Standard Over-the-Range Microwave Dimensions

On this page (9 sections)

1. What are standard over-the-range microwave dimensions?
2. Which measurements should you take before buying?
3. Does a 30-inch microwave fit a 30-inch opening?
4. How do height and depth affect fit?
5. Which model suits your measurements and cooking needs?
6. What else should you check besides the dimensions?
7. How should you set up and care for a replacement?
8. What mistakes cause a poor fit?
9. What standard over-the-range microwave dimensions should you choose?

Standard over-the-range microwave dimensions are about 30 inches wide, with height and depth varying by model. If you're searching for over the range microwave dimensions standard, start by measuring the cabinet opening, cooktop clearance, and available depth before choosing a replacement.

The word “standard” is a useful shopping shortcut, not a promise that every 30-inch model will fit your kitchen. Check the installation instructions for the exact unit, especially the required clearance above the range and the venting arrangement.

What are standard over-the-range microwave dimensions?

A common over-the-range microwave is about 30 inches wide, but there is no single standard height or depth. Compare the unit’s full dimensions with your space instead of assuming that a familiar width guarantees a fit.

The GE JVM3160RFSS is 29.87 inches wide, 16.12 inches high, and 15.56 inches deep. The Midea 1.7 cu ft model is 29.9 inches wide, 16.4 inches high, and 13.5 inches deep.

Capacity doesn't tell you the outside dimensions. Two models with similar widths can have different heights and depths, so compare the measurements that affect your cabinets, cooktop, and walkway.

Which measurements should you take before buying?

Measure opening width, opening height, usable depth, and cooktop clearance before narrowing your options. If trim, cabinets, or a nearby wall make the space uneven, record the smallest usable measurement.

Measure between the cabinets at both the top and bottom of the opening. For height, measure from the cabinet underside to the cooking surface, then compare that distance with the clearance required in the microwave and range instructions.

Measure depth from the back wall to the nearest obstruction, such as a cabinet edge or doorway. Plan for the open door as well as the closed appliance, since the door can affect cabinets, nearby counters, and movement through the kitchen.

If you're replacing a microwave, photograph or note its mounting and vent setup before removing it. For a wider opening, see over-the-range microwaves for a 36-inch opening; for related size questions, use the sizes and capacity guide.

Does a 30-inch microwave fit a 30-inch opening?

A microwave described as 30 inches wide may fit a 30-inch cabinet space, but check the exact width and installation requirements first. A close measurement can still leave too little room for mounting or required clearances.

Compare the unit’s stated width with your measured opening. The GE JVM3160RFSS, for example, is 29.87 inches wide, so a nominal 30-inch label alone wouldn't tell you whether the rest of the installation works.

Don't assume you can safely center a microwave or cover a gap with trim. Check the installation guide for support, mounting hardware, and required clearances before you decide.

How do standard over-the-range dimensions compare with 24-inch models?

A 24-inch model is narrower than the common 30-inch size, so check its mounting and surrounding space before treating it as a replacement. The narrower body may suit a compact opening, but may leave unused space in a wider one.

The GE 24-inch model measures 23.81 inches wide, 17 inches high, and 16.38 inches deep. Choose it when the narrower width fits your kitchen plan and its installation requirements work for the available height and depth.

A 24-inch unit won't fill a 36-inch opening by itself. Read the 36-inch opening guide to consider how to handle the width before choosing a model.

How do height and depth affect fit?

Height determines how much room the microwave uses above the range, while depth affects how far it projects into the kitchen. These measurements can rule out a model even when its width matches.

The Midea low-profile option measures 29.9 inches wide, 10.3 inches high, and 18.2 inches deep. That shorter height can suit a tight overhead space, while its greater depth calls for careful checks against nearby counters and walkways.

A low-profile unit is a strong choice when overhead space is the main constraint. Skip it if the deeper body would obstruct a walkway or if you need more interior capacity than its 1.2 cu ft provides.

Compare styles in low-profile versus regular microwaves above the stove. If cooktop clearance is your main concern, see how many inches should be between a microwave and range.

Which model suits your measurements and cooking needs?

Choose among the models here by matching their dimensions to your opening, then use capacity and features to make the final call. The GE JVM3160RFSS is a practical reference for a near-30-inch opening, while the Midea 1.7 cu ft model gives you more interior capacity in a similar width.

The GE's 1.6 cu ft capacity, one-touch controls, turntable on/off feature, and 300 CFM two-speed ventilation suit households that want familiar everyday controls and ventilation in one unit. Skip it if its 16.12-inch height or 15.56-inch depth conflicts with your measurements.

The Midea 1.7 cu ft model suits shoppers who want more room inside for large dishes, including a 12-inch pizza or rotisserie chicken. Its 300 CFM fan and 18 auto menus also support varied everyday cooking; skip it if a 16.4-inch height or 13.5-inch depth won't work in your kitchen.

Choose the low-profile Midea for a tight overhead space if its 18.2-inch depth is manageable. The 24-inch GE suits a narrower opening and offers sensor cooking.

Its width may leave a gap in a common 30-inch space, so compare the exact setup before ordering either model.

What else should you check besides the dimensions?

Check mounting, venting, electrical access, and cooktop clearance along with the outside measurements. A microwave that fits the opening still needs a compatible installation plan.

Find out whether the kitchen exhausts air outdoors or recirculates it, then check which vent arrangements the microwave supports. The GE 1.6 cu ft model includes a replaceable charcoal filter.

The GE 24-inch model supports recirculating and venting options with a charcoal filter included. Learn more in how over-the-range microwaves are vented.

Compare the mounting plate and bracket locations with the replacement instructions, and confirm that the electrical outlet is accessible as required. For help with the installation process, follow the planning steps for installing an over-the-range microwave.

How should you set up and care for a replacement?

Use the model’s installation instructions to set the mounting height, secure the support, connect the vent, and position the unit. Over-the-range microwaves are heavy, so plan for the required help and tools before lifting one into place.

If your unit recirculates air, check its filter instructions and keep the filter clean or replace it as directed. For grease filters and routine care, see how to clean over-the-range microwave filters.

Keep the interior, door, and cooktop area clean with methods approved by the manufacturer. Follow the instructions for the turntable and filter, and avoid blocking the vent openings during cooking.

What mistakes cause a poor fit?

The most common mistake is buying by width alone. Height, depth, cooktop clearance, mounting points, vent direction, and door swing can all affect whether a microwave works in your kitchen.

Another mistake is assuming that the replacement will use the old mounting plate or vent without changes. Compare the new unit’s installation requirements with the current setup before removing the old appliance.

Finally, don't treat a low-profile body as a shallow body. The Midea low-profile option is shorter than the other examples, but deeper, so measure both directions before choosing it.

What standard over-the-range microwave dimensions should you choose?

For standard over-the-range microwave dimensions, start with about 30 inches wide, then let your measured height, depth, and clearance decide which model fits. Choose the GE JVM3160RFSS for a near-30-inch option with everyday controls, the 1.7 cu ft Midea when interior room matters, the low-profile Midea when overhead height is tight, or the 24-inch GE for a narrower opening.

Measure twice, check the installation instructions, and confirm venting and mounting before you order. If the opening is wider than 30 inches or you're replacing an older unit, use the 36-inch opening guide or the replacement measurement guide to plan the fit.

Frequently asked questions

What is the standard width of an over-the-range microwave?

About 30 inches is a common width for an over-the-range microwave, but models vary. Measure the opening between cabinets and compare it with the microwave's exact width, plus any installation clearances in the instructions.

A 24-inch model may suit a narrower opening, while a 36-inch opening needs a plan for the extra space.

How deep is a standard over-the-range microwave?

There is no single depth to rely on. Measure from the wall to the nearest obstruction, then compare that space with the microwave's depth and account for the open door.

Check nearby cabinets and walkways too, since a unit can fit the opening yet project into a path.

How much space should be between a microwave and a range?

Follow the clearance required by both appliance manufacturers and local code where applicable. The right distance depends on the appliances and installation, so don't choose a model based on a general rule alone.

Measure from the cooktop to the microwave's bottom and review the installation instructions before buying.

Can I replace a 30-inch over-the-range microwave with another 30-inch model?

Possibly, but matching width doesn't confirm a fit. Compare height, depth, mounting points, vent direction, electrical access, and required cooktop clearance.

Our guide to over-the-range microwave replacement covers the measurements and setup details to check.