A-1
MEASUREMENT
UNIT AND
ABBREVIATION
METRIC EQUIVALENT
METRIC TO ENGLISH
CONVERSION FACTOR
ENGLISH TO METRIC
CONVERSION FACTOR
Length
1 kilometer (km)
5
1000 (10
3
) meters
1 km
5
0.62 mile
1 mile
5
1.61 km
1 meter (m)
5
100 (10
2
) centimeters
5
1000 millimeters
1 m
5
1.09 yards
1 m
5
3.28 feet
1 m
5
39.37 inches
1 yard
5
0.914 m
1 foot
5
0.305 m
1 centimeter (cm)
5
0.01 (10
2
2
) meter
1 cm
5
0.394 inch
1 foot
5
30.5 cm
1 inch
5
2.54 cm
1 millimeter (mm)
5
0.001 (10
2
3
) meter
1 mm
5
0.039 inch
1 micrometer (μm)
[formerly micron (μ)]
5
0.000001 (10
2
6
) meter
1 nanometer (nm)
5
0.000000001 (10
2
9
) meter
1 angstrom (Å)
5
0.0000000001 (10
2
10
) meter
Area
1 square meter (m
2
)
5
10,000 square centimeters
1 m
2
5
1.1960 square yards
1 m
2
5
10.764 square feet
1 square yard
5
0.8361 m
2
1 square foot
5
0.0929 m
2
1 square centimeter (cm
2
)
5
100 square millimeters
1 cm
2
5
0.155 square inch
1 square inch
5
6.4516 cm
2
Mass
1 metric ton (t)
5
1000 kilograms
1 t
5
1.103 ton
1 ton
5
0.907 t
1 kilogram (kg)
5
1000 grams
1 kg
5
2.205 pounds
1 pound
5
0.4536 kg
1 gram (g)
5
1000 milligrams
1 g
5
0.0353 ounce
1 g
5
15.432 grains
1 ounce
5
28.35 g
1 milligram (mg)
5
0.001 gram
1 mg
5
approx. 0.015 grain
1 microgram (μg)
5
0.000001 gram
Volume (solids)
1 cubic meter (m
3
)
5
1,000,000 cubic centimeters
1 m
3
5
1.3080 cubic yards
1 m
3
5
35.315 cubic feet
1 cubic yard
5
0.7646 m
3
1 cubic foot
5
0.0283 m
3
1 cubic centimeter (cm
3
or cc)
5
0.000001 cubic meter
5
1 milliliter
1 cm
3
5
0.0610 cubic inch
1 cubic inch
5
16.387 cm
3
1 cubic millimeter (mm
3
)
5
0.000000001 cubic meter
Volume
(liquids and gases)
1 kiloliter (kl or kL)
5
1000 liters
1 kL
5
264.17 gallons
1 gallon
5
3.785 L
1 liter (l or L)
5
1000 milliliters
1 L
5
0.264 gallon
1 L
5
1.057 quarts
1 quart
5
0.946 L
1 milliliter (ml or mL)
5
0.001 liter
5
1 cubic centimeter
1 ml
5
0.034 fluid ounce
1 ml
5
approx.
1
5
teaspoon
1 ml
5
approx. 15–16
drops (gtt)
1 quart
5
946 ml
1 pint
5
473 ml
1 fluid ounce
5
29.57 ml
1 teaspoon
5
approx. 5 ml
1 microliter (μl or μL)
5
0.000001 liter
Time
1 second (s)
5
1
6
0
minute
 
 
1 millisecond (ms)
5
0.001 second
Temperature
Degrees Celsius (°C)
 
°F
5
9
5
(°C)
1
32
°C
5
5
9
(°F
2
32)
The Metric System
Appendix A
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