Guides / Appliances · Updated

Microwave dimensions

Sizes from the makers' spec sheets. Check the sheet for your model before you build around it.

Short answer

An over-the-range microwave is 29⅞ in wide and about 16½ in tall, built for a 30 in gap between cabinets. Countertop microwaves run 17⅜ in to 24 in wide. Sharp's drawer microwaves come 24 and 30 in wide.

Over-the-range microwave dimensions

MicrowaveWidthHeightDepthCapacity
Samsung ME16A4021AS29⅞ in16½ in15⅛ in1.6 cu ft
Samsung ME11A7710DS29⅞ in10¾ in19⅛ in1.1 cu ft

Samsung and LG both want a 30 in wide space between the cabinets. LG's sheet puts the cabinet above at 13 in deep. Hang the bottom of that cabinet at least 66 in off the floor.

Short on height? The slim Samsung is only 10¾ in tall, but it's 19⅛ in deep. The microwave over the range calculator checks your gap.

Countertop microwave dimensions

MicrowaveWidthHeightDepthCapacity
GE JES1072SHSS17⅜ in10¼ in12¾ in0.7 cu ft
Panasonic NN-SN686S20¾ in12¼ in15⅞ innot listed
GE JES1460DSBB21⅞ in12½ in16⅜ in1.4 cu ft
GE JES2251SJ24 in13¾ in19½ in2.2 cu ft

The ones we checked run 10¼ in to 13¾ in tall and 12¾ in to 19½ in deep. Bigger capacity means a bigger box.

Building one into a cabinet takes a trim kit. Panasonic's kit for the NN-SN686S needs an opening 25½ in wide, 15⅜ in tall and 21 in deep.

Microwave drawer dimensions

DrawerOutsideCutout
Sharp SMD2470AS23⅞ in W x 15⅞ in H x 23 in D22⅛ in W x 15⅝ in H x 23½ in D
Sharp SMD3070AS30 in W x 15⅞ in H x 23 in D28½ in W x 15⅝ in H x 23½ in D

A drawer goes in a base cabinet under the counter. Sharp's 24 and 30 in drawers hold the same 1.2 cu ft. The 30 in one needs a wider hole.

Where the numbers come from

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