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Home Books The Rehabilitation Specialist's Handbook, 4e

Appendix A: Reference Tables, Conversion Charts, and First AID

SI Units

TABLE A.1SI Base Units
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TABLE A.1 SI Base Units
Quantity Name Symbol
Length Meter m
Mass Kilogram kg
Time Second s
Electric current Ampere A
Temperature Kelvin K
Luminous intensity Candela Cd
Amount of a substance mole mol
TABLE A.2Some SI-Derived Units
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TABLE A.2 Some SI-Derived Units
Quantity Name of Derived Unit Symbol
Area Square meter m2
Volume Cubic meter m3
Speed, velocity Meter per second m/s
Acceleration Meter per second squared m/s2
Mass density Kilogram per cubic meter kg/m3
Concentration of Mole per cubic meter mol/m3 a substance
Specific volume Cubic meter per kilogram m3/kg
Luminescence Candela per square meter cd/m3
TABLE A.3SI-Derived Units With Special Names
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TABLE A.3 SI-Derived Units With Special Names
Quantity Name Symbol Expressed in Terms of Other Unit
Frequency Hertz Hz s1
Force Newton N kg•m•s−2 or kg•m/s2
Pressure Pascal Pa N•m−2or N/m2
Energy, work, amount of heat Joule J kg•m2•s−2 or N•m
Power Watt W J•s or J/s
Quantity of Coulomb C A•s electricity
Electromotive force Volt V W/A
Capacitance Farad F C/v
Electrical resistance Ohm Ω V/a
Conductance Siemens S A/V
Inductance Henry H Wø/A
Illuminance Lux lx ln/m2
Absorbed (radiation) Gray Gy J/kg dose
Dose equivalent Sievert Sv J/kg (radiation)
Activity (radiation) Becquerel Bq s−1

Temperature Conversions

To Convert Centigrade to Fahrenheit

Degrees Fahrenheit = (Degrees Centigrade × 9/5) + 32

To Convert Fahrenheit to Centrigrade

Degrees Centigrade = (Degrees Fahrenheit − 32) × 5/9

To Convert Centigrade to Absolute (Kelvin)

Degrees Kelvin = Degrees Centigrade − 273

To Convert Absolute (Kelvin) to Centigrade

Degrees Centigrade = Degrees Kelvin + 273

TABLE A.4Common Equivalent Temperatures
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TABLE A.4 Common Equivalent Temperatures
Fahrenheit Centigrade
-19.4 12.04
32 0
98.6 37
100 37.7
212 100
0 −17.8
TABLE A.5Metric Prefixes and Multiples Used in SI
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TABLE A.5 Metric Prefixes and Multiples Used in SI
Quantity Multiples/Submultiples Prefix Symbol
1,000,000,000,000 1012 tera T
1,000,000,000 109 giga G
1,000,000 106 mega M
1,000 103 kilo K
100 102 hecto H
10 101 deka Da
0.1 10−1 deci D
0.01 10−2 centi C
0.001 10−3 milli M
0.000 001 10−6 micro μ
0.000 000 001 10−9 nano N
0.000 000 000 01 10−12 pico P
0.000 000 ...

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