压⼒、压强和应⼒单位换算表
帕斯卡(p a ) (=N/m 2)
公⽄⼒/毫⽶2
(k gf /mm 2)
⼯程⼤⽓压(at )(k gf /c m 2) 毫⽶⽔柱(m mH2O )标准⼤⽓压(at m )
毫⽶汞柱
(m
mH g )
1 1.02×10-7
1.02×10-5
0.102 0.99×10-5 0.102 98.07×105 1 100 10 6 96.78 10 6 98067 0.01 1 10 4 0.9678 10 4 9.807 10 -6 0.001 1 0.9678×10-4
1 101325 10-10 1.033 1033
2 1 10332 133.32
1.36×10-5
0.00136
13.6
0.00132
13.6
注:1托(T orr )=1毫⽶汞柱(m mH g )=133.32P a
1巴(ba r )=105P a=1.0197k g/c m 2=14.50p si
1kg /c m 2=14.22 ib /in 2 (p sj) 1
磅⼒
/英尺
2
(1b f /ft 2)=47.88P a
1
磅⼒
/英⼨2(1 b f /in 2)=6894.8P a=0.07031k g /c m 2=0.06895b ar
长度换算表
美制英制
毫⽶(mm)厘⽶(cm)⽶(m)英⼨(in)英尺(ft)码(y d)
1 0.10.010.039370.0032810.0011
10 1 0.10.39370.32810.011
1000100 1 39.3701 3.2808 1.0936
25.4 2.540.00254 1 0.08330.0278
304.830.480.304812 1 0.3333 914.491.44020.914436 3 1 注:1托(T orr)=1毫⽶汞柱(m mH g)=133.32P a 1巴(ba r)=10 5Pa=1.0197k g/cm2=14.50p si
1kg/c m2=14.22 ib/in2 (p sj)
1磅⼒/英尺2(1b f/ft2)=47.88P a
1磅⼒/英尺2(1b f/in2)=6894.8Pa=0.07031k g/cm2=0.06895b ar
功率单位换算表
⽡(W)千⽡(kw) 英制马⼒(HP)美制马⼒(PS)
1 0.0010.001340.00136
1000 1 1.3405 1.3596
745.70.746 1 1.0143
735.50.73550.9858 1
质量单位换算表
公吨(t)千克(k g)克(g)英吨(t n)美吨(sht n)磅(l g)英两(oz)
1 10000.984
2 1.10232204.6
0.001 1 1000 2.204635.274
0.001 1 0.0353
1.01611016.05 1 1.122240
0.9072907.190.8929 1 2000
0.4536453.59 1 16
0.024728.350.0625 1
注:1.千克⼜名公⽄;英吨⼜名长吨(lo n g t o n);美吨⼜名短吨(sh ort t on)
2.另有单位克拉(×)=0.2053克(g)
⼒的换算表
达因(dn)⽜顿(N)公⽄⼒(k gf)磅⼒(lbf)
1 10×105 1.02×10-6 2.248×10-6
10×105 1 0.101970.22485
9.81×1059.8066 1 2.2046
4.448×105 4.44830.4536 1
体积和容积单位换算表
⽶3(m3)升(l)
厘⽶3
(c m3)
英加仑
(UK gal)
美加仑
(U Sgal)
码3(yd3)
英尺 3
(ft3)
公斤力英⼨3
(in3)
1 10001000000220264.
2 1.30835.31561024 0.001 1 10000.220.26420.00130.035361.02
0.001 1 0.061 0.0045 4.5464546.1 1 1.2010.0060.1605277.42
0.0038 3.78543785.40.8327 1 0.004950.1337231 0.7646764.6764555168202 1 2746658 0.028328.31728317 6.22887.48050.37 1 1728
0.016416.3871 5.787×10-4 1
各种线规对照表:
美国线规断⾯积
A.W.G mm2M CM
300.050.100
280.080.158
260.130.253
240.200.404
220.320.640
200.52 1.024
180.81 1.6000.9
16 1.32 2.601 1.5
14 2.08 4.096 2
12 3.33 6.561 4
14 5.2710.404 6
128.3016.38410
1013.3026.24416
8 16.7833.124
6 21.0941.61625
4 26.5752.441
2 33.9466.56435
1 42.2283.521
0(1/0)53.52105.62550
00(1/0)67.51133.22570
000(2/0)85.16168.10095
0000(3/0)107.22211.600
126.68250
152.01300
177.38350
202.68400
253.35500
304.02600
1M CM=0.5607m m2
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