Biomedical Engineering Unit Conversions, Definitions, and Constants

A set of vocabulary flashcards covering essential unit conversions, physical constants, and equations for Biomedical Engineering.

1 kg (Pound-mass conversion)

$$1\,kg = 2.205\,lbm$$

1 ft (Centimeter conversion)

$$1\,ft = 30.48\,cm$$

1 in (Centimeter conversion)

$$1\,in = 2.54\,cm$$

Fahrenheit to Celsius Conversion

$$^\circ F = 1.8\,^\circ C + 32$$

Kelvin to Celsius Conversion

$$K = ^\circ C + 273.15$$

1 Newton (N)

$$1\,N = 1\,kg \cdot m/s^2$$

1 cal (Joule conversion)

$$1\,cal = 4.18\,J$$

1 gallon (Liter conversion)

$$1\,gallon = 3.785\,l$$

1 mile (Feet conversion)

$$1\,mile = 5280\,ft$$

1 mile (Kilometer conversion)

$$1\,mile = 1.60934\,km$$

1 liter (Cubic centimeter conversion)

$$1\,l = 1000\,cm^3$$

1 Joule (J)

$$1\,J = 1\,N \cdot m = kg \cdot m^2/s^2$$

1 Watt (W)

$$1\,W = 1\,J/s$$

1 cal (Heat definition)

Heat required to raise $1\,g$ of water $1\,^\circ C$

Ideal Gas Law

$$PV = nRT$$

Acceleration Due to Gravity ($g$)

$$g = 9.81\,m/s^2$$

1 atm (Standard Atmosphere)

$$1\,atm = 14.696\,lbf/in^2\text{ (psi)} = 101325\,Pa\text{ (N/m}^2\text{)}$$

Ideal Gas Constant

$0.08206\,L \cdot atm/(mol \cdot K)$, $8.314\,J/(mol \cdot K)$, $1.9872\,cal/(mol \cdot K)$