Enter your image dimensions and border width into the calculator to determine your mat size.

Mat Size Calculation Formula

The following formula is used to calculate the dimensions of the mat for your picture.

Mat Size = Image Size + (2 * Border Width)

Variables:

  • Mat Size is the total size of the mat including the border (inches)
  • Image Size is the dimensions of your image (inches)
  • Border Width is the width of the border you want around your image (inches)

To calculate the mat size, add twice the border width to both the width and height of the image.

What is Picture Mat Size Calculation?

Picture mat size calculation refers to the process of determining the overall dimensions of a mat required to frame an image with a desired border width. Proper calculation ensures that the mat fits perfectly within the frame and complements the picture aesthetically.

How to Calculate Mat Size?

The following steps outline how to calculate the mat size using the given formula.


  1. First, measure the width and height of your image.
  2. Next, decide on the width of the border you want around your image.
  3. Use the formula from above: Mat Size = Image Size + (2 * Border Width).
  4. Finally, calculate the mat size by plugging in the values for image size and border width.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem:

Use the following variables as an example problem to test your knowledge.

Image Width = 10 inches

Image Height = 8 inches

Border Width = 2 inches

FAQ

1. What is a picture mat?

A picture mat is a piece of material that sits between the frame and the picture, often providing a decorative border around the image.

2. How is the mat size different from the image size?

The mat size includes the image size plus the border width on all sides, making it larger than the image size alone.

3. How often should I use the picture mat size calculator?

It’s helpful to use the picture mat size calculator whenever you are framing a new image or changing the border width of an existing frame.

4. Can this calculator be used for different frame sizes?

Yes, you can adjust the image size and border width to match any frame size to calculate the mat size accordingly.

5. Is the calculator accurate?

The calculator provides an estimate of your mat size based on the inputs provided. For exact figures, it’s best to measure the frame and image dimensions directly.