250 TECHNICAL INFORMATION 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. 2. Conversion Tables for SI and Conventional Units (The units enclosed by thick lines are the SI units.) Note) 1P=1dyn·s/cm2=1g/cm·s 1Pa·s=1N·s/m2, 1cP=1mPa·s Note) 1St=1cm2/s, 1cSt=1mm2/s Note) 1Pa=1N/m2, 1MPa=1N/mm2 Note) 1Pa=1N/m2 Note) 1Pa=1N/m2, 1MPa=1N/mm2 Note) 1W=1J/s, PS: French Horsepower Multiples of Unit Prefix Multiples of Unit Prefix Multiples of Unit Prefix Name Symbol Name Symbol Name Symbol 1018 Exsa E 102 Hecto h 10−9 Nano n 1015 Peta P 101 Deca da 10−12 Pico p 1012 Tera T 10−1 Deci d 10−15 Femto f 109 Giga G 10−2 Centi c 10−18 Atto a 106 Mega M 10−3 Milli m 103 Kilo k 10−6 Micro μ Force N dyn kgf 1 1×105 1.019 72×10−1 1×10−5 1 1.019 72×10−6 9.806 65 9.806 65×105 1 Viscosity Pa·s cP P 1 1×103 1×10 1×10−3 1 1×10−2 1×10−1 1×102 1 Stress Pa or N/m2 MPa or N/mm2 kgf/mm2 kgf/cm2 1 1×10−6 1.019 72×10−7 1.019 72×10−5 1×106 1 1.019 72×10−1 1.019 72×10 9.806 65×106 9.806 65 1 1×102 9.806 65×104 9.806 65×10−2 1×10−2 1 Kinematic Viscosity m2/s cSt St 1 1×106 1×104 1×10−6 1 1×10−2 1×10−4 1×102 1 Pressure Pa kPa MPa bar kgf/cm2 atm mmH2O mmHg 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 1×103 1 1×10−3 1×10−2 1.019 72×10−2 9.869 23×10−3 1.019 72×102 7.500 62 1×106 1×103 1 1×10 1.019 72×10 9.869 23 1.019 72×105 7.500 62×103 1×105 1×102 1×10−1 1 1.019 72 9.869 23×10−1 1.019 72×104 7.500 62×102 9.806 65×104 9.806 65×10 9.806 65×10−2 9.806 65×10−1 1 9.678 41×10−1 1×104 7.355 59×102 1.013 25×105 1.013 25×102 1.013 25×10−1 1.013 25 1.033 23 1 1.033 23×104 7.600 00×102 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 22×102 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 Work, Energy, Heat Quantity J kW·h kgf·m kcal 1 2.777 78×10−7 1.019 72×10−1 2.388 89×10−4 3.600 ×106 1 3.670 98×105 8.600 0 ×102 9.806 65 2.724 07×10−6 1 2.342 70×10−3 4.186 05×103 1.162 79×10−3 4.268 58×102 1 Power Heat Flow W kgf·m/s PS kcal/h 1 1.019 72×10−1 1.359 62×10−3 8.600 0 ×10−1 9.806 65 1 1.333 33×10−2 8.433 71 7.355 ×102 7.5 ×10 1 6.325 29×102 1.162 79 1.185 72×10−1 1.580 95×10−3 1 Thermal Conductivity W/(m·K) kcal/(h·m·˚C) 1 8.600 0×10−1 1.162 79 1 Coefficient of Heat Transfer W/(m2·K) kcal/(h·m2·˚C) 1 8.600 0×10−1 1.162 79 1 Specific Heat J/(kg·K) kcal/(kg·˚C) cal/(g·˚C) 1 2.388 89×10−4 4.186 05×103 1
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