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1、常用压力计量单位及其标识符号常用压力计量单位及其标识符号:吉帕吉帕(GPa)(GPa)兆帕（兆帕（MPaMPa）;千帕（千帕（kPakPa）;帕（帕（PaPa）:压力单位的兆帕符号为压力单位的兆帕符号为 MPaMPa 不要书写为不要书写为 Mpa mpa;Mpa mpa;千帕符号千帕符号 kPakPa 不要书写为不要书写为KPa KpaKPa Kpa 或或 kpa;kpa;帕的符号帕的符号 PaPa 不要书写为不要书写为 papaGpa和Mpa是工程力学里面应力的单位1Gpa=103Mpa1Mpa=106pa1Gpa=109pa,1 1、正确写法：、正确写法：MPa kPaMPa kPa 注意
2、字母大小写注意字母大小写2 2、1MPa=1000000Pa 1kPa=1000Pa1MPa=1000000Pa 1kPa=1000Pa1MPa=1000kPa1MPa=1000kPa1MPa=1000Kpa1MPa=1000Kpa1KPa=1000Pa1KPa=1000Pa1 1 大气压大气压=100KPa=0.1Mpa=100KPa=0.1Mpa1 1 大气压大气压=1=1 公斤公斤(Kgf/cm2)=760mmHg(Kgf/cm2)=760mmHg1 1 大气压大气压=14.5PSI=14.5PSI1KPa=10mbar1KPa=10mbar1bar=1000mbar1bar=1000m
3、bar压力单位换算表压力单位换算表单位单位PaPakgf/ckgf/cmmHmmHKPaKPaMPaMPabarbar mbar mbarcmHcmH2 2OO mmmHmH2 2OOmm2 2g gp.s.ip.s.iPaPa1 110.210.2 1.021.02 101.97101.97 7.57.5 0.150.15 1010-3-31010-6-61010-5-51010-2-21010-6-61010-3-31010-3-31010-3-31010-3-310.210.2 1010-3-3KPaKPa10103 31 11010-3-31010-2-2101010.210.2101
4、.97101.977.57.50.150.15MPaMPa10106 610103 31 1101010104 410.210.21.021.02 101.97101.97 7.57.5 10103 31.021.02 10103 310103 30.150.15 10103 3barbar10105 510102 21010-1-1750.0750.01 110103 31.021.0210.210.2 10103 310103 36 6 1.02 1.02 1010-3-314.514.5mbarmbar10102 21010-1-11010-4-410101 11.021.0210.21
5、0.20.750.7514.514.5 1010-3-3kgf/cmkgf/cm2 2 98066 98066.5.598.0798.0798.0798.07 980.6980.6 0.98 0.987 71 11000100010.00010.000735.5735.56 614.2214.221010-3-398.0798.07 98.0798.07 0.980.98cmHcmH2 2OO 98.06 98.06 1010-3-3 0.98 0.981010-3-31 1 10 100.740.7414.2214.22 10103 31010-6-61010-3-3 73.56 73.56
6、1010-4-40.10.11 1 1010-3-39.8079.807 9.8079.807 98.0798.0798.0798.07mmHmmH2 2OO 9.806 9.806 1010-3-3 1.421.42 1010-3-31010-6-61010-6-61010-3-3mmHgmmHg 133.3 133.32 2133.3133.3 133.3133.3 1.331.332 2 1010-3-32 2 1.33 1.331.361.36 1010-3-31.361.3613.613.61 1 19.34 19.34 1010-3-31010-6-61010-3-368.9568
7、.95 1010-3-3p.s.ip.s.i 6894.6894.76766.896.896.896.89 1010-3-3 68.9 68.95 570.3170.31 1010-3-370.3170.31703.07703.0751.7151.711 1 流量单位换算表流量单位换算表单位单位 mm3 3/S/SL/SL/Scmcm3 3/S Smm3 3/h/hmm3 3/m/mininL/hL/hL/minL/minft/minft/min gallongallon(scfm)(scfm)min UKmin UKgallongallonminminUSAUSAmm3 3/S/S1 110
8、103 310106 63.63.6 10103 360603.63.6 10106 66060 10103 32.122.12 10103 313.213.2 15.8515.85 10103 310103 3L/SL/S1010-3-31 110103 33.63.66060 1010-3-33.63.6 10103 360602.122.1213.213.215.8515.85cmcm3 3/S/S 1010-6-61010-3-31 13.63.6 6060 1010-3-31010-6-616.6716.671 1 1010-3-33.63.66060 1010-3-32.122.1
9、2 13.213.2 15.5815.58 1010-3-31010-3-31010-3-30.280.28mm3 3/h/h 1010-3-3mm3 3/m/m 16.6716.67inin0.280.280.280.28 1010-3-310103 316.6716.670.590.593.673.674.44.416.6716.6716.6716.67 60601 16060 10103 310103 335.3135.31219.97219.97 264.17264.171010-3-30.280.28 0.280.28L/hL/h 1010-3-316.6716.670.280.28
10、1010-3-3 1010-3-31 116.6716.67 0.590.59 1010-3-31010-3-33.673.67 1010-3-34.44.4 1010-3-31010-6-61010-3-316.6716.6716.6716.67L/minL/min 16.6716.676060 1010-3-31010-3-360601 135.3135.31 1010-3-3219.97219.97 1010-3-3264264 1010-3-31010-6-61010-3-3ft/mift/min n(scfm(scfm)gallogallon nminminUKUK0.470.47
11、1010-3-30.470.470.470.47 1.6991.69910103 328.3228.32 1010-3-31.6991.699 10103 328.3228.321 16.236.237.487.4875.7975.7975.7975.79 75.77 0.27375.77 0.2734.554.55 0.2730.273 1010-3-310103 34.554.550.160.161 11.21.21010-6-61010-3-3gallogallon nminminUSAUSA63.0963.0963.0963.09 63.09 0.22763.09 0.2273.793
12、.79 0.2270.227 1010-3-310103 33.793.790.130.130.830.831 11010-6-61010-3-3容积单位换算表公公升升公公秉秉LiterLiterKiloliterKiloliter美制加仑美制加仑英制加仑英制加仑U.S.GalloU.S.GalloImp.GalloImp.Gallon nn n美美桶桶BarrelBarrel立立 方方 寸寸立立 方方 尺尺CubicCubicFeetFeetCubicCubicInchInch1 10.0010.0010.264178 0.2199750.264178 0.2199750.000620.00
13、0629 90.0353160.03531661.02661.026100010001 10.003780.003785 50.004540.004546 6264.178264.178219.978219.978 6.289956.2899535.31635.31661026610263.785333.785331 10.832680.83268 0.023810.02381 0.1336810.133681231231*4.545964.545961.200941.200941 10.028590.028594 40.1605440.160544277.42277.42158.984158
14、.9840.158980.158984 40.028310.028316 64242*34.972634.97261 15.61465.61469.7029.702*28.31628.3167.48057.48056.22886.22880.178110.178111 11.7281.7280.016380.01638 0.000010.000017 76 60.004329 0.0036050.004329 0.0036050.000100.000103 30.0005790.0005791 1*此项数字系规定值此项数字系规定值 1 1 立方公尺立方公尺=1=1 公秉公秉=10=10，000
15、0 升升重量单位换算表公公斤斤KilogramKilogram1 1100010000.453920.45392907.184907.1841016.0461016.046公公吨吨Metric tonMetric ton0.0010.0011 10.0004540.0004540.9071850.90718510016051001605磅磅PoundPound2.204622.204622204.622204.621 12000200022402240短短吨吨Short tonShort ton0.0011020.0011021.102311.102310.00050.00051 11.121
16、.12长长吨吨Long tonLong ton0.009840.009840.9842050.9842050.0004460.0004460.8928570.8928571 11 1 市斤市斤=0.5000=0.5000 公斤公斤=1.1023=1.1023 磅磅长度单位换算表公公里里公公尺尺公公分分公公厘厘公公寸寸kmkm1 1mm10001000cmcm10105 5mmmm10106 6inin英英尺尺ftft英英里里milemile39370393703280.833280.830.621360.621360.0006210.0006214 40.0010.0011 110010010
17、010039.3739.373.280833.280831010-5-50.010.011 110100.39370.39370.0328020.0328020.00.05 562620.003930.003937 71010-6-60.0010.0010.10.11 10.0032810.0032810.00.06 662622.542.54 1010-5-50.3840.384 1010-4-40.02540.02542.5402.54025.400025.40005 51 10.083330.083330.0000150.0000158 80.0001890.00018939390.30
18、480.304830.48030.480304.801304.80112121 11 1（英海）（英海）=1.150776=1.150776 英里英里=6076=6076 英尺英尺=1.852=1.852 公尺，公尺，1 1 市尺市尺=1.0936=1.0936 英英尺尺面积单位换算表平方公尺平方公尺平方寸平方寸mm2 2inin2 2平方尺平方尺ftft2 2英英亩亩平方英里平方英里平方公分平方公分平方公厘平方公厘acreacre0.000240.000247171sq-milesq-milecmcm2 2mmmm2 21 11550155010.7610.760.00.09 9386138
19、61100001000010105 50.000640.0006452520.092900.092901 10.006940.006944 41 10.00.06 61594 0.01594 0.06 6249124916.4526.452645.2645.21441440.00.07 72296 0.02296 0.07 735873587929.0929.00.001560.00156 404700040470002 20 09290092900404740476272640627264043560435601 140474047 10106 62589998258999827878402
20、7878400 0640640259259 10109 925.925.9 101011111 1 公顷公顷=100=100 公亩公亩=10.000=10.000 平方公尺平方公尺=2.471=2.471 英亩英亩=1.0310=1.0310 里里 1 1 里里=96.99194=96.99194 公亩公亩=2.3967=2.3967 英亩英亩=2.934=2.934 坪坪主要力量单位换算表（国际标准单位与公制单位换算）力量名称力量名称空气压力空气压力荷荷 重重 力力扭扭力力真空压力真空压力国际单位国际单位-公制单位公制单位公制单位公制单位-国际单位国际单位1MPa=10.2kgf/cm1MP
21、a=10.2kgf/cm2 21kgf/cm1kgf/cm2 2=0.098MPa=0.098MPa1N1N m=0.102kgfm=0.102kgf mm1N1N m=0.102kgfm=0.102kgf-1KPa=-7.5mmHg-1KPa=-7.5mmHg1kgf=9.8N1kgf=9.8N1kgf1kgf m=9.8Nm=9.8N mm-1mmHg=-0.133KPa-1mmHg=-0.133KPa惯性力距惯性力距1Kg1Kg mm2 2=10.2kgf=10.2kgf cmcm 1kg1kg cmcm s=0.098Kgfs=0.098Kgf s smm2 2功率单位换算表单位单位瓦
22、（瓦（ww）千克力米千克力米/秒秒（kgfkgf m/sm/s）卡卡/秒（秒（cal/scal/s）米制马力（米制马力（hphp）英热单位英热单位/时（时（Btu/hBtu/h）瓦瓦（ww）1 10.101970.101974.18684.1868735.499735.4990.2930710.293071千克力米千克力米/秒秒（kgfkgf m/sm/s）9.806659.806651 141.05841.0587212.787212.782.8742.874卡卡/秒秒（cal/scal/s）0.23880.23880.02430.02431 1175.64175.640.0700.070米
23、制马力米制马力（hphp）1.36*101.36*10-3-31.39*101.39*10-4-45.69*105.69*10-3-31 13.99*103.99*10-4-4英热单位英热单位/时时（Btu/hBtu/h）3.4123.4120.3480.34814.28514.2852509.522509.521 1热功单位换算表焦耳焦耳单位单位(J)(J)焦耳焦耳J J千卡千卡 kcalkcal千克力米千克力米 kgfkgf mm千瓦小时千瓦小时 kW.hkW.h公制马力小时公制马力小时2.6482.648 10106 6Hp.hHp.h英制马力小时英制马力小时UKHpUKHp h h英尺
24、磅力英尺磅力 ftft lbflbf英热单位英热单位 BtuBtu2.684522.68452 1 14186.754186.759.806659.806653.63.6 10106 6千卡千卡kcalkcal2.3892.389 1010-4-41 12.342*102.342*10-3-3860.04860.04千克力米千克力米kgfkgf mm0.102040.10204427.216427.2161 13.673.67 10105 5千瓦小时千瓦小时kW.hkW.h2.7782.778 1010-7-71.227*101.227*10-3-32.724*102.724*10-6-61
25、1公制马力小时公制马力小时hphp h h3.7773.777 1010-7-71.58*101.58*10-3-33.704*103.704*10-6-61.361.36632.61632.612.7032.703 10105 50.73560.73561 1641.33641.3310106 61.355821.355821055.061055.063.24*103.24*10-4-40.2520.2522.7392.739 10105 50.74580.74581.0141.0140.13830.1383107.658107.6583.766*3.766*-7-73.1*103.1*10
26、-4-45.12*105.12*10-7-73981*103981*10-4-4传热系数/热导率单位转换表单位单位千卡千卡/(/(米米2 2时摄氏时摄氏瓦瓦/（米（米2 2开尔文）开尔文）英热单位英热单位/（英尺（英尺2 2时时F F）度）度）kcal/(mkcal/(m2 2 h h)千卡千卡/(/(米米2 2时摄氏度）时摄氏度）1 1kcal/(mkcal/(m2 2 h h)瓦瓦/（米（米2 2开尔文）开尔文）0.86000.8600W/(mW/(m2 2 K)K)英热单位英热单位/（英尺（英尺2 2时时F F）Btu/(ftBtu/(ft2 2 h hF F）质量单位换算表W/(mW/
27、(m2 2 K)K)Btu/(ftBtu/(ft2 2 h hF F）1.162791.162790.20480.20481 10.17610.17614.88284.88285.67775.67771 1单位单位吨吨（t t）千克千克（kgkg）英吨英吨(UKton)(UKton)磅磅（lblb）盎司盎司（ozoz）3.5273.527短吨短吨长吨长吨（sh.tonsh.ton）(long ton)(long ton)吨（吨（t t）1 1100010000.98420.9842220522051.1021.102*10*104 40.9840.984千克（千克（kgkg）0.0010.00
28、11 19.8429.8422.2052.20535.2735.271.11.19.89.8*10*10-4-4英吨英吨1.01611.0161(UKton)(UKton)磅（磅（lblb）4.5354.5350.4540.454*10*10-4-4盎司（盎司（ozoz）2.8352.8350.028350.02835*10*10-5-5短吨短吨0.9070.907（sh.tonsh.ton）长吨长吨1.0161.016(long ton)(long ton)*10*10-3-33.5843.584*10*10-4-41016.11016.11 12240.52240.5*10*104 41.121.121 14.4634.4631 1*10*10-4-42.792.79*10*10-5-56.2516.2511 1*10*10-2-23.23.29079070.8930.89320002000*10*104 43.5833.583101610161 12240.282240.28*10*104 415.99515.9955.05.0*10*10-4-43.1243.124*10*10-5-54.4624.462*10*10-4-42.792.79*10*10-5-51 10.8920.8921.121.121 1