## Quick Common Conversions & Formula Tables

These are 3 tables with quick common conversions and formulas for the following:

• Metric conversions for linear, torque, and force.
• Rules relative to the circle to find the circumference, diameter, radius, the side of an inscribed square, and the side of an equal square.
• Rules relative to the circle for a square, to find the area of a circle, and to find the surface of a sphere or globe.

We hope you find these useful.

Metric Conversions

Linear Torque Force Multiply INCHES by 25.4 to get MILLIMETERS (MM) Multiply FEET by 0.3048 to get METERS (M) Multiply INCHES by 2.54 to get CENTIMETERS (CM) Multiply MILLIMETERS (MM) by 0.03937 to get INCHES Multiply METERS (M) by 3.281 to get FEET Multiply CENTIMETERS (CM) by 0.3937 to get INCHES Multiply INCH-POUNDS by 0.11298 to get NEWTON-METERS (Nm) Multiply FOOT-POUNDS by 1.3558 to get NEWTON-METERS (Nm) Multiply NEWTON-METERS by 8.851 to get INCH-POUNDS Multiply NEWTON-METERS by 0.7376 to get FOOT-POUNDS Multiply POUNDS by 0.00445 to get KILO-NEWTONS (kN) Multiply KILO-NEWTONS by 224.72 to get POUNDS

Rules Relative to the Circle

To Find Circumference To Find Diameter Multiply diameter by 3.1416 Or divide diameter by 0.3183 Multiply circumference by 0.3183 Or divide circumference by 3.1416 Multiply circumference by 0.15915 Or divide circumference by 6.28318 Multiply diameter by 0.7071 Or multiply circumference by 0.2251 Or divide circumference by 4.4428 Multiply diameter by 0.8862 Or divide diameter by 1.1284 Or multiply circumference by 0.2821 Or divide circumference by 3.545