the button “8” for 3-5 seconds. The buzzer is automatically switched off after a long beep.
- Quick Start Button One touch quick access to start the countertop microwave from 1 to 3 minutes cooking at full power
- First Use Tips The microwaves keypad is covered by a protective film during shipment. Please peel it off before first use. 1 year limited warranty, please keep the packaging for contacting Toshiba after sales service and product returns.
TOSHIBA ML-EM45P(BS) Countertop Microwave Oven with Smart Sensor and 13.6″ Removable Position Memory Turntable, Sound On/Off Function, 1200W, 1.6 Cu.ft, Black Stainless Steel

- 【Better texture with sensor menus 】This 1200-watt high power countertop microwave with 10 power levels includes a pre-programmed sensor menu for optimum heating of popular foods like pizza, potato, vegetable and more
- 【Large Capacity for a Family Size】1.6 cu. ft. capacity ; 13.6″ turntable; fitting a 13inch pizza; with one touch popcorn button as kitchen essential
- 【Position Memory Turntable】 Innovative position-memory technique resets the turntable to the initial position for more convenient and safer use
- 【Convenience Features】Auto defrost, fast cooking, memory function, multi-stage cooking, child safety lock, clock and kitchen timer
- 【Sound On/Off Function】If you wish to mute the buzzer of the microwave, please long press on the button “8” for 3-5 seconds; The buzzer is automatically switched off after a long beep.
- 【Stylish Design for Kitchen】Stylish black stainless-steel finish adds the perfect look in every kitchen
- 【Product Specs】External dimension (WxDxH): 21.77″x17.91″x12.87″, internal dimension (WxDxH): 15.51″x17.05″x10.24″,13.6″position memory turntable
- 【First Use Tips】The keypad is covered by a protective film during shipment; Please peel it off before first use.
TOSHIBA EM131A5C-BS Countertop Microwave Ovens 1.2 Cu Ft, 12.4″ Removable Turntable Smart Humidity Sensor 12 Auto Menus Mute Function ECO Mode Easy Clean Interior Black Color 1000W

- Microwave output power 1000 watts, input power 1600 watts. External dimensions 20.6 x 16.0 x 11.8 inches (WxDxH); internal dimensions 13.1 x 12.4 x 8.3 inches (WxDxH); includes 12.4-inch glass turntable.
- Smart Sensor Technology for Optimal Cooking: Automatically adjusts cooking time and power based on food humidity, ensuring perfectly cooked meals every time. Say goodbye to overcooked or undercooked dishes.
- 6 Preset Menus: This countertop microwave features 6 preset menu options for popular foods like pizza, veggle, sensor reheat and more.
- 10 Unique Power Levels with clock and kitchen timer: Tailor your cooking power levels for greater culinary flexibility, making it an essential kitchen tool. Perfect for everything from deodorization to boiling liquids.
- Easy Defrost & One touch start: Defrost your frozen food by weight or by time. Quick access to start the microwave from 1 to 6 minutes cooking at full power.
- Mute Mode: If yout want to mute the buzzer of the microwave, please long press on the button “8” For 3-5 seconds. The buzzer is automatically switched off after a long beep.
GE Countertop Microwave Oven,1, 200-watt Capacity, 2.0 Cubic Ft., 8 Auto Setting Cooking Settings, Child-Lock Technology, Kitchen Essentials for the Countertop, Dorm Room or Apartment, Stainless Steel

- TWO-STEP CHILD LOCK: This mandatory feature helps prevent unintended use by younger family members, with the option to deactivate it if not needed.
- COMPACT YET POWERFUL: 1200watts of power and 2.0 CU. FT. inside allow for effective, efficient cooking while not taking up valuable kitchen space; glass turntable rotates for optimum cooking
- SENSOR COOKING CONTROLS: Automatically adjusts time and power for delicious cooking results
- WEIGHT AND TIME DEFROST: Simply enter the weight of the food, and the oven automatically sets the optimal defrosting time and power level or set your desired time for defrosting
- CONVENIENT CONTROLS: Simple, one-touch operation with Instant On express cooking controls and multiple cooking modes; kitchen timer, and cooking complete alarms add convenience
GE Countertop Microwave Oven, 1,150-watt Capacity, 1.6 Cubic Ft., 8 Auto Setting Cooking Settings, Child-Lock Technology, Kitchen Essentials for the Countertop, Dorm Room or Apartment, Stainless Steel

- TWO-STEP CHILD LOCK: This mandatory feature helps prevent unintended use by younger family members, with the option to deactivate it if not needed.
- COMPACT YET POWERFUL: 1150 watts of power and 1.6 CU. FT. inside allow for effective, efficient cooking while not taking up valuable kitchen space; glass turntable rotates for optimum cooking
- SENSOR COOKING CONTROLS: Automatically adjusts time and power for delicious cooking results
- WEIGHT AND TIME DEFROST: Simply enter the weight of the food, and the oven automatically sets the optimal defrosting time and power level or set your desired time for defrosting
- CONVENIENT CONTROLS: Simple, one-touch operation with Instant On express cooking controls and multiple cooking modes; kitchen timer, and cooking complete alarms add convenience
Farberware 1.1 Cu. Ft. Countertop Microwave Oven – 1000 Watts Power, Auto Cook Settings, Defrost, Easy Clean and Child Safety Lock – Stainless

- CONVENIENT MICROWAVE: Prepare quick and easy meals in a snap with our powerful microwave. It packs 1000 of output power and features a range of settings for press-and-go speed.
- POWERFUL SETTINGS: This microwave has ten power levels with multi-stage cooking. You can fully customize your cooking with six one-touch options, including popcorn, potato, and pizza. Defrost by weight or by time settings to make quick work of any task.
- PERFECT SIZE: Measuring 1.1 cu ft, this microwave is the ideal small-space solution that offers full-sized cooking in a compact space. It features an easy-to-clean interior and exterior and is perfect for the home or office.
- ALL YOU NEED: This microwave has a clear LED display with a kitchen timer and clock that lets you easily keep track of time. Easy-to-view interior lighting lets you keep an eye on your dish, and a child safety lock adds additional security.
- FARBERWARE: From weeknight favorites to family feasts they’ll never forget, Farberware helps today’s families craft the meals that make memories and bring everyone together.
- 1 through 6-minute Express Cooking quick start controls and Add 30-Seconds control
TOSHIBA ML-EM09PA(BS) Small Microwave Oven with 6 Auto Menus, Mute Function & Child Lock, LED Lighting, Perfect for Apartment, 0.9 Cu Ft, 10.6 Inch Removable Turntable, 900W, Black Stainless Steel

- Two-Step Child Lock: This mandatory safety feature for microwaves helps prevent unintended use by younger family members, plesase open the machine according to the steps shown in the figure.
- Microwave output power 900 watts, input power 1400 watts. External dimensions 18.7x 14.7x 10.7 inches (WxDxH); internal dimensions 12.1 x 10.9 x 7.6 inches (WxDxH); includes 10.6-inch glass turntable.
- 6 Preset Menus: This compact microwave features 6 preset menu options for popular foods like popcorn, pizza, potato and more.
- 11 Unique Power Levels with clock and kitchen timer: Tailor your cooking power levels for greater culinary flexibility, making it an essential kitchen tool. Perfect for everything from deodorization to boiling liquids.
- Easy Defrost & One touch start: Defrost your frozen food by weight or by time. Quick access to start the microwave from 1 to 6 minutes cooking at full power.
- Mute Mode: If you wish to silence the beeping sound that signals the end of cooking, please long press on the button “8” For 3-5 seconds. The buzzer is automatically switched off after a long beep.
GE Countertop Microwave Oven, Compact 1.1 Cubic Ft., 950-watt Capacity, 6 Auto Cooking Settings, Child-Lock Technology, Kitchen Essentials for the Countertop, Dorm Room or Apartment, Stainless Steel

- TWO-STEP CHILD LOCK: This mandatory feature helps prevent unintended use by younger family members, with the option to deactivate it if not needed.
- SPACE-SAVING EXTERIOR, SPACIOUS INTERIOR: 950 watts of power and 1.1 cu. ft. inside allow for effective, efficient cooking while not taking up valuable kitchen space; glass turntable rotates throughout cycles for optimum cooking
- CONVENIENT CONTROLS: Simple, one-touch operation with convenience cooking controls; kitchen timer, child lock controls and cooking complete alarms add convenience
- WEIGHT & TIME DEFROST – Simply enter the weight of the food, and the oven automatically sets the optimal defrosting time and power level or set your desired time for defrosting
- EASY SET UP: Freestanding microwave fits easily on countertop or open shelf, with 39inch power cord
TOSHIBA EM131A5C-SS Countertop Microwave Ovens 1.2 Cu Ft with 12.4″ Removable Turntable Smart Humidity Sensor, 12 Auto Menus Mute Function ECO Mode Easy Clean Interior, 1000W, Silver

- Microwave output power 1000 watts, input power 1600 watts. External dimensions 20.6 x 16.0 x 11.8 inches (WxDxH); internal dimensions 13.1 x 12.4 x 8.3 inches (WxDxH); includes 12.4-inch glass turntable.
- Smart Sensor Technology for Optimal Cooking: Automatically adjusts cooking time and power based on food humidity, ensuring perfectly cooked meals every time. Say goodbye to overcooked or undercooked dishes.
- 6 Preset Menus: This countertop microwave features 6 preset menu options for popular foods like pizza, veggle, sensor reheat and more.
- 10 Unique Power Levels with clock and kitchen timer: Tailor your cooking power levels for greater culinary flexibility, making it an essential kitchen tool. Perfect for everything from deodorization to boiling liquids.
- Easy Defrost & One touch start: Defrost your frozen food by weight or by time. Quick access to start the microwave from 1 to 6 minutes cooking at full power.
GE GCST10A1WSS 1.0 Cu Ft Convection Microwave Oven, 1050W Countertop Air Fry Microwave with Broil & Crisper Pan, Compact Stainless Steel Design

- COMPACT YET POWERFUL: This 1,050-watt & 1.0 CU FT. compact microwave offers the perfect balance of size and convenience, designed to fit perfectly in dorm rooms, offices and kitchens alike
- AIR FRY MODE: Enjoy healthier, crispier versions of your favorite foods with the built-in air fryer that delivers fast, perfectly browned results
- CONVECTION MODE: Enjoy perfectly even browning using convection technology and an elevated rack that lets hot air flow around your food for consistent results
- BROIL MODE: Built-in broiler radiates high heat to sear, caramelize, and finish foods just like a traditional grill rack
- PRESET CONTROLS: Use microwave preset controls like Fries and Nuggets to make operation quick and easy, while ensuring precisely cooked results
- TWO-STEP CHILD LOCK: This mandatory feature helps prevent unintended use by younger family members, with the option to deactivate it if not needed
- GLASS TURNTABLE: Rotates food throughout the cycle for even through cooking of food
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Buying Guide
FAQs
How do I decide the right microwave capacity for my kitchen?
Capacity is measured in cubic feet; a 1.0‑1.2 cu ft model fits well in apartments or small kitchens, while 1.6‑2.0 cu ft units accommodate larger families and bigger dishes like 13‑inch pizzas. Consider the typical portion sizes you prepare and the countertop space you have. A larger interior also means more flexibility for multi‑stage cooking and defrosting.
What are the main differences between Toshiba and GE microwave models?
Toshiba units often highlight Inverter technology and a 13.6‑inch turntable, delivering smoother heating and faster cooking at 1200‑1250 W. GE models focus on compact designs with 950‑1200 W power and include features like weight‑based defrost and a two‑step child lock. Both brands provide sensor cooking, but Toshiba typically offers more preset menus, while GE emphasizes simplicity and space‑saving dimensions.
Is inverter technology worth the extra cost?
Inverter technology supplies continuous, variable power, which reduces hot spots and preserves food texture, especially for delicate items like fish or reheated leftovers. It also speeds up cooking times compared to traditional on‑off cycling. If you frequently use the microwave for a variety of dishes, the smoother results can justify the higher price.
How important are child lock and safety features?
A two‑step child lock prevents accidental activation, which is crucial in homes with young children. Most models, including Toshiba and GE, offer this feature along with mute options for the buzzer. While it adds a small cost, the peace of mind and compliance with safety standards make it a valuable addition.
Which microwave offers the best value for high‑power cooking?
The Toshiba ML‑EM45PIT provides 1250 W output, a large 1.6 cu ft interior, and six smart sensor menus, delivering strong performance at a competitive price. GE’s 2.0 cu ft model offers similar power (1200 W) with a slightly larger cavity but fewer preset options. For pure cooking power and feature set, the Toshiba model generally offers the best overall value.
Do sensor cooking and preset menus really improve results?
Sensor cooking automatically adjusts time and power based on food humidity, reducing the risk of over‑ or under‑cooking. Preset menus simplify common tasks like popcorn, pizza, or vegetables, allowing one‑touch operation. Users report more consistent textures and faster preparation, especially when cooking unfamiliar items.
How does an air‑fry/convection microwave compare to a standard microwave?
Air‑fry and convection modes add hot‑air circulation, enabling browning, crisping, and even baking that a regular microwave cannot achieve. The GE GCST10A1WSS combines a 1.0 cu ft cavity with a 1050 W microwave, an air‑fry function, and a broil setting, offering versatile cooking in a compact footprint. If you want to replace a separate countertop oven or toaster oven, a convection microwave provides greater flexibility at the cost of a slightly higher price.