단 위 | ㎤ | ㎥ | ℓ | in³ | ft³ | gal(미) | ㎤ | 1 | 0.0000001 | 0.001 | 0.06102 | 0.00003 | 0.16368 | ㎥ | 1000000 | 1 | 1000 | 61027 | 35.3165 | 0.00026 | ℓ | 1000 | 0.001 | 1 | 61.027 | 0.03531 | 264.186 | in³ | 16.387 | 0.000016 | 0.01638 | 1 | 0.00057 | 0.26418 | ft³ | 28316.8 | 0.02831 | 28.3169 | 1728 | 1 | 0.00432 | gal(미) | 3785.43 | 0.00378 | 3.78543 | 231 | | 7.48051 |
밀도 | 단 위 | g/m³ | g/ℓ | kg/m³ | lb/in³ | lb/ft³ | Ib/gal | g/m³ | 1 | | 1000 | 0.03613 | 62.43 | | g/ℓ | 0.001 | 1 | 1 | 0.000036 | 0.062422 | 0.008345 | kg/m³ | 0.001 | 1 | 1 | 0.00003613 | 0.06243 | 0.008345 | lb/in³ | 27.68 | 27682.6 | 27680 | 1 | 1728 | 231.015 | lb/ft³ | 0.01602 | 16.02 | 16.02 | 0.0005787 | 1 | 0.13369 | Ib/gal | 0.11983 | 119.83 | 119.83 | 0.004329 | 7.48003 | 1 |
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. 힘 | 단 위 | N | dyn | kgf | lbf | pdl | N | 1 | 1E5 | 0.101972 | 0.2248 | 7.233 | dyn | 1E-5 | 1 | 1.01972E-6 | 2.248E-6 | 7.233E-5 | kgf | 9.80665 | 9.80665E5 | 1 | 2.205 | 70.93 | lbf | 4.44822 | 4.44822E5 | 0.4536 | 1 | 32.17 | pdl | 0.138255 | 1.38255E4 | 0.01410 | 0.03108 | 1 |
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단 위 | hp | kgf.m/s | W(J.s) | kW | kcal/s | BTU/s | hp | 1 | 76.3 | 745.7 | 0.7457 | 0.1782 | 0.7073 | kgf.m/s | 13.15e-3 | 1 | 9.807 | 9.807e-3 | 2.344e-3 | 9.296e-3 | W(J.s) | 1.342e-3 | 0.102 | 1 | 0.001 | 2.3884e-4 | 9.484e-4 | kW | 1.341 | 102 | 1000 | 1 | 0.239 | 0.9484 | kcal/s | 5.614 | 426.9 | 4187 | 4.187 | 1 | 3.968 | BTU/s | 1.415 | 107.6 | 1055 | 1.055 | 0.252 | 1 |
압력1 | 단 위 | atm | bar | ㎜Hg(torr) | ㎜H2O | psi(lb/ft2) | kgf/㎠ | Pa | atm | 1 | 1,01325 | 760 | 10332.2 | 14.6956 | 1.03323 | 101325 | bar
| 0.986923 | 1 | 750.06 | 10197.1 | 14.504 | 1.01972 | 100000 | ㎜Hg(torr) | 0.001316 | 0.001333 | 1 | 13.595 | 0.01934 | 0.00136 | 0.01333 | ㎜H2O | 0.000097 | 0.000098 | 0.073556 | 1 | 0.001422 | 0.0001 | 9.80669 | psi(lb/ft2) | 0.068046 | 0.068948 | 51.715 | 703.066 | 1 | 0.070307 | 6894.757 | kgf/㎠ | 0.967841 | 0.980665 | 735.559 | 10000 | 14.2233 | 1 | 98066.5 | Pa | 0.00001 | 0.00001 | 0.007502 | 0.101971 | 0.000145 | 0.000011 | 1 |
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(참고) 1 Pa = 1 N/m², 1 bar= 1E5 Pa, 1lbf/in²= 1 psi, 1 Pa = 7.5 E-3 torr 압력2 단 위 | kPa | bar | psi | kgf/cm² | mmH₂O | in H₂O | ft H₂O | mmHg | in Hg | torr | kPa | 1 | 0.01 | 0.14504 | 0.01020 | 101.972 | 4.01463 | 0.33455 | 7.50064 | 0.29530 | 7.50064 | bar | 100 | 1 | 14.5038 | 1.01972 | 10197.2 | 401.463 | 33.4552 | 750.064 | 29.5300 | 750.064 | psi | 6.89476 | 0.06895 | 1 | 0.07031 | 703.070 | 27.6799 | 2.30666 | 51.7151 | 2.03602 | 51.7151 | kgf/cm² | 98.0665 | 0.98067 | 14.2233 | 1 | 10000 | 393.701 | 32.8084 | 735.561 | 28.9590 | 735.561 | mmH₂O | 0.00981 | 0.00010 | 0.00142 | 0.00010 | 1 | 0.03937 | 0.00328 | 0.07356 | 0.00290 | 0.07356 | in H₂O | 0.24909 | 0.00249 | 0.03613 | 0.00254 | 25.4 | 1 | 0.08333 | 1.86833 | 0.07356 | 1.86833 | ft H₂O | 2.98907 | 0.02989 | 0.43353 | 0.03048 | 304.800 | 12.000 | 1 | 22.4199 | 0.88267 | 22.4199 | mmHg | 0.13332 | 0.00133 | 0.01934 | 0.00136 | 13.5951 | 0.53524 | 0.04460 | 1 | 0.03937 | 1 | in Hg | 3.38639 | 0.03386 | 0.49115 | 0.03453 | 345.316 | 13.5951 | 1.13202 | 25.4001 | 1 | 25.4001 | torr | 0.13332 | 0.00133 | 0.01934 | 0.00136 | 13.5951 | 0.53524 | 0.04460 | 1 | 0.03937 | 1 |
. 응력 | 단 위 | kgf/cm² | kgf/mm² | Pa | N/mm² | lbf/ft² | kgf/cm² | 1 | 1E-2 | 0.980665E5 | 0.0980665 | 2048 | kgf/mm² | 1E2 | 1 | 0.980665E7 | 9.80665 | 2.048E5 | Pa | 1.0197E-5 | 1.0197E-7 | 1 | 1E-6 | 0.02089 | N/mm² | 10.1972 | 0.101972 | 1E6 | 1 | 2.089E4 | lbf/ft² | 0.0004882 | 4.882E-6 | 47.86 | 4.788E-5 | 1 |
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(참고) 1 N/mm²= 1MPa 속도 | 단 위 | m/s | km/h | in/s | ft/s | mile/h | knots | m/s | 1 | 3.6 | 39.37 | 3.281 | 2.237 | 1.944 | km/hr | 0.2778 | 1 | 10.936 | 0.9113 | 0.6214 | 0.5400 | in/s | 0.0254 | 0.0914 | 1 | 0.833 | 0.0568 | 0.0494 | ft/s | 0.3048 | 1.097 | 12 | 1 | 0.6818 | 0.0293 | mile/h | 0.4470 | 1.6093 | 17.6 | 1.4667 | 1 | 0.8690 | knots | 0.5144 | 1.852 | 20.254 | 1.6878 | 1.1508 | 1 |
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(참고) knots : 노트, 미터법/ 1 노트= 1852 m/h 단 위 | deg | s | min | radians | quad | cycles | deg | 1 | 3600 | 60 | 0.017453 | 0.011111 | 0.002778 | s | 0.000278 | 1 | 0.016667 | 4.848e-6 | 3.086e-6 | 7.716e-7 | min | 0.016667 | 60 | 1 | 2.909e-4 | 1.852e-4 | 4.63e-5 | radians | 57.2958 | 206264 | 343.75 | 1 | 0.63662 | 0.159155 | quad | 90 | 324000 | 5400 | 1.5708 | 1 | 0.25 | cycles | 360 | 12296000 | 21600 | 6.28319 | 4 | 1 |
각속도 | 단 위 | rpm | rad/s | rpm | 1 | 0.1047 | rad/s | 9.549 | 1 |
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(참고) 1 rad=57.296。, rpm= r/min 단 위 | ㎝/s² | m/s² | in/s² | ft/s² | gal | g | ㎝/s² | 1 | 0.01 | 0.393701 | 0.032808 | 1 | 0.00102 | m/s² | 100 | 1 | 39.3701 | 3.28084 | 100 | 0.101971 | in/s² | 2.54 | 0.0254 | 1 | 0.083333 | 2.54 | 0.00259 | ft/s² | 30.48 | 0.3048 | 12 | 1 | 30.48 | 0.031081 | gal | 1 | 0.01 | 0.393701 | 0.032808 | 1 | 0.00102 | g | 980.665 | 9.80665 | 386.089 | 32.1741 | 980.665 | 1 |
점도 | 단 위 | cP | P | Pa·s | kgf·s/m² | lbf·s/in² | cP | 1 | 0.01 | 0.001 | 0.00010197 | 1.449E-7 | P(g/㎝.s) | 100 | 1 | 0.1 | 0.0101973 | 1.449E-5 | Pa·s | 1000 | 10 | 1 | 0.101973 | 1.449E-4 | kgf·s/m² | 9806.65 | 98.0665 | 9.80665 | 1 | 0.001422 | lbf·s/in² | 6.9E6 | 6.9E4 | 6.9E3 | 7.03E2 | 1 |
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단 위 | cP | P(g/㎝.s) | gmf.s/㎠ | lbf·s/in² | mPa-s | N.s/m² | cP | 1 | 0.01 | 0.02e-7 | 1.45E-7 | 1 | 0.001 | P(g/㎝.s) | 100 | 1 | 1.02e-6 | 1.45E-5 | 100 | 0.1 | gmf.s/㎠ | 98039.2 | 980.392 | 1 | 0.014219 | 98039.2 | 98.0392 | lbf·s/in² | 6894757 | 68947.57 | 70.3265 | 1 | 6894757 | 6894.76 | mPa-s | 1 | 0.01 | 1.02e-7 | 1.45e-7 | 1 | 0.001 | N.s/m² | 1000 | 10 | 0.0102 | 1.45e-4 | 1000 | 1 |
(참고) 1P= 1dyn·s/cm²= 1g/cm·s, 1Pa·s= 1N·s/m², 1cP=1mPa·s, 1lbf·s/in²= 1Reyn =6.9E6cP 동점도 | 단 위 | cSt | St | ㎠/s | m²/hr | in²/s | ft²/s | cSt | 1 | 0.01 | 0.01 | 0.0036 | 0.00155 | 1.076e-5 | St | 100 | 1 | 1 | 0.36 | 0.155039 | 0.001076 | ㎠/s | 100 | 1 | 1 | 0.36 | 0.155039 | 0.001076 | m²/hr | 277.778 | 2.77778 | 2.77778 | 1 | 0.430663 | 0.00299 | in²/s | 645 | 6.45 | 6.45 | 2.322 | 1 | 0.006943 | ft²/s | 92903 | 929.03 | 929.03 | 334.451 | 144.036 | 1 |
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(참고) 1 St = 1 cm²/s 체적 유량 | 단 위 | ℓ/s | ℓ/min | m³/s | m³/min | m³/h | ft³/s | ℓ/s | 1 | 60 | 1E-3 | 0.06 | 3600 | 0.03532 | ℓ/min | 0.01666 | 1 | 1.66666E-5 | 1E-3 | 6E-2 | 0.00059 | m³/s | 1E3 | 6E4 | 1 | 60 | 3600 | 35.31 | m³/min | 1.66666E1 | 1E3 | 1.66666E-2 | 1 | 60 | 0.5885 | m³/h | 2.77777E-4 | 1.66666E1 | 2.77777E-4 | 1.66666E-2 | 1 | 0.00981 | ft³/s | 2.832E1 | 1.69833E3 | 2.832E-2 | 1.69833 | 101.9 | 1 |
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일, 에너지 및 열량 | 단 위 | J | kgf·m | kW·h | kcal | ft·lbf | Btu | J(N.m) | 1 | 0.10197 | 2.778E-7 | 2.389E-4 | 0.7376 | 9.480E-4 | kgf·m | 9.807 | 1 | 2.724E-6 | 2.343E-3 | 7.233 | 9.297E-3 | kW·h | 3.6E6 | 3.671E5 | 1 | 860.0 | 2.655E6 | 3413 | kcal | 4186 | 426.9 | 1.163E-3 | 1 | 3087 | 3.968 | ft·lbf | 1.356 | 0.1383 | 3.766E-7 | 3.239E-4 | 1 | 1.285E-3 | Btu | 1055 | 107.6 | 2.930E-4 | 0.2520 | 778.0 | 1 |
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(참고) 1J=1W·s, 1kgf·m=9.80665J, 1 W·h = 3600 W·s, 1 cal = 4.18605 J 일률 | 단 위 | kW | kgf·m/s | PS | HP | kcal/s | ft·lbf/s | Btu/s | kW | 1 | 101.97 | 1.3596 | 1.3405 | 0.2389 | 737.6 | 0.9480 | kgf·m/s | 9.807E-3 | 1 | 1.333E-2 | 1.315E-2 | 2.343E-3 | 7.233 | 9.297E-3 | PS | 0.7355 | 75 | 1 | 0.9859 | 0.1757 | 542.5 | 0.6973 | HP | 0.746 | 76.07 | 1.0143 | 1 | 0.1782 | 550.2 | 0.7072 | kcal/s | 4.186 | 426.9 | 5.691 | 5.611 | 1 | 3087 | 3.968 | ft·lbf/s | 1.356E-3 | 0.1383 | 1.843E-3 | 1.817E-3 | 3.239E-4 | 1 | 1.285E-3 | Btu/s | 1.055 | 107.6 | 1.434 | 1.414 | 0.2520 | 778.0 | 1 |
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(참고) W : SI 단위, 1 W=1J/s, 1kgf·m/s=9.80665W, PS : 佛마력, HP : 英마력 단 위 | lux | foot-candle | lumen/ft² | lumen/m² | phot | lux | 1 | 0.092903 | 0.92903 | 1 | 0.0001 | foot-candle | 10.76391 | 1 | 1 | 10.76391 | 0.001076 | lumen/ft² | 10.76391 | 1 | 1 | 10.76391 | 0.001076 | lumen/m² | 1 | 0.092903 | 0.92903 | 1 | 0.0001 | phot | 10000 | 929.03 | 929.03 | 10000 | 1 |
단 위 | candela/in² | candela/m² | foot-lambert | lambert | stilb | candela/in² | 1 | 1550.003 | 452.389 | 0.486948 | 0.155 | candela/m² | 0.000645 | 1 | 0.000188 | 0.000314 | 0.0001 | foot-lambert | 0.00221 | 3.42626 | 1 | 0.001076 | 0.000343 | lambert | 2.05361 | 3183.1 | 929.03 | 1 | 0.31831 | stilb | 6.4516 | 10000 | 2918.63 | 3.1415915 | 1 |
단 위 | % | ug/ℓ | mg/ℓ | g/ℓ | ppm | ppb | % | 1 | 1e8 | 10000 | 10 | 10000 | 1e8 | ug/ℓ | 1e-7 | 1 | 0.001 | 0.000001 | 0.001 | 1 | mg/ℓ | 0.0001 | 1000 | 1 | 0.001 | 1 | 1000 | g/ℓ | 0.1 | 1e7 | 0.001 | 0.000001 | 0.001 | 1e7 | ppm | 0.0001 | 1000 | 1 | 0.001 | 1 | 1000 | ppb | 1e-7 | 1 | 0.001 | 0.000001 | 0.001 | 1 |
열전도율 | 단 위 | kcal/m·h·℃ | Btu/ft·h·℉ | W/(m·K) | kcal/m·h·℃ | 1 | 0.6720 | 1.163 | Btu/ft·h·℉ | 1.488 | 1 | 1.731 | W/(m·K) | 0.8600 | 0.5779 | 1 |
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(참고) W/(m·K) : SI단위, 1 cal(it)=4.1868J 열전도계수 | 단 위 | kcal/m²·h·℃ | Btu/ft²·h·℉ | J/m²·h·℃ | W/(m²·K) | kcal/m²·h·℃ | 1 | 0.2048 | 4187 | 1.163 | Btu/ft²·h·℉ | 4.882 | 1 | 2.044E4 | 5.678 | J/m²·h·℃ | 2.389E-4 | 4.893E-5 | 1 | 2.778E-4 | W/(m²·K) | 0.8598 | 0.1761 | 3599 | 1 |
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(참고) W/(m²·K) : SI단위, 1 cal=4.18605 J ℉→℃:5/9x(℉-32) | ℃→Kelvin:℃+273.15 | ℃→℉:(9/5x℃)+32 | ℉→Rankine:℉+459.67 |
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