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单位换算

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项目 换算方法 项目 换算方法
温度 ˚F = (℃x 1.8) + 32 压力/强度/系数 psi x 6.8949 = kPa
℃= (˚F-32) x 0.556 kPa x 0.145 = psi
长度 mil x 0.001 = inch psi x 0.0069 = MPa
inch x 1000 = mil MPa x 145 = psi
mm x 0.0394 = inch psi x 0.07031 = kg/cm2
inch x 25.4 = mm kg/cm2 x 14.2231 = psi
mil x .0254 = mm psi x 0.0069 = N/mm2
mm x 39.4 = mil N/mm2 x 145 = psi
面积 in2 x 0.000645 = m2 电力/绝缘强度 V/mil x 0.0394 = kV/mm
m2 x 1550 = in2 kV/mm x 25.381 = V/mil
mm2 x 0.00155 = in2 热膨胀系数 in/(in, ˚F) x 1.8 = m/(m, ℃)
in2 x 645.16 = mm2 m/(m, ℃) x 0.556 = in/(in, ˚F)
cm2 x 0.155 = in2 热传导度 BTU-in/(hr, ft2, ˚F) x 0.1442 = W/(m, °K)
in2 x 6.4516 = cm2 W/(m, °K) x 6.933 = BTU-in/(hr, ft2, ˚F)
体积 in3 x 16.3871 = cm3 BTU/(lb, ˚F) x 4.187 = J/(g, °K)
cm3 x 0.061 = in3 J/(g, °K) x 0.239 = BTU/(lb, ˚F)
密度 lbs/in3 x 27.805 = gm/cm3 悬臂梁/能源 J/cm x 1.87 = ft-lbs/in
gm/cm3 x 0.036 = lbs/in3 ft-lbs/in x 0.534 = J/cm
密度 oz x 28.354 = gm ft-lbs/in2 x 2.103 = kJ/m2
gm x 0.0353 = oz kJ/m2 x 0.4755 = ft-lbs/in2
lb x 453.592 = gm ft-lbs/in x 53.4 = J/m
gm x 0.0022 = lb J/m x 0.0187= ft-lbs/in
oz x 0.0284 = kg ft-lbs/in x 5.4432 = kg-cm/cm
kg x 35.27 = oz kg-cm/cm x 0.1837= ft-lbs/in
lb x 0.4536 = kg  
kg x 2.2046 = lb