TM-9-1290-262-24-P
AIMING CIRCLE, M2A2, W/E
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT,AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-1290-262-24-P - Page 191 of 192
METRIC CHAR T
THE METRIC SYSTEM AND EQUIVALENTS
LINEAR MEASURE
SQUARE MEASURE
1 Centimeter = 10 Millimeters = 0.01 Meters = 0.3937 Inches
1 Sq Centimeter = 100 Sq Millimeters = 0.155 Sq Inches
1 Meter = 100 Centimeters = 1000 Millimeters = 39.37 Inches
1 Sq Meter = 10,000 Sq Centimeters = 10.76 5q Feet
1 Kilometer = 1000 Meters = 0.621 Miles
1 Sq Kilometer = 1,000,000 Sq Meters = 0.386 Sq Miles
WEIGHTS
CUBIC MEASURE
1 Gram = 0.001 Kilograms = 1000 Milligrams = 0.035 Ounces
1 Cu Centimeter = 1000 Cu Millimeters = 0.06 Cu Inches
1 Kilogram = 1000 Grams = 2.2 Lb
1 Cu Meter = 1,000,000 Cu Centimeters = 35.31 Cu Feet
1 Metric Ton = 1000 Kilograms = 1 Megagram = 1.1 Short Tons
TEMPERATURE
LIQUID MEASURE
5/9 (°F -32) = °C
1 Milliliter = 0.001 Liters = 0.0338 Fluid Ounces
212° Fahrenheit is equivalent to 100° Celsius
1 Liter = 1000 Milliliters = 33.82 Fluid Ounces
90° Fahrenheit is equivalent to 32.2° Celsius
32° Fahrenheit is equivalent to 0° Celsius
TO CHANGE
TO
9/5 C
0
+32 = F°
APPROXIMATE CONVERSION FACTORS
MULTIPLY BY
. . . . . . . . . . . . . . . . . . . . .
2.540
. . . . . . . . . . . . . . . . . . . . .
0.30 5
. . . . . . . . . . . . . . . . . . . . .
0.91 4
. . . . . . . . . . . . . . . . . . . . .
1.609
Inches . . . . . . . . . . . . . . . Centimeters . . . . .
Feet . . . . . . . . . . . . . . . . . Meters . . . . . . . . .
Yards . . . . . . . . . . . . . . . Meters . . . . . . . . .
Miles . . . . . . . . . . . . . . . . Kilometers . . . . . .
Square inches . . . . . . . . . Square Centimeters . . . . . . . . . . . . . . . . . . . . 6.451
Square Feet . . . . . . . . . . . Square Meters . . . . . . . . . . . . . . . . . . . . . . . . 0.093
Square Yards . . . . . . . . . . Square Meters . . . . . . . . . . . . . . . . . . . . . . . . 0.836
Square MiIes . . . . . . . . . . Square Kilometers . . . . . . . . . . . . . . . . . . . . . 2.590
Acres . . . . . . . . . . . . . .
. Square Hectometers . . . . . . . . . . . . . . . . . . . . 0.405
Cubic Feet . . . . . . . . . . . . Cubic Meters . . . . . . . . . . . . . . . . . . . . . . . . . 0.028
Cubic Yards . . . . . . . . . . . Cubic Meters . . . . . . . . . . . . . . . . . . . . . . . . . 0.765
Fluid Ounces . . . . . . . . . . Milliliters . . . . . . . . . . . . . . . . . . . . . . . . . . . 29.573
Pints . . . . . . . . . . . . . . . . Liters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.473
Quarts . . . . . . . . . . . . . . . Liters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.946
Gallons . . . . . . . . . . . . . . Liters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.785
Ounces . . . . . . . . . . . . . . Grams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28.349
Pounds . . . . . . . . . . . .
. . Kilograms . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.454
Short Tons . . . . . . . . . . . Metric Tons . . . . . . . . . . . . . . . . . . . . . . . . . . 0.907
Pound-Feet . . . . . . . . . . . Newton-Meters . . . . . . . . . . . . . . . . . . . . . . . 1.356
Pounds per Square inch . . Kilopascals . . . . . . . . . . . . . . . . . . . . . . . . . . 6.895
Mlles per Gallon . . . . . . . . Kilometers per Liter . . . . . . . . . . . . . . . . . . . . 0.425
Miles per Hour . . . . . .
. . Kilometers per Hour . . . . . . . . . . . . . . . . . . . . 1.609
TO CHANGE
TO
MULTIPLY BY
Centimeters . . . . . . . . . . . lnches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.394
Meters . . . . . . . . . . . . . . . Feet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.280
Meters . . . . . . . . . . . . . . . Yards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.094
Kilometers . . . . . . . . . . . . Miles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.621
Square Centimeters . . . . . Square inches . . . . . . . . . . . . . . . . . . . . . . . . 0.155
Square Meters . . . . . . . . . Square Feet . . . . . . . . . . . . . . . . . . . . . . . . . 10.764
Square Meters . . . . . . . . Square Yards . . . . . . . . . . . . . . . . . . . . . . 1.196
Square Kilometers . . . . . . Square Miles . . . . . . . . . . . . . . . . . . . . . . . . . 0.386
Square Hectometers . . . . . Acres . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.471
Cubic Meters . . . . . . . . . . Cubic Feet . . . . . . . . . . . . . . . . . . . . . . . . . . 35.315
Cubic Meters . . . . . . . . . . Cubic Yards . . . . . . . . . . . . . . . . . . . . . . . . . . 1.308
Milliliters . . . . . . . . . . . . . Fluid Ounces . . . . . . . . . . . . . . . . . . . . . . . . . 0.034
Liters . . . . . . . . . . . . . . . . Pints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.113
Liters . . . . . . . . . . . . . . . . Quarts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.057
Liters . . . . . . . . . . . . . . . . Gallons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.264
Grams . . . . . . . . . . . . . . . Ounces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.035
Kilograms . . . . . . . . . . . . Pounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.205
Metric Tons . . . . . . . . . Short Tons . . . . . . . . . . . . . . . . . . . . . . . . . . 1.102
Newton-Meters . . . . . . . . Pound-Feet . . . . . . . . . . . . . . . . . . . . . . . . . . 0.738
Kilopascals. . . . . . . . . .
. . Pounds per Square Inch . . . . . . . . . . . . . . . . . 0.145
Kilometers per Liter . . . . . Miles per Gallon . . . . . . . . . . . . . . . . . . . . . . . 2.354
Kilometers per Hour . . . . . Miles per Hour . . . . . . . . . . . . . . . . . . . . . . . . 0.621
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