How to measure your space for a refrigerator

Here is how to measure for a refrigerator: measure the finished opening, not the old refrigerator. Keep the smallest measurements where surfaces vary.

This guide explains how to measure space for a refrigerator and how to measure for a refrigerator size using actual refrigerator dimensions, rather than advertised size alone.

Tools you’ll need

A tape measure, a level or straightedge, and somewhere to record measurements. Use inches for the ExactFit calculator.

Front-view refrigerator opening measurementsWidth is measured between finished side surfaces at three heights. Height is measured from finished floor to the underside of the upper cabinet at three positions. Depth is measured separately from the back wall to the cavity front.Finished floorUnderside of cabinet← finished width →height

1. Measure width in three places

Measure between finished side surfaces at the bottom, counter height, and top. Include trim or other projections that narrow the opening. Record the smallest width.

2. Measure height in three places

Measure from the finished floor to the lowest overhead cabinet or trim at the left, center, and right. Keep the smallest height. Uneven flooring can change clearance.

3. Measure usable cavity depth

Measure from the finished back wall to the front of the enclosure. Record baseboards, outlets, valves, and tubing separately: they may reduce usable depth or require a different installation arrangement. Doors and handles commonly project beyond the cavity.

4. Record nearby walls and hinge side

Note whether a wall extends beyond the cabinet front, which side it is on, and where the refrigerator hinges will be. Opening a door to 90 degrees does not necessarily permit drawer or bin removal.

5. Check traffic and island clearance

Measure the space in front of the refrigerator to an island or opposite cabinets. Compare handle projection and door-open depth separately. The three-field cavity calculator does not evaluate this space.

6. Measure the delivery path

Record clear doorway width and height, hallways, stairs, and turns from the entrance to the kitchen. A cavity fit does not establish that the appliance can be maneuvered along that path. Ask the installer to verify difficult turns and permitted door removal.

Actual size and installation space

A “36-inch” refrigerator is a nominal class, not a promise that it fits every 36-inch opening. Installation clearances provide ventilation or required operating space. Compare the actual dimensions plus the applicable published allowances, or the manufacturer’s stated cutout.

Read the fit methodology →

Use your measurements

Enter the finished opening below. The calculator transfers these values within this tab, without sending them to analytics.

Enter your finished opening

How to measure your opening

Measurements stay in this tab’s session storage. They are not sent to analytics.