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 | |
. 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 | |
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 | |
(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 | |
(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 | |
(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 | |
(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 | |
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 | |
(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 | |
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 | |
(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 | |
(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 | |
(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 | |
(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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