Guide

What Size Microwave Do I Need?

Updated on · By the Pastel Horn team

The right microwave size depends on the dishes you use and the space you have. Measure your largest plate, the counter area, and the clearance around the appliance before choosing a capacity.

On this page (7 sections)
  1. What size microwave do I need for everyday use?
  2. How should I match microwave capacity to household needs?
  3. How do I check whether my dishes will fit?
  4. How much counter space should I leave?
  5. Should I choose a compact or large microwave?
  6. What else should I compare besides size?
  7. How do I choose the right microwave size?

The right microwave size depends on the dishes you use and the space you have. Measure your largest plate, the counter area, and the clearance around the appliance before choosing a capacity.

A bigger interior can fit wider dishes, but the microwave also takes up more counter space. Start with measurements, then choose the smallest capacity that handles your regular meals.

What size microwave do I need for everyday use?

For everyday use, choose a microwave that fits your largest dish and your usual portions while leaving enough room on the counter. Capacity is a useful starting point, but it doesn't tell you whether a particular plate will fit.

A compact model can suit reheating drinks, single portions, and small dishes. A mid-size model gives you more room for wider plates and larger bowls, while a large model can be useful for family portions or serving dishes.

Think about what you heat most often. If you usually use a dinner plate, measure it; if you reheat food in tall containers, check the interior height too.

How should I match microwave capacity to household needs?

Use household size as a rough guide, then check your cookware and meal portions. One person may need a larger microwave for broad plates, while a family may use a compact model for drinks and small snacks.

The Sharp SMC2266KS 2.2 Cu Ft Microwave has a 16.5 in turntable and outside dimensions of 24.4 x 19.6 x 13.6 in.

It has 1200 watts, sensor cooking, and a white LED display. Its larger footprint needs more counter area, so measure your space before choosing it.

For a smaller capacity, the BLACK+DECKER 1.1 Cu Ft 1000W Microwave has a 12.4 in removable glass turntable and measures 20.6 x 14.8 x 11.8 in.

Its outside footprint is wider and deeper than the 0.9 cu ft model, so measure the available counter space. See how big a 1.1 cubic foot microwave is for more on that capacity.

How do I check whether my dishes will fit?

Measure the widest dish you plan to use and compare it with the turntable diameter. Allow extra room for the dish to rotate without rubbing against the walls.

For square or rectangular dishes, measure both sides and check the microwave's interior width and depth. A round turntable can limit the size of a wide rectangular dish even when the interior seems roomy.

The BLACK+DECKER 1.4 Cu Ft 1000W Microwave includes a 12.4 in removable glass turntable and measures 20.4 x 16.7 x 12.4 in.

The capacity is larger than the 1.1 cu ft option, but both have a 12.4 in turntable. Don't assume the larger capacity will fit a wider plate; compare the plate with the turntable and check the interior shape.

For a plate-by-plate guide, see what size microwave fits a dinner plate.

What does microwave capacity tell me?

Capacity, measured in cubic feet, describes the interior volume, not the size of every dish that can fit. Turntable diameter and interior width, depth, and height affect whether your cookware works.

Use capacity to compare general room inside the microwave. Use the interior and turntable measurements to make the final fit decision.

How much counter space should I leave?

Measure the microwave's full outside width, depth, and height, then account for the ventilation clearances in its manual. A unit that fits the counter footprint may still be too close to a wall or cabinet for safe operation.

Check the door swing as well. Leave enough room to open the door and remove a hot dish without hitting a backsplash, cabinet handle, or nearby appliance.

The BLACK+DECKER 0.9 Cu Ft Microwave measures 18.7 in wide, 13.4 in deep, and 10.7 in high. Its removable glass turntable is 10.6 in across.

Measure the counter before choosing a model. You can compare more options in our guide to best large countertop microwaves.

Should I choose a compact or large microwave?

Choose compact when counter space is tight and your dishes are small; choose large when you regularly heat broad dishes or family portions. The right fit is the smallest microwave that handles the cookware and meals you use.

A compact model can leave more usable counter space, but a large bowl or plate may not fit. See our best compact microwaves for tight counters if space is your main limit.

A larger model gives you more interior volume and may accommodate wider dishes. Check the outer dimensions too, since a bigger microwave can crowd the counter even when its capacity seems useful.

What else should I compare besides size?

Compare power, controls, and turntable size after confirming the microwave fits. These features affect daily use, but they don't replace measuring the dishes or counter.

For example, the 0.9 cu ft BLACK+DECKER has 900 watts, while the 1.1 and 1.4 cu ft BLACK+DECKER models have 1000 watts. The Sharp 2.2 cu ft model has 1200 watts and sensor cooking.

If quicker reheating is a priority, see our guide to best 1000 watt microwaves. For a broader checklist of features and fit, read how to choose a countertop microwave.

How do I choose the right microwave size?

To decide what size microwave you need, measure your largest dish, check the turntable, and confirm counter clearance. Then pick a capacity that matches your normal portions without taking more space than you can spare.

Choose 0.9 cu ft for smaller dishes and a smaller footprint, or consider 1.1 to 1.4 cu ft when you need more capacity. Choose 2.2 cu ft for larger dishes only if its 24.4 x 19.6 in footprint works on your counter.

For a direct comparison of wide-interior choices, visit best large countertop microwaves.

Frequently asked questions

What size microwave is best for one person?

A compact microwave may suit one person if it fits the dishes and portions you use. Check the turntable diameter and interior space against your largest plate or bowl, then measure the counter and door clearance.

Household size is only a rough guide; your cookware matters more.

Is a 1.1 cubic foot microwave big enough?

A 1.1 cubic foot microwave can work for everyday reheating if your dishes fit its turntable and interior. Measure a plate across its widest point and compare it with the turntable size, allowing room for the plate to rotate.

Check the outside dimensions against your counter too.

How do I know if a microwave will fit on my counter?

Measure the counter's usable width and depth, then compare them with the microwave's outside dimensions. Leave the ventilation clearance required by the manual, and check that the door can open without hitting a wall or cabinet.

Also measure the route through doorways if the appliance must pass through them.

Does a larger microwave need more counter space?

Usually, a larger capacity model has a larger outer footprint, but compare the actual width, depth, and height because designs vary. Measure your counter and the required ventilation space rather than relying on cubic feet alone.

A large turntable may also help fit wider dishes.