Metric System
The metric system is based on quantities of one, ten, one hundred, one thousand and one million.
The following chart will assist in converting metric units to equivalent English and SAE units, or vise versa.
CONVERSION FORMULAS AND EQUIVALENT VALUES
| MULTIPLY | BY | TO GET | MULTIPLY | BY | TO GET |
|---|---|---|---|---|---|
| in-lbs | x 0.11298 | = Newton Meters (N.m) | N.m | x 8.851 | = in-lbs |
| ft-lbs | x 1.3558 | = Newton Meters (N.m) | N.m | x 0.7376 | = ft-lbs |
| Inches Hg (60° F) | x 3.377 | = Kilopascals (kPa) | kPa | x 0.2961 | = Inches Hg |
| psi | x 6.895 | = Kilopascals (kPa) | kPa | x 0.145 | = psi |
| Inches | x 25.4 | = Millimeters (mm) | mm | x 0.03937 | = Inches |
| Feet | x 0.3048 | = Meters (M) | M | x 3.281 | = Feet |
| Yards | x 0.9144 | = Meters (M) | M | x 1.0936 | = Yards |
| mph | x 1.6093 | = Kilometers/Hr. (Km/h) | Km/h | x 0.6214 | = mph |
| Feet/Sec | x 0.3048 | = Meters/Sec (M/S) | M/S | x 3.281 | = Feet/Sec |
| mph | x 0.4470 | = Meters/Sec (M/S) | M/S | x 2.237 | = mph |
| Kilometers/Hr. (Km/h) | x 0.27778 | = Meters/Sec (M/S) | M/S | x 3.600 | Kilometers/Hr. (Km/h) |
COMMON METRIC EQUIVALENTS
| 1 inch = 25 Millimeters | 1 Cubic Inch = 16 Cubic Centimeters |
| 1 Foot = 0.3 Meter | 1 Cubic Foot = 0.03 Cubic Meter |
| 1 Yard = 0.9 Meter | 1 Cubic Yard = 0.8 Cubic Meter |
| 1 Mile = 1.6 Kilometers |
Refer to the Metric Conversion Chart to convert torque values listed in metric Newton-meters (N.m). Also, use the chart to convert between millimeters (mm) and inches (in.). See Fig 1.