How To Figure Out Radius Of Door Hinge

The height of the door is used to determine how many butt hinges you need.

How to figure out radius of door hinge.

Use two hinges for doors up to 60 inches tall. Consider that the hinge of the door is like the center of a circle and the door its radius the door will always be the same size even when it moves so you must simply measure and mark the area accordingly to check your measurements. The radius of the door hinges is going to vary. But what if you don t have a tape measure handy.

Simply take a quarter. This radius will almost always be either a 1 4 radius or a 5 8 radius. Click on either link below to take the 1 4 radius corner door hinge test or the 5 8 radius door hinge test to choose the correct hinge. How to calculate the swing of a door by tom ryan.

Remove the screws from the middle hinge of the door with a phillips screwdriver. 1 4 radius corner door hinge. 1 4 radius corner door hinge. If you have 35 cents then you can easily figure out the radius of your hinge.

In general the 5 8 inch radius is most common. Use three hinges if the door is between 60 and 90 inches tall. First place a quarter at the corner of the door hinge. Standard door hinge replace guide door hinge sizes now that you have figured out what type of door hinge corners your existing hinges have you can use this page to figure out what size and how many hinges you need.

This radius will almost always be either a 1 4 radius or a 5 8 radius. If the radius of the quarter matches that of the. In order for you to determine the radius of door hinge you need follow these instructions. 1 4 radius and 5 8 radius hinge radius corner door hinges are sometimes more difficult to figure out.

For doors between 90 inches and 120 inches use four hinges. We recommend the coin test as the best way to determine if you need a 5 8 radius door hinge or a 1 4 radius door hinge. If you hold up a dime in the corner of the door hinge as shown in this photo and the radius is just. However a quarter inch radius is not far behind.

In general you ll want to use one hinge for every 30 inches of door height. If the hinge sticks due to paint buildup score along the outside of the hinge with a utility knife and gently pry the hinge from the mortise with a flat head screwdriver. A hinge with a 5 8 radius will measure 5 8 from the top of the hinge to the bottom of the radius while a hinge will measure from the top of the hinge to the end of the radius. If you hold up a dime in the corner of the door hinge as shown in this photo and the radius is just.

Below are two simple tests which will assist you in determining which radius door hinge you will need.