Page 1569 - MISUMI SINGAPORE Economy Series

1-3. Multiples of 10 of SI Units
(1) Prefix The multiples and the names and symbols of prefixes to express integer multiples of 10 of SI Units are shown in Table 4.
Table 4 Prefix.
Multiples Prefix Multiples Prefix Multiples Prefix
of Unit Name Symbol of Unit Name Symbol of Unit Name Symbol
10 18 Exsa E 10 2 Hecto h 10 −9 Nano n
10 15 Peta P 10 1 Deca da 10 −12 Pico p
10 12 Tera T 10 −1 Deci d 10 −15 Femto f
10 9 Giga G 10 −2 Centi c 10 −18 Atto a
10 6 Mega M 10 −3 Milli m
10 3 Kilo k 10 −6 Micro μ
2. Conversion Tables for SI and Conventional Units
(The units enclosed by thick lines are the SI units.)
N dyn kgf Pa·s cP P
1
1
Force 1×10 −5 1×10 5 1.019 72×10 −1 Viscosity 1×10 −3 1×10 3 1×10 −2
1
1
1.019 72×10
1×10
−6
9.806 65 9.806 65×10 5 1 1×10 −1 1×10 2 1
Note) 1P＝1dyn·s/cm 2 ＝1g/cm·s
1Pa·s＝1N·s/m 2 ,1cP＝1mPa·s
Pa or N/m 2 MPa or N/mm 2 kgf/mm 2 kgf/cm 2 m /s cSt St
2
1 1×10 −6 1.019 72×10 −7 1.019 72×10 −5 1 1×10 6 1×10 4
Stress 1×10 6 1 1.019 72×10 −1 1.019 72×10 Kinematic Viscosity 1×10 −6 1 1×10 −2
9.806 65×10 6 9.806 65 1 1×10 2 1×10 −4 1×10 2 1
9.806 65×10 4 9.806 65×10 −2 1×10 −2 1 Note) 1St=1cm /s,1cSt=1mm /s
2
2
Note) 1Pa＝1N/m 2 ,1MPa＝1N/mm 2
mmHg
Pa kPa MPa bar kgf/cm 2 atm mmH2O or
Torr
1 1 ×10 −3 1 ×10 −6 1 ×10 −5 1.019 72 ×10 −5 9.869 23 ×10 −6 1.019 72 ×10 −1 7.500 62 ×10 −3
1 ×10 3 1 1 ×10 −3 1 ×10 −2 1.019 72 ×10 −2 9.869 23 ×10 −3 1.019 72 ×10 2 7.500 62
Pressure 1 1 ×10 6 5 1 1 ×10 3 2 1 1 ×10 −1 1 1 ×10 1.019 72 ×10 9.869 23 −1 1.019 72 ×10 5 4 7.500 62 ×10 3 2

1.019 72
9.869 23 ×10
×10
1.019 72 ×10
7.500 62 ×10
×10
9.806 65 ×10 4 9.806 65 ×10 9.806 65 ×10 −2 9.806 65 ×10 −1 1 9.678 41 ×10 −1 1 ×10 4 7.355 59 ×10 2

1.013 25 ×10 5 1.013 25 ×10 2 1.013 25 ×10 −1 1.013 25 1.033 23 1 1.033 23 ×10 4 7.600 00 ×10 2
9.806 65 9.806 65 ×10 −3 9.806 65 ×10 −6 9.806 65 ×10 −5 1 ×10 −4 9.678 41 ×10 −5 1 7.355 59 ×10 −2

1.333 22 ×10 2 1.333 22 ×10 −1 1.333 22 ×10 −4 1.333 22 ×10 −3 1.359 51 ×10 −3 1.315 79 ×10 −3 1.359 51 ×10 1

Note) 1Pa＝1N/m 2 kWCh kgfCm kcal W/(m·K) kcal/(h·m·˚C)
J
Work, Energy, Heat Quantity 3.600 1 ×10 6 2.777 78×10 －7 1.019 72×10 －1 2.388 89×10 －4 Thermal Conductivity 1.162 79 8.600 0×10 −1
1
2
5
8.600 0×10
3.670 98×10
1
1
9.806 65
2.342 70×10
－3
－6
1
2.724 07×10
2
2
1
1.162 79×10
3
4.186 05×10
8.600 0×10
1
−1
Note) 1J＝1W·s, 1J＝1N·m －3 4.268 58×10 2 kcal/h Coefficient of Heat Transfer W/(m ·K) kcal/(h·m ·˚C)
1.162 79
1
W
kgfCm/s
PS
Power Heat Flow 9.806 65 ×10 2 1.019 72×10 －1 1.359 62 ×10 －3 8.600 0×10 －1 Specific Heat J/(kg·K) 2.388 89×10 −4
1
kcal/(kg·˚C)
1
8.433 71
1.333 33 ×10
－2
cal/(g·˚C)
×10
7.5
7.355
1
2
1
6.325 29×10
1.162 79
1.580 95 ×10
1.185 72×10
－1
Note) 1W＝1J/s, PS: French Horsepower －3 1 4.186 05×10 3 1
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