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Measuring Guide

Easy Measurements. A Perfect Fit.

Follow our simple step-by-step instructions to get accurate measurements for your custom shutters and blinds. Includes videos, diagrams, and a printable guide. And if you need help, Amy is always here.

Simple

Step-by-Step

Printable

PDF Guide

Get It Right

The First Time

Bright breakfast nook with white blinds on three windows above a wood table

Inside Mount · Fits inside the window opening

Inside Mount Instructions

Measure the exact width and height inside the window opening at 3 different points. Use the smallest measurement.

1
Tape measure stretched across the top of an inside-mount window opening

Measure the Width

Measure the width at the top, middle, and bottom of the window opening. Use the smallest width.

2
Tape measure running from sill to head inside the window frame

Measure the Height

Measure the height at the left, middle, and right of the window opening. Use the smallest height.

3
Notepad with inside-mount width and height written down beside a tape measure

Record Your Measurements

Enter your width and height on the product page. We’ll make the necessary deductions for a perfect fit.

Inside mount diagram: width and height arrows inside the window opening

Inside Mount

Fits inside the window opening. Measure width and height inside the frame.

Inside Mount Tips

Close-up of window jamb depth showing room for an inside-mount shutter

Required Depth for Inside Mount

Minimum 2 3/4″ depth.

Outside Mount · Covers the window opening

Outside Mount Instructions

Measure the overall area you want to cover. We recommend adding extra overlap for the best light control and privacy.

1
Tape measure across the wall beyond the window trim for an outside mount

Measure the Width

Measure the total width you want to cover. We recommend adding 2–4″ of overlap (1–2″ on each side).

2
Tape measure from above the window trim to below the sill for an outside mount

Measure the Height

Measure the total height you want to cover. We recommend adding 2–4″ above and below (1–2″ above and below).

3
Notepad with outside-mount width and height written down beside a tape measure

Record Your Measurements

Enter your width and height on the product page. We’ll make the necessary deductions for a perfect fit.

Outside mount diagram: width and height arrows covering the whole window and trim

Outside Mount

Covers the window opening. Measure the overall area you want to cover.

Outside Mount Tips

Outside-mounted blind overlapping the window trim on each side

Recommended Overlap

2–4″ overlap on each side. 2–4″ overlap top and bottom.

Helpful Videos

Watch our short videos for step-by-step instructions.

Video: Inside mount measuring (2:45)

Inside Mount Measuring

Video · 2:45

Video: Outside mount measuring (3:12)

Outside Mount Measuring

Video · 3:12

Video: Common measuring mistakes to avoid (2:18)

Common Mistakes to Avoid

Video · 2:18

Video: How to check your window depth (1:54)

How to Check Your Depth

Video · 1:54

Download the Complete Measuring Guide (PDF)

Print or save for easy reference.

Need Help Measuring?

Amy can help with measuring questions, explain the process, or walk you through it step by step.

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Hi, I'm Amy

Your AI Window Expert

I can help with measuring questions, explain the process, or walk you through it step by step.

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Common Measuring Mistakes

Avoid these common mistakes to ensure a perfect fit.

Single tape measurement taken only at the middle of a window

Not measuring in 3 places

Windows can vary in size. Always measure top, middle and bottom.

Tape measure reading the widest point of an uneven window opening

Using the largest measurement

Always use the smallest measurement for inside mount.

Shallow window frame too narrow for an inside-mount shutter

Not accounting for depth

Make sure you have enough depth for an inside mount.

Window crank handle sticking out into the window opening

Forgetting obstructions

Check for handles, cranks, locks or other obstructions.

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On every order.

Easy Installation

Simple and stress-free.

Limited Lifetime Warranty

Buy with confidence.

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