First let s look at the anatomy of a hinge which all styles share to a degree.
Standard door hinge dimensions.
Hinge type the weight of the door and frequency of use determine whether a heavy weight standard weight anti friction bearing or a plain bearing hinge should be used.
This is where your door measurements come in.
All standard bored locks ansi 115 2 161 61l type for mortise lock ansi 115 1 86 type all locations must be altered 3 8 lower and standard strike asa type.
Standard interior door jamb thickness on pre hung doors is 4 9 16 inches.
Once these dimensions are known the formula can then be applied.
A standard hinged door measures 30 inches wide by 80 inches tall.
For a standard door you ll take the width by using a tape measure and measure at the center.
They can come with both square and rounded corners.
Choosing the right hinge size.
For doors over to 2 1 4 thick the hinge is set back 3 8 from the back face of the door.
Heavy weight hinges should always be used on heavy doors and doors where high.
With very few exceptions all standard door hinges are squares and sized in 1 2 increments ex.
This means a store bought replacement pre hung door will not fit into the mobile home opening as is.
The door jamb is the frame that installs in the wall and supports the door via hinges.
Door hinges are measured by the dimensions when the hinge is open and lying flat.
Determined by door size thickness weight frequency of use and clearance required.
3 inches 3 1 2 inches 4 inches.
Door thickness backset x 2 clearance required hinge width.
The standard door must be cut down to size to be installed in the mobile home.
What is the difference between commercial and residential door hinges.
A dime match a 1 4 radius hinge and a nickel match a 5 8 radius hinge.
Many mobile home doors are actually smaller than a regular standard home door.
Opening heights 3 0 through 4 11 15 16.
Most residential doors use a 3 1 2 x 3 1 2 hinges.
A standard hinge consists of two leaves.
The common sizes for door residential door hinges are 3 and 3 1 2.
Hinge vocabulary leaf the flat rectangular portion of the hinge that attaches to the door or door jamb is the leaf.
Residential ball bearing hinges are typically for doors 1 1 4 1 1 2.
If the hinge is not standard go to next larger hinge width.
An easy test to determining the radius you need is to take a dime and a nickel.
For the height hook the tape measure to the top of the door and stretch it to the very bottom.
This will be important to understand when calculating the size of the hinge needed.