GENERAL ENGINEERING DATA
ENGINEERING MANUAL OF AUTOMATIC CONTROL
467
WEIGHT/MASS
Table 4. Weight/Mass Conversion Multipliers.
EXAMPLE:
17 feet x 0.3048 = 5.18 meters
AREA
Table 6. Area Conversion Multipliers.
EXAMPLE:
30 square feet x 0.0929 = 2.79 square meters
EXAMPLE:
10 pounds x 0.4536 = 4.54 kilograms
LENGTH
Table 5. Length Conversion Multipliers.
Desired Unit
Existing Unit Grains (gr) Grams (g) Kilograms (kg) Ounces (oz) Pounds (lb)
Grains (gr) — 0.0648 0.000065 0.00229 0.000143
Grams (g) 15.432 — 1 000 0.0353 0.00221
Kilograms (kg) 15 432 0.001 — 35.274 2.2046
Ounces (oz) av 437.5 28.35 0.02835 — 0.0625
Pounds (lb) 7 000 453.6 0.4536 16 —
Desired Unit
Existing Unit Inches (in.) Feet (ft) Meters (m) Millimeters (mm) Miles (mi) Kilometers (km)
Inches (in.) — 0.083 0.0254 25.4 0.0000158 0.0000254
Feet (ft) 12 — 0.3048 304.80 0.0001894 0.0003048
Meters (m) 39.37 3.281 — 1 000 0.0006214 0.001
Millimeters (mm) 0.03937 0.003281 0.001 — 0.0000006 0.00001
Miles (mi) 63 360 5 280 1 609.344 1 609 344 — 1.6093
Kilometers (km) 39 370 3 281 1 000 1 000 000 0.6214 —
Centimeters (cm) x 10 = millimeters (mm)
Millimeters (mm) x 0.1 = centimeters (cm)
Micron = micrometer
Desired Unit
Existing Unit Sq feet (ft
2
) Sq inches (in
2
) Sq millimeters (mm
2
) Sq meters (m
2
) Sq yards (yd
2
)
Sq feet (ft
2
) — 144 92 903 0.0929 0.111
Sq inches (in
2
) 0.00694 — 645.2 0.00065 0.00077
Sq millimeters (mm
2
) 0.0000108 0.00155 — 0.000001 0.0000012
Sq meters (m
2
) 10.764 1 550.0 1 000 000 — 1.196
Sq yards (yd
2
) 9.0 1 296 836 127 0.8361 —
Sq miles x 2.590 = Sq kilometers
Sq kilometers x 0.3861 = Sq miles
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