0.2 Conversion factors

Area

$1{\text{cm}}^2=0.155{\text{in.}}^2$

$1{\text{m}}^2={10}^4{\text{cm}}^2=10.76{\text{ft}}^2$

$1{\text{in.}}^2=6.452{\text{cm}}^2$

$1{\text{ft}}^2=144{\text{in.}}^2=0.0929{\text{m}}^2$

Volume

$1\text{liter}=1000{\text{cm}}^3={10}^{\mathrm{-3}}{\text{m}}^3=0.03531{\text{ft}}^3=61.02{\text{in.}}^3$

$1{\text{ft}}^3=0.02832{\text{m}}^3=28.32\text{liters}=7.477\text{gallons}$

$1\text{gallon}=3.788\text{liters}$

Acceleration

$1{\text{m/s}}^2=100{\text{cm/s}}^2=3.281{\text{ft/s}}^2$

$1{\text{cm/s}}^2=0.01{\text{m/s}}^2=0.03281{\text{ft/s}}^2$

$1{\text{ft/s}}^2=0.3048{\text{m/s}}^2=30.48{\text{cm/s}}^2$

$1\text{mi/h}·\text{s}=1.467{\text{ft/s}}^2$

Power

$1\text{W}=1\text{J/s}$

$1\text{hp}=746\text{W}=550\text{ft}·\text{lb/s}$

$1\text{Btu/h}=0.293\text{W}$

Angle

$1\text{rad}=57.30\text{°}=180\text{°}\text{/}\text{π}$

$1\text{°}=0.01745\text{rad}=\text{π}\text{/}180\text{rad}$

$1\text{revolution}=360\text{°}=2\text{π}\text{rad}$

$1\text{rev/min}\left(\text{rpm}\right)=0.1047\text{rad/s}$