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C Common Unit Conversions
C
COMMON UNIT CONVERSIONS
C COMMON UNIT CONVERSIONS
Section C.1 to C.4 list commonly used equivalents between the SI (Système Internationale) units of weights and
measures used in the metric system, and those used in the imperial system. A complete list of hexadecimal values
with their binary equivalents is given in Section C.5 while an example of the conversion from GPS time of week
to calendar day is shown in Section C.6. GLONASS time conversion is explained in Section C.7, and angular
conversions may be found in Section C.8.
C.1 DISTANCE
1 meter (m) = 100 centimeters (cm) = 1000 millimeters (mm)
1 nautical mile = 1852 meters (m)
1 international foot = 0.3048 meter
1 kilometer (km) = 1000 meters (m)
1 statute mile = 1609 meters (m)
1 US survey foot = 0.3048006096 meter (m)
C.3 TEMPERATURE
degrees Celsius = (5/9) x [(degrees Fahrenheit) - 32]
degrees Fahrenheit = [(9/5) x (degrees Celsius)] + 32
C.5 HEXADECIMAL TO BINARY CONVERSION
Hexadecimal
C.6 GPS TIME OF WEEK TO WEEK AND TIME OF DAY
(EXAMPLE)
511200 seconds
Day 5 (Thursday) + 22 hours, 0 minutes, 0 seconds into Friday.
54
Binary
0
0000
1
0001
2
0010
3
0011
4
0100
5
0101
6
0110
7
0111
Day
511200 /86400 seconds per day
Hour
0.916666667 x 86400 / 3600 seconds per hour 22.0000 hours
Minute
0.000 x 3600 / 60 seconds per minute
Second
0.000 x 60
C.2 VOLUME
1 liter (l) = 1000 cubic centimeters (cc)
1 gallon (British) = 4.546 liters (l)
1 gallon (US) = 3.785 litres (l)
C.4 WEIGHT
1 kilogram (kg) = 1000 grams
1 pound = 0.4536 kilogram (kg)
Hexadecimal
Binary
8
1000
9
1001
A
1010
B
1011
C
1100
D
1101
E
1110
F
1111
GPS/GLONASS Receiver User Manual Rev 1
5.916666667 days
0.000 minutes
0.000 seconds
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