Construction Building Envelope and Interior Finishes Databook

| Nail penny size | Lenght in inches | Lenght in millimeters |
|---|---|---|
| 2d | 1 | 25.40 |
| 3d | 1 1/4 | 31.75 |
| 4d | 1 1/2 | 38.10 |
| 5d | 1 3/4 | 44.45 |
| 6d | 2 | 50.30 |
| 7d | 2 1/4 | 57.15 |
| 8d | 2 1/2 | 63.50 |
| 9d | 2 3/4 | 69.85 |
| 10d | 3 | 76.20 |
| 12d | 3 1/4 | 82.55 |
| 16d | 3 1/2 | 88.90 |
| 20d | 3 3/4 | 95.25 |
| 30d | 4 1/2 | 114.30 |
| 40d | 5 | 127.00 |
| 50d | 5 1/2 | 139.70 |
| 60d | 6 | 152.40 |
| Guage | Thickness inches | mm | Weight lb/ft 2 | kg/m 2 |
|---|---|---|---|---|
| 8 | 0.17188 | 4.3658 | 7.2187 | 44.242 |
| 10 | 0.14063 | 3.5720 | 5.9062 | 28.834 |
| 11 | 0.1250 | 3.1750 | 5.1500 | 25.6312 |
| 12 | 0.10938 | 2.7783 | 4.5937 | 22.427 |
| 14 | 0.07813 | 1.9845 | 3.2812 | 16.019 |
| 16 | 0.06250 | 1.5875 | 2.6250 | 12.815 |
| 18 | 0.05000 | 1.2700 | 2.1000 | 10.252 |
| 20 | 0.03750 | 0.9525 | 1.5750 | 7.689 |
| 22 | 0.03125 | 0.7938 | 1.3125 | 6.409 |
| 24 | 0.02500 | 0.6350 | 0.0500 | 5.126 |
| 26 | 0.01875 | 0.4763 | 0.7875 | 3.845 |
| 28 | 0.01563 | 0.3970 | 0.6562 | 3.1816 |
| Plates | ||||
| 3/16" | 0.1875 | 4.76 | 7.752 | 39.85 |
| 1/4" | 0.25 | 6.35 | 10.336 | 50.46 |
| 5/16 | 0.3125 | 7.94 | 12.920 | 63.08 |
| 3/8" | 0.375 | 9.53 | 15.503 | 75.79 |
| 1/2" | 0.50 | 12.70 | 20.671 | 100.92 |
| 5/8" | 0.625 | 15.88 | 25.839 | 126.15 |
| 3/4" | 0.75 | 19.05 | 31.007 | 151.38 |
| 1" | 1.00 | 25.4 | 41.342 | 201.83 |




Circumference ofa circle = ? diameter or 3.1416 diameter
Diameter of a circle = circumference 0.31831
Area of a square