Duray为您提供计量单位与简易换算查询：
1.长度单位:
| 1 in = 25.4 mm | 1 ft = 0.3048 m |
| 1 mile = 1609.3 m | 1 micron =10-6 m |
2. 质量单位:
| 1 lb = 453.6 g | 1 cwt = 50.8 Kg | 1 ton(imp) = 1016Kg |
| 1 ton(美吨) = 907.2 Kg | 1 tonne = 1000Kg |
3.力矩单位:
| 1 inlb = 0.113 Nm | 1 ftlb = 1.356 Nm |
| 1 kgm = 9.807 Nm | 1 ft poundal = 0.0421Nm |
4.温度单位:
| (º F-32) x 5/9 = º C | K-273.15 = º C |
5.功及能量单位:
| 1 lbft = 1.356 J | 1 Nm = 1 J |
| 1 kgm = 9.807 J | 1 kW/hr = 3.6MJ |
6.面积单位:
| 1 in2 = 6.45cm2 | 1 ft2 = 0.093m2 |
7.压力单位:
1 psi= 6.89 kPa 1 kgf/cm2 = 98.07kPa
1 bar= 100 kPa 1 bar = 14.5 psi
1atmosphere = 98.1 kPa 1"(STANDARD) = 101.33 kPa
1 cmwater = 97.89Pa 1 in water = 248.64 Pa
1 mmmercury = 133.3 Pa 1 in mercury = 3.39 kPa
1 Torr= 133.3 Pa 1 ft water = 0.0298 bar
1 bar= 33.33 ft water
8.体积单位:
1litre= 0.001 m3 1 cu.ft. = 0.0283m3
1cu.in.= 16.39 cm3 1 gal(imp) = 4.546L
1gal(us) = 3.79 L 1 fluid oz.(imp) = 28.41 mL
1fluid oz.(us) = 29.57 mL
9.力单位:
| 1 lbf = 4.45 N | 1kgf = 9.81 N | 1 kp(kilopond) = 9.81N |
| 1 poundal = 138.3mN | 1 ton force = 9.964kM |
10.功率单位(功/时间）:
| 1 lbft/sec = 1.356W | 1 kgm/sec = 9.807W | 1Nm/sec = 1 W |
| 1 Nm/sec = 1 W | 1 Joule/sec = 1 W | 1 H.P.(imp) = 745.7W |
11.流量单位:
| Cv值：水流量(US gal/min)于60ºF下，流经差压为1psi之阀门而所得出之流量定值。（ Cv X 1000=l/min ) |
| kv值：水流量 (L/ min)于20ºF下，流经差压为1kgf/cm2之阀门而所得出之流量定值。 |
| KV值: 水流量 (m3于20ºF下，流经差压为1kgf/cm2之阀门而所得出之流量定值。 /min) |
| S值：气动元件有效截面积（mm2) |
| 流量系数之间的转换： |
| CV = 1.17 KV S = 18.45CV |
| S.T.P = 标准温度及压力 （0 º C 及101.3 kPa**压力） |
| N.T.P = 正常温度及压力 （20 º C 及101.3 kPa**压力） |
| M.S.C = 公制标准情况 （15 º C 及101.3 kPa**压力） |
| ANR = 温度 ：20 °C及相对湿度：65% |
12.等值换算:
| 1 psi = 6.895 kPa =0.07kg/cm2 = 0.06895 bar =0.0703 atm |
| 1 standard atmosphere = 14.7psi = 101.3 kPa = 1.01325 bar |
| 1 kg/cm2 = 98.07 kPa = 14.22psi = 28.96 ins mercury |
| 1 ft lb = 0.13826 kgm = 1.356Nm |
| 1 L = 1000 cm3 = 1.7598 pint = 106 mm3 |
| 1 tonne = 1000 kg = 0.984 ton= 2205 lb |
| 1 m3 = 106 cm3 |
| 1 cu ft/min = 0.0283 m3/min =28.3 l/min |
| 1 Pa = 1 N/m2 |
13.单位缩写:
| 单 位 | 缩 写 | 单 位 | 缩 写 |
| Pascal | Pa | Newton | N |
| metre | m | litre | L |
| Watt | W | Newton metre | Nm |
| Joule | J | Megajoule | MJ |
| ° Kelvin | K |
