Gauge to Decimals
| SIZE (GA.) | TUBE | SHEET | SIZE (GA.) | TUBE | SHEET |
|---|---|---|---|---|---|
| 20 ga. | 0.035 | 0.036 | 18 ga. | 0.049 | 0.048 |
| 16 ga. | 0.065 | 0.060 | 15 ga. | 0.072 | 0.067 |
| 14 ga. | 0.083 | 0.075 | 13 ga. | 0.095 | 0.090 |
| 12 ga. | 0.109 | 0.105 | 11 ga. | 0.120 | 0.120 |
| 10 ga. | 0.134 | 0.134 | 8 ga. | 0.000 | 0.164 |
| 7 ga. | 0.188 | 0.180 |
- Circumference of a Circle: Diameter x 3.1416
- Diameter of a Circle: Circumference x 0.31931
- Area of a Circle: Square of Diameter x .7854
- Area of a Rectangle: Length x Breadth
- Area of a Triangle: Base x 1/2 of Perpendicular Height
- Area of an Ellipse: Product of Both Diameters x 0.7854
- Area of a Parallelogram: Base x Altitude
- Side of an Equal Square: Diameter x 0.8862
- Side of an Inscribed Square: Diameter x 0.7071
- Cubic Inches in a ball: Cube of Diameter x .05236
- Cubic contents of a Cone: Area of Base x 1/3 Altitude
- Surface of a Frustrum of Cone or Pyramid:
- Contents of Frustrum of Cone or Pyramid:
- A side of inscribed square equals radius of a sphere multiplied by 1.1547
- One cubic foot equals 7.5 gallons
- Doubling the diameter of a circle increases its area four times
- Doubling the diameter of a pipe increases its capacity four times
- A side of a square multiplied by 1.4142 equals the diameter of its circumbscribing circle
