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Cabinet Doors and Drawers: Measuring

Before submitting your order, please ensure that you're 100% confident in your measurements. Below are some guidelines for measuring, but we do not take responsibility for any errors in measurements based on these recommendations.

In this guide you will find measuring techniques and suggested steps needed to calculate door sizes for the majority of door types. Use this guide to aid you in placing your order for your new customized kitchen and bathroom doors. All you need to get started is a note pad, pencil and tape measure.

Measuring

Measuring accurately is key to getting the correct sized doors you need for your project.

To ensure your measurements reflect your needs:

  • Measure each opening at least twice to ensure accuracy
  • Write down each measurement
  • Measure all door openings to the nearest 1/16"
  • Be sure to record your measurements as width x height. For example, you may write down something such as "width 14" x 30" height"
  • If you have existing cabinet doors, it’s best to remove them before measuring

All of Cabinet Now doors are custom made to your specifications. Double-check your work to ensure your measurements and calculations are correct to avoid mistakes, as all cabinet doors are non-returnable.

Note: These instructions are helpful if you are installing popular concealed hinge cabinet doors. If you choose a different type of hinge, your measuring instructions may differ. Please note that we do not accept responsibility for any errors in measurements based on these recommendations.

Taking Measurements

Your rough opening measurement is the width and height of the inside of each doorframe. Take your tape measure and measure from inside edge to inside edge and then notate that number. Write down your measurement width x height for each inside frame measure.

Calculating Your Door Sizes

Now that you have all of your rough opening measurements, it’s time to calculate the exact cabinet door size you'll need. These calculations will be what you input into your online order form

Calculating for door overlays

Your door overlay is the amount each door extends past the door opening. The majority of doors allow for a 1/2” overlay on each side. To allow for a 1/2” overlay add 1 inch to both the width and height of your original measurement for each door.

Single door with 1/2” overlay = width + 1” x height + 1”

For an opening measurement of 14” x 30”, add 1 inch to both measurements so it now reads 15” x 31”.

We use a 1/2” overlay for demonstration purpose only, your overlay is based on your door style and design.

These measurements are guidelines. Ensure your measurements match the specifications of your exact hinges type.

Calculating for split doors

If you have a cabinet section that needs a split door (2 doors per cabinet opening) the calculation will be slightly different. If you are unsure whether you should order split doors, keep the following rule in mind. For any opening greater than 22" wide, order two doors. For split doors with a 1/2” overlay add 1 inch to both the width and height. Then additionally for the width divide the entire number by 2 and subtract 1/16”. This allows for the two doors with a 1/8" gap between the cabinet doors.

Split door with 1/2” overlay = (width + 1)/2 – 1/16 x height + 1

Start with your opening measurement of 30” x 28”
To calculate the width:
Add 1 inch for the overlay: 30" + 1” = 31"
Divide by 2 for the doors: 31"/2 = 15 1/2"
Subtract 1/16 for the gap: 15 1/2" - 1/16" = 15 7/16"
Final measurements = 15 7/16” x 29

These measurements are guidelines. Ensure your measurements match the specifications of your exact hinges type.

Calculating for inset cabinet doors

Inset cabinet doors fit inside your cabinet frame. To calculate your final door size, take your rough opening measurement and subtract 1/4" from the width and height.

Inset cabinet doors = width – 1/4” x height – 1/4”

For an opening measurement of 14" x 30"
Inset calculation: 14" - 1/4" x 30” - 1/4" = 13 3/4" x 29 3/4"

For split doors calculate the height as noted above. For the width additionally divide by 2 (since there are 2 doors) and then subtract 1/16"

Inset cabinet split doors = (width – 1/4”)/2 – 1/16 x height – 1/4”

Start with your opening measurement of 29” x 30”
To calculate the width:
Inset measurement: 29" - 1/4" = 28 3/4"
Divide by 2 for the doors: 28 3/4" /2 = 14 3/8"
Subtract 1/16 for the gap: 14 3/8" - 1/16"
Final width measurement: 14 5/16"

These measurements are guidelines. Ensure your measurements match the specifications of your exact hinges type.

Measuring for Lazy Susans

For Lazy Susans you will need to provide measurements for the doors with a Butt Joint. A Butt Joint style has one of the two doors slightly longer so that the doors overlap at a 90 degree angle. Take the rough opening measurements for both sides. With a Lazy Susan keep in mind the following items:

  • Door overlays will only be on one side when measuring the width
  • One door’s width (either left or right) needs to be shorter than the other to lay on top of the other door in order to make the 90 degree angle. The shortness in width equals the thickness of the door.

Calculating measurements for the right door on top of the left door with a 1/2” overlay.

Left side = width + 1/2” x height + 1”
Right side = (width + 1/2”) – thickness of door x height + 1”

Start with your opening measurement of your lazy susan:
Left side = 12 1/2” wide x 28" tall
Right side = 12 1/2” wide x 28" tall
Door thickness = 3/4”

Left side door measurement:
Width = 12 1/2” + 1/2” = 13"
Height = 28" + 1" = 29"
Right side door measurement:
Width = 12 1/2” + 1/2” – 3/4” (door thickness) = 12 1/4”
Height = 28" + 1" = 29"

For the wider door in the "additional instructions" box on the order form notate: "Please make the 13" x 29" door with large stile for Lazy Susan."

Make sure you write down each of your calculations on your notepad. Double-check all of your measurements and calculations to ensure you have the correct final door sizes. Mark down your final door sizes as well as how many of each size you want to order.

Input your final custom door sizes and quantities into our Order Form. Proofread it to make sure you entered every detail error-free. When you feel confident, click submit. You're now well on your way to owning your perfect cabinets.

We want to help you get the correct sizes for your cabinet doors. If you have questions on measuring your cabinet doors contact us Monday – Friday 6 am to 6pm PST. Call 888-834-0642, email info@cabinethub.com or chat live at www.cabinethub.com.

Ensure that you're 100% confident in your measurements before submitting your order. This is a measuring guide that uses sample measurement. We do not take responsibility for any errors in measurements based on these recommendations.

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