How to Measure for a Barn Door
Learn how to measure for a barn door the right way so your door fits perfectly and slides smoothly.
We broke down the steps so you can easily measure the exact size needed for your custom barn door. Accurate measurements ensure the perfect fit and smooth sliding operation.
1. Measure Door Width
Measure the inside horizontal frame distance (A).
Barn doors must be wider than the opening for proper coverage.
This is the standard method used when determining barn door size for proper coverage.
A + 6" = Total Door Width
2. Measure Door Height
1) Measure the inside vertical frame distance (B).
2) Barn doors must be taller than the opening for proper coverage.
B + 3" = Total Door Height
3. Measure Ceiling Clearance
The door needs room above it for the sliding track and hardware. Measure the distance between the top of the door opening and the ceiling (C).
C = Ceiling Clearance
4. Measure Sliding Room
To fully open, the barn door must slide completely past the opening. Measure the wall space available next to the door (D).
D = Sliding Distance
Quick Measurement Checklist
- A = Inside width of door frame
- B = Inside height of door frame
- C = Space between door frame and ceiling
- D = Wall space available for door to slide
Looking for a custom fit? View our Automatic Barn Door System or request a custom size.