sq ft
sq ft

How to Calculate Garage Door Size

Follow these simple steps to calculate the dimensions:

  1. Measure the Opening Width:
    Measure the distance between the left and right sides of the garage opening.
  2. Measure the Opening Height:
    Measure the height from the floor to the top of the opening.
  3. Add Headroom and Sideroom:
    Account for the space needed for the door tracks, springs, and opener.
  4. Use the Calculator:
    Input these measurements into the Garage Door Size Calculator to get accurate dimensions and additional insights.

Example:

You have a garage with an opening width of 16 feet and a height of 7 feet

  1. Enter the width and height into the calculator.
  2. Include extra space for headroom and sideroom, based on your garage’s layout.
  3. The calculator determines the required garage door size and ensures compatibility with standard or custom doors.

Result:
The ideal garage door size for your space is 16 ft x 7 ft.