长度:
1 in.=25.4 mm 1 ft=0.3084 m 1 yd=0.9144 m 1 mi=1.609 km | 1 mm=0.03937 in 1 m=3.28 ft =1.094 yd 1 km=0.6215 mi |
质量:
1 oz=28.3 g 1 lb=0.454 kg 1 ton(U.K.)=1.02 t 1 ton(U.S.)=0.907 t | 1 kg=35.27 oz =2.2 lb 1 t=0.9842 ton(U.K.) =1.1023 ton(U.S.) |
面积:
1 in2=6.45 cm2 1 ft2=0.0929 m2 1 yd2=0.836 m2 1 ac=0.405 ha=4050 m2 1 mi2=2.59 km2 | 1 cm2=0.155 in2 1 m2=10.8 ft2 =1.2 yd2 1 ha=2.47 ac 1 km2=0.386 mi2 |
体积:
1 in3=16.4 cm3 1 ft3=0.0283 m3 1 yd3=0.765 m3 | 1 cm3=0.061 in3 1 m3=35.3 ft3 =1.31 yd3 |
容积:
1 gal(U.S.)=3.785 l 1 bbl(U.S.)=42 gal=159 l 1 gal(U.K.)=4.55 l 1 bbl(U.K.)=36 gal=163.65 l | 1 m3=220 gal(U.K.) =264.2 gal(U.S.) =6.11 bbl(U.K.) =6.29 bbl(U.S.) |
1 lbf=4.45 N 1 kgf=9.8N | 1 N=0.225 lbf =0.102 kgf |
速度:
1 mi/h=1.61 km/h屋顶上的绿宝石歌曲 1 kn=1.85 km/h | 1 km/h=0.278 m/s 1 m/s=3.6 km/h=3.28 ft/s |
压力:
1 psi=0.0703 kg/cm2 我们的梦 =0.068 atm=6.89 kpa 1 atm=760 mmHg =10.332 m.H2O=101 kpa | 1 Kpa=0.145 psi 1 Mpa=9.87 atm =7.5 m.Hg =102 m.H2O |
流量:
1 ft3/min=0.472 l/s 1 gal/min(U.S.)=0.0631 l/s 1 gal/min(U.K.)=0.0758 l/s | 1 m3/h=0.278 l/s |
温度:
n ℉=[(n-32)×5/9] ℃ | n ℃=(9n/5+32) ℉ |
密度:
1 ppg(U.S.)=0.12 g/cm3 1 ppg(U.K.)=0.0998 g/cm3 | 1 g/cm袁姗姗 潜规则3=8.344 ppg(U.S.) =10.02 ppg(U.K.) |
角度:
1 º=0.01745 rad | 1 rad=57.3 º |
功率:
1 hp(U.K.)=1.014 hp=0.746 kw | 1 hp=0.735 kw |
扭矩:
1 lb.ft=0.138225 kgf.m=1.355 N.m | 1 N.m=0.102 kg.f.m |
渗透率:
1 D=0.987 μm2 | 1μm2=1.01325 D |
超好听的中文歌曲
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