Standard barn door sizes most barn door sizes fall anywhere between 36 wide on the shorter side by 96 tall on the longer side.
How to determine size of barn door hardware.
Take the above measurement of your door and double it.
Measure the door opening add a few inches to this measurement about 6 inches or so depending on how much space you have and this will be the total door width.
Measure across for the width and from the top of the casing molding to the floor for height.
To measure the size of the track you need.
Barn door opening measurements while the style of barn door you choose will come down to your personal preference you will need to be aware of barn door vs opening dimensions when making your choice.
The barn door you choose needs to be slightly larger than the opening of the door frame it will cover.
If your doorway doesn t have a trim measure the width of the inside of the door frame from left to right.
Measure from outside to outside of casing molding.
Your door s width should be 2 to 3 inches wider than the door opening and 1 inch higher than the dimensions of your opening.
For example if you have a 30 opening you would order at least a 34 barn door.
For example if you have an 83 opening you would order at least an 84 barn door.
For the door width.
For the height of your barn door we recommend at least a 1 overlay.
Barn door measuring guide for door openings with casing molding.
If the doorway has moldings measure from outside edge to outside edge to determine the proper door width add about 4 to 6 inches to your measurement.
This will be the length of track you need at a minimum.
How to measure for a barn door in three steps using a tape measure begin at the left edge of the opening and measure straight across to the right edge.
The door s height width thickness and weight will all play a factor in the hardware that it will require.
For the door height we recommend measuring from the floor to the top of the casing.
In this example the total width is 38.
In this example the total height is 83.
Generally most standard barn doors are approximately 36 x 84 or 42 x 80 with enough extra lip to overlap most standard door frames 36 x 80 by an inch or so.
Add 2 4 to this measurement so your barn door completely covers the entryway without drafts or slight openings.
Add 1 to 2 per door for overlap depending on privacy needs.