9.2. Unit Converions#
Length#
1 \(m\) |
= |
100 \(cm\) |
= |
1000 \(mm\) |
|
= |
3.2808 \(ft\) |
|
= |
39.370 \(in\) |
|
= |
1.0936 \(yd\) |
|
2.5400 \(cm\) |
= |
1 \(in\) |
1 \(ft\) |
= |
12 \(in\) |
5280 \(ft\) |
= |
1 \(mi\) |
1 \(km\) |
= |
0.62137 \(mi\) |
Mass#
1 \(kg\) |
= |
1000 \(g\) |
= |
2.20462 \(lb_m\) |
|
= |
0.06852 \(slug\) |
|
1 \(slug\) |
= |
32.174 \(lb_m\) |
1 \(ton\) |
= |
2000 \(lb_m\) |
Force#
1 \(N\) |
= |
0.22481 \(lb_f\) |
= |
1 \(kg \ m/s^2\) |
Pressure#
1 \(kN/m^2\) |
= |
1 \(kPa\) |
= |
20.8855 \(lb_f/ft^2\) |
|
= |
0.14504 \(lb_f/in^2\) |
|
= |
0.14504 \(psi\) |
|
= |
0.2953 \(in \ Hg\) |
|
= |
4.0146 \(in \ H_2O\) |
|
101.325 \(kPa\) |
= |
1 \(atm\) |
= |
14.6959 \(psi\) |
|
= |
760 \(mm \ Hg \ at \ 0^{\circ} C\) |
|
1 \(bar\) |
= |
\(10^5\) \(Pa\) |
Stress / Modulus#
1 \(kN/m^2\) |
= |
1 \(kPa\) |
= |
0.14504 \(ft_f/in^2\) |
|
= |
0.14504 \(psi\) |
|
1 \(MN/m^2\) |
= |
1 \(MPa\) |
= |
1000 \(kPa\) |
|
= |
145.04 \(ft_f/in^2\) |
|
= |
145.04 \(psi\) |
|
1 \(GN/m^2\) |
= |
1 \(GPa\) |
= |
1000 \(kPa\) |
|
= |
1.4504 \(\times \ 10^5 \ psi\) |
|
= |
145.04 \(ksi\) |
|
1 \(kWh\) |
= |
3600 \(kJ\) |
= |
3412 \(Btu\) |
Energy / Work / Heat#
1055.6 \(J\) |
= |
1 \(Btu\) |
4.1868 \(J\) |
= |
1 \(cal\) |
252 \(cal\) |
= |
1 \(Btu\) |
1 \(kWh\) |
= |
3600 \(kJ\) |
= |
3412 \(Btu\) |
Volume#
1 \(m^3\) |
= |
1000 \(L\) |
= |
35.3134 \(ft^3\) |
|
= |
264.17 \(gal\) |
Temperature#
T(\(K\)) |
= |
T (\(^{\circ}C\)) + 273.15 |
= |
T (\(^{\circ}R\)) / 1.8 |
|
= |
[ T (\(^{\circ} F\)) + 459.67 ] / 1.8 |