\( \newcommand{\s}{\mathrm{s}} \newcommand{\hr}{\mathrm{hr}} \newcommand{\kg}{\mathrm{kg}} \newcommand{\kN}{\mathrm{kN}} \newcommand{\inch}{\mathrm{in}} \newcommand{\ft}{\mathrm{ft}} \newcommand{\m}{\mathrm{m}} \newcommand{\mi}{\mathrm{mi}} \newcommand{\km}{\mathrm{km}} \newcommand{\cm}{\mathrm{cm}} \newcommand{\lb}{\mathrm{lb}} \newcommand{\lbm}{\mathrm{lbm}} \newcommand{\lbf}{\mathrm{lbf}} \newcommand{\N}{\mathrm{N}} \newcommand{\slug}{\mathrm{slug}} \newcommand{\Pa}{\mathrm{Pa}} \newcommand{\mph}{\mathrm{mph}} \renewcommand{\psi}{\mathrm{psi}} \newcommand{\C}{^\circ\mathrm{C}} \newcommand{\F}{^\circ\mathrm{F}} \)
Conversion Factors

Mass & Force

$$ \frac{\text{14.59 kg}}{\text{slug}}\qquad \frac{\text{32.174 lb}_\text{m}}{\text{slug}}\qquad \frac{\text{2.205 lb}_\text{m}}{\text{kg}}\qquad \frac{\text{4.448 N}}{\text{lb}_\text{f}} \qquad \frac{10^5~\text{dynes}}{\text{N}} $$

Length

$$ \frac{\text{3.281 ft}}{\text{m}}\qquad \frac{\text{39.37 in}}{\text{m}}\qquad \frac{\text{12 in}}{\text{ft}}\qquad \frac{\text{1.609 km}}{\text{mi}}\qquad \frac{\text{5280 ft}}{\text{mi}} $$

Volume

$$ \frac{\text{7.48 gal}}{\text{ft}^3}\qquad \frac{\text{3.785 L}}{\text{gal}}\qquad \frac{\text{1000 L}}{\text{m}^3}\qquad \frac{\text{1.201 U.S. gal}}{\text{Imperial gallon}} $$

Volume Flow Rate

$$ \frac{\text{449 gal/min}}{\text{ft}^3/\text{s}}\qquad \frac{\text{60,000 L/min}}{\text{m}^3/\text{s}}\qquad \frac{\text{3.785 L/min}}{\text{gal/min}}\qquad \frac{\text{2119 ft$^3$/min}}{\text{m}^3/\text{s}} \qquad \frac{\text{CFM}}{\text{ft}^3/\text{min}}\qquad \frac{\text{60 CFM}}{\text{ft}^3/\text{s}} $$

Energy & Power

$$ \frac{\text{1.0 J}}{\text{N}\cdot\text{m}}\qquad \frac{\text{778.17 ft}\cdot\text{lb}}{\text{Btu}}\qquad \frac{\text{1.055 kJ}}{\text{Btu}}\qquad \frac{\text{1.0 W}}{\text{N}\cdot\text{m/s}}\qquad \frac{\text{550 lb}\cdot\text{ft/s}}{\text{hp}}\qquad \frac{\text{745.7 W}}{\text{hp}}\qquad \frac{\text{Btu/s}}{\text{1.415 hp}} $$

Pressure

$$ \frac{\text{1 Pa}}{\text{N}/\text{m}^2}\qquad \frac{\text{100 kPa}}{\text{bar}}\qquad \frac{\text{144 lb/ft}^2}{\text{lb/in}^2}\qquad \frac{\text{6895 Pa}}{\text{lb/in}^2}\qquad \frac{\text{27.68 inH}_2\text{O}}{\text{lb/in}^2}\qquad \frac{\text{2.036 inHg}}{\text{lb/in}^2}\qquad \frac{\text{133.3 Pa}}{\text{mmHg}}\qquad \frac{\text{9.81 Pa}}{\text{mmH}_2\text{O}} $$

Temperature

$$ T(\C)=\frac{5}{9}\left[T(\F)-32\right] \qquad T(\F)=\frac{9}{5} T(\C)+32 \qquad T(K)=T(\C) + 273.15 \qquad T(^\circ R)=T(\F)+459.67 \qquad $$