Conversion And Comparison Table For Statutory Measurement Units - BMW K75 Repair Manual

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Conversion and comparison table for
statutory measurement units
unit symbols Values
Nameofunit old new
Length m
m 1 m = 1000mm 1 km = 1000m Il-'m = 0.01 mm
Area
m'
m'
lm' = 10· mm' 1 mm' = 0.01 cm'
sq.m
m'
m'
1 m' = 10·cm' 1 dm' = 0.001 m'
Volume
cU .m
I I
11 = 1 dm'
surface ° ° rad 1 rad = 1 mi m = 57° 1° = ,,/180 rad
Angle
spatial
(0)'
sr
1 sr = 1 m'/m' (1 °)' = (" 180)'sr
Mass kg
kg lkg = 1000g 1 g = 1000mg lt = IMg = 1000kg
Density
kg/m' kg/m' 1 kg/m' = 0.001 kg/dm' 1 kg/dm' = 1 kg/I
Imbalance
kgm kgm 1 kgm = 1000000 gmm
Time
sec
1 min = 60s 1 h = 60min s
s
Speed of rotation
rps l /s
1 rpm = l /min l /min = 1/(60s)
rpm
l/min
Speed (velocity) m/s m/s 1 m/s = 3.6 km/h
Acceleration
m/s' m/s'
Force kp
N 1 N = 1 kgm/s' 1 kp = 9,81 N
alm 1 atm = 1 kp/cm' = 0.981 bar = 98066.5 Pa
kp/cm'
N/m'
Pressure mWS Pa 1 m WS = 9806.65 Pa = 9806.65 N/cm'
(gas, liquid) Torr bar 1 Torr = 1.333224 mbar
mmHg 1 mmHg = 133.322 Pa = 133.322 N/m'
Mechanical
N/m'
1 N/m' = 1 Pa
stress
kp/mm' Pa
1 kp/mm' = 9.81
Nimm'
N/mm'
Energy, work, quantity
kpm
J
1 J = 1 Nm 1 kWh = 3.6MJ 1 kpm = 9.81 J
hp/s
of heat
cal
kWh 1 cal = 4.1868J
Torque kpm Nm 1 kmp = 9,81 Nm
hp kW 1 kW = 1000W 1 W= 1 Nm/s = 1 J/s
Power output kpm/s
Nm/s
1 PS = 736 W = 75 kpm/s = 632 kcal/h
kcallh 1 kW = 1.36 PS = 102 kpm/s = 860 kcal/h = 0.239 kcalls
Viscosity
dynamic
P
Pas
1 Pas = 1 Ns/m' 1 P = 0.1 Pas = 1 g/cms
kinem atic St m'/s 1
m'/s
= 1 Pas
m'/kg
1 St = 1 cm'/s = 0.0001 m'/s
deg
oe
o oe ~ 273.15 K
Temperature
o e
K 1 grd = 1 ° K = 1 K = l °e (temperature difference)
°K
Electric current A A
1 mA = 0.001 A HA = 1000A
Electric voltage V V 1 V = 1 W /A
1 mV = 0.001 V lMV = 10·V
Electric resistance
Q Q 1 Q = 1 VIA = I /S
Magnetic flu x M
Wb,Vs 1 Wb = 1 Vs
1 M = 10- 8 Wb
Magnetic flux density G
T
1
T = Wb/m'
1
G =
10- Q
Magnetic field slrength Oe Nm 1
Nm
= 1 N/Wb 1 Oe = 10'/4" Nm
Light intensity HK cd lcd = I .107HK
1 HK = 0.903342 cd
Illumination density sb cd/m' 1 sb = 10'cd/m'
Illumination intensity ph Ix 1 ph = 10' lx
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