How to Measure Shower Pan Sizes How to Measure Shower Pan Sizes

What You'll Need
Measuring tape
Notebook
Pen

Before you install a shower into your bathroom, you will need to take measurements of the different shower pan sizes in order to ensure that they fit your shower area. Shower pans not only extend horizontally, but they also dip down towards a drain pan, so you will need to measure that as part of your calculations. If you are unsure how to measure shower pan sizes, follow a few simple rules to get the job done quickly.

Step 1 - Measuring the Sides

Your first calculations will be the measurements of the sides of your shower pan. Extend the tape measurer to the outer edge of the pan. You will need to measure from 1 outside edge to the other, not the inside space. Then repeat along the other sides. Note all of the sizes on your notepad.

Step 2 - Calculating the Inside

Next you will need to measure the depth of the shower pan. Do this by working out the height of the sides, then measuring down into the drain pan from this point. Hold your tape measure to the height of the sides while it is in the center and drop it down to the bottom. Make a note of this measurement.

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