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Insight Horizon Media

What size strap hinge do I need?

Author

Robert Miller

Published Mar 01, 2026

What size strap hinge do I need?

We mentioned above that the size of your Tee hinges should be at least half the width of your gate. However, the size of your Band and Hook hinges only needs to be one third (1/3) of the gate width.

How are strap hinges measured?

The length of strap hinges is determined by measuring from the middle of the hinge to the tip of one flap.

Are there different size hinges?

With very few exceptions, all standard door hinges are squares and sized in 1/2″ increments (EX: 3 Inches, 3-1/2 inches, 4 Inches). Most residential doors use a 3-1/2″ x 3-1/2″ hinges. Some larger residential doors, usually entry doors, use a 4″ x 4″ hinge. Now, just a few things to remember.

What is the purpose of a strap hinge?

Doors — both interior and exterior doors — also use strap hinges. Their long and narrow design allows them to securely connect the two objects or surfaces on which they are used, while consuming minimal space in the process.

How big a hinge do I need?

AS A GENERAL RULE OF THUMB THE HINGES YOU CHOOSE SHOULD REACH APPROXIMATELY HALF WAY ACROSS YOUR GATES. So if your gates are 5′ wide you should buy 30″ inch hinges.

How do I know what size hinge I need?

In general, you’ll want to use one hinge for every 30 inches of door height. For example: Use two hinges for doors up to 60 inches tall. Use three hinges if the door is between 60 and 90 inches tall.

How do you size a hinge?

Use your ruler or measuring tape to measure the width from one leaf edge to the pin in the middle of the hinge. Then multiply that figure by two; the width of a hinge is the sum of two leaf widths. A hinge’s width is vital to its pin and knuckle action.

Are hinges universal?

Hinges are available in a variety of finishes to match any decor. Consider your existing door locks, levers and knobs and other hardware found in the home. At Schlage, we offer a variety of popular finishes to match any decor. Browse hinges and other door hardware accessories here.

How do I know my hinge size?

For example, if the door is 1-3/8 inches thick and the width is no more than 32 inches, the hinge height is 3-1/2 inches….For example:

  1. Use two hinges for doors up to 60 inches tall.
  2. Use three hinges if the door is between 60 and 90 inches tall.
  3. For doors between 90 inches and 120 inches, use four hinges.

What is the strongest type of hinge?

If you’re looking for door hinges for a heavy or frequently used door, mortise hinges make a stronger and more reliable choice. Mortise hinges are more popular among exterior doors, as are mortise locks.

How do I choose a hinge?

Hinges come in many varieties including strap, butt, pivot, butterfly and spring.

  1. Check the casing the hinge will attach to.
  2. Check the overlap of the door or lid on the face-framed cabinet or box.
  3. Measure the clearance you have between the door or lid and the box or frame.
  4. Weigh the door or lid the hinge will open.