Home/Hinge sizing guide
How to choose the right hinge
The factory's general sizing guide, converted to US units. Use it as a starting point and confirm with the door maker and your local code.
1. Hinge length by door height
| Door height | Inches | Hinge length |
|---|---|---|
| 1,500–1,800 mm | 59–71" | 3" |
| 1,800–2,000 mm | 71–79" | 4" |
| 1,900–2,200 mm | 75–87" | 5" |
| 2,100–2,600 mm | 83–102" | 6" |
| 2,300–3,000 mm | 91–118" | 8" |
2. Leaf thickness by door weight
| Door weight | Pounds | Leaf thickness |
|---|---|---|
| 15–20 kg | 33–44 lb | 2.0 mm (.079") |
| 20–35 kg | 44–77 lb | 2.5 mm (.098") |
| 35–55 kg | 77–121 lb | 3.0 mm (.118") |
| 50–70 kg | 110–154 lb | 3.5 mm (.138") |
| 80–110 kg | 176–243 lb | 4.0 mm (.157") |
3. Hinge width by door thickness
| Door thickness | Inches | Hinge width |
|---|---|---|
| 20–30 mm | 0.8–1.2" | 2.5" |
| 30–40 mm | 1.2–1.6" | 3" |
| 40–50 mm | 1.6–2.0" | 3.5" |
| 45–60 mm | 1.8–2.4" | 4" |
Source: factory catalog sizing tables (metric). Inch and pound values are conversions. For fire-rated openings, ask us what documentation is available before you specify.
Spec codes on our product pages
Bearings
| 2BB / 4BB | 2 or 4 ball bearings between the knuckles |
|---|---|
| DW | Double washers between the knuckles (no ball bearings) |
| PN | Plain, non-bearing |
Pins
| NRP | Non-removable pin, so the door can't be lifted off when the hinge is on the outside |
|---|---|
| LSP | Loose (removable) pin |
| FXP | Fixed pin |
Tips
| FT | Flat tip |
|---|---|
| BT | Ball tip |
| AT | Acorn tip |
| PT / KT / CT | Decorative finial and crown tips |