단위환산표

(1) 길 이   (2) 면 적 cm m in ft 1 0.01 0.3937 0.03281 100 1 39.37 3.281 2.540 0.0254 1 0.08333 30.48 0.3048 12 1     cm² m² in² ft² 1 0.0001 0.155 0.001076 1×10⁴ 1 1550 10.76 6.452 0.000645 1 0.006944 929.0 0.09290 144 1   (3) 체 적   (4) 두 량(斗量) cm³ m³ in³ ft³ 1 1E-6 0.06102 0.00003531 1E6 1 61020 35.31 16.39 0.00001639 1 0.0005787 28320 0.02832 1728 1     m³ gal(UK) gal(US) ℓ 1 220.0 264.2 1000 0.004546 1 1.201 4.546 0.003785 0.8327 1 3.785 0.001 0.2200 0.2642 1  (注)1gal(US)=231in³,  1ft³=7.48 gal(US) (5) 질 량   (6) 밀 도 kg t lb ton sh tn 1 0.001 2.20462 0.0009842 0.0011023 1000 1 2204.62 0.9842 1.1023 0.45359 0.00045359 1 0.0004464 0.00055 1016.05 1.01605 2240 1 1.12 907.185 0.907185 2000 0.89286 1  (注) t:톤, ton: 영국톤(long ton), sh tn :미국톤(short ton)   g/m³ kg/m³ lb/in³ lb/ft³ 1 1000 0.03613 62.43 0.001 1 0.00003613 0.06243 27.68 27680 1 1728 0.01602 16.02 0.0005787 1  (注) 1g/cm³= 1t/m³   (7) 힘 N dyn kgf lbf pdl 1 1E5 0.101972 0.2248 7.233 1E-5 1 1.01972E-6 2.248E-6 7.233E-5 9.80665 9.80665E5 1 2.205 70.93 4.44822 4.44822E5 0.4536 1 32.17 0.138255 1.38255E4 0.01410 0.03108 1                                        (注) 1 dyn=1E-5N, 1 pdl(파운달) = 1ft·lb/s² (8) 압 력 kgf/cm² bar Pa atm mH₂O mHg lbf/in² 1 0.980665 0.980665E5 0.9678 10.000 0.7356 14.22 1.0197 1 1E5 0.9869 10.197 0.7501 14.50 1.0197E-5 1E-5 1 0.9869E-5 1.0197E-4 7.501E-6 1.450E-4 1.0332 1.01325 1.01325E5 1 10.33 0.760 14.70 0.10000 0.09806 9.80665E3 0.09678 1 0.07355 1.422 1.3595 1.3332 1.3332E5 1.3158 13.60 1 19.34 0.07031 0.06895 6.895E3 0.06805 0.7031 0.05171 1            (注) 1 Pa = 1 N/m², 1 bar= 1E5 Pa, 1lbf/in²= 1 psi, 1 Pa = 7.5 E-3 torr   (9) 응 력   (10) 속 도 kgf/cm² kgf/mm² Pa N/mm² lbf/ft² 1 1E-2 0.980665E5 0.0980665 2048 1E2 1 0.980665E7 9.80665 2.048E5 1.0197E-5 1.0197E-7 1 1E-6 0.02089 10.1972 0.101972 1E6 1 2.089E4 0.0004882 4.882E-6 47.86 4.788E-5 1  (注) 1 N/mm²= 1MPa   m/s km/h kn(미터법) ft/s mile/h 1 3.6 1.944 3.281 2.237 0.2778 1 0.5400 0.9113 0.6214 0.5144 1.852 1 1.688 1.151 0.3048 1.097 0.5925 1 0.6818 0.4470 1.609 0.8690 1.467 1   (注) kn : 노트, 미터법 1 노트= 1852 m/h (11) 점 도  cP P Pa·s kgf·s/m² lbf·s/m² 1 0.01 0.001 0.00010197 1.449E-7 100 1 0.1 0.0101973 1.449E-5 1000 10 1 0.101973 1.449E-4 9806.65 98.0665 9.80665 1 0.001422 6.9E6 6.9E4 6.9E3 7.03E2 1 (注) 1P= 1dyn·s/cm²= 1g/cm·s, 1Pa·s= 1N·s/m², 1cP=1mPa·s, 1lbf·s/in²= 1Reyn =6.9E6cP   (12) 동점도    (13) 각속도 cSt St m²/s ft²/s 1 1E-2 1E-6 0.00001076 100 1 1E-4 0.001076 1E6 1E4 1 10.76 92900 929.0 0.09290 1  (注) 1 St = 1 cm²/s    rpm rad/s 1 0.1047 9.549 1  (注) 1 rad=57.296。, rpm= r/min   (14) 체적유량 ℓ/s ℓ/min m³/s m³/min m³/h ft³/s 1 60 1E-3 0.06 3600 0.03532 0.01666 1 1.66666E-5 1E-3 6E-2 0.00059 1E3 6E4 1 60 3600 35.31 1.66666E1 1E3 1.66666E-2 1 60 0.5885 2.77777E-4 1.66666E1 2.77777E-4 1.66666E-2 1 0.00981 2.832E1 1.69833E3 2.832E-2 1.69833 101.9 1   (15) 일,에너지 및 열량 J kgf·m kW·h kcal ft·lbf Btu 1 0.10197 2.778E-7 2.389E-4 0.7376 9.480E-4 9.807 1 2.724E-6 2.343E-3 7.233 9.297E-3 3.6E6 3.671E5 1 860.0 2.655E6 3413 4186 426.9 1.163E-3 1 3087 3.968 1.356 0.1383 3.766E-7 3.239E-4 1 1.285E-3 1055 107.6 2.930E-4 0.2520 778.0 1  (注) 1J=1W·s, 1kgf·m=9.80665J, 1 W·h = 3600 W·s, 1 cal = 4.18605 J (16) 일 률 kW kgf·m/s PS HP kcal/s ft·lbf/s Btu/s 1 101.97 1.3596 1.3405 0.2389 737.6 0.9480 9.807E-3 1 1.333E-2 1.315E-2 2.343E-3 7.233 9.297E-3 0.7355 75 1 0.9859 0.1757 542.5 0.6973 0.746 76.07 1.0143 1 0.1782 550.2 0.7072 4.186 426.9 5.691 5.611 1 3087 3.968 1.356E-3 0.1383 1.843E-3 1.817E-3 3.239E-4 1 1.285E-3 1.055 107.6 1.434 1.414 0.2520 778.0 1  (注) W : SI 단위, 1 W=1J/s, 1kgf·m/s=9.80665W, PS:佛마력, HP : 英마력   (17) 열전도율   (18) 열전도계수 kcal/m·h·℃ Btu/ft·h·℉ W/(m·K) 1 0.6720 1.163 1.488 1 1.731 0.8600 0.5779 1  (注) W/(m·K) : SI단위, 1 cal(it)=4.1868J     kcal/m²·h·℃ Btu/ft²·h·℉ J/m²·h·℃ W/(m²·K) 1 0.2048 4187 1.163 4.882 1 2.044E4 5.678 2.389E-4 4.893E-5 1 2.778E-4 0.8598 0.1761 3599 1  (注) W/(m²·K) :SI단위, 1 cal=4.18605 J (19) 비 열    (20) 온 도 J/(kg·K) kcal/(kg·℃) Btu/(lb·。R) 1 2.38889E-4 2.38889E-4 4.18605E3 1 1  (注) 1 cal = 4.18605 J     섭씨(℃) → 화씨 (℉) ℉ = {(9/5)×℃}+32 화씨(℉) → 섭씨(℃) ℃ = (5/9) ×(℉-32)