BME 2110 Conversion Chart

Atomic Weight of Carbon (C)

12.0

Atomic Weight of Calcium (Ca)

40.0

Atomic Weight of Chlorine (Cl)

35.5

Atomic Weight of Iron (Fe)

55.8

Atomic Weight of Hydrogen (H)

1.0

Atomic Weight of Potassium (K)

39.1

Atomic Weight of Nitrogen (N)

14.0

Atomic Weight of Sodium (Na)

23.0

Atomic Weight of Oxygen (O)

16.0

Atomic Weight of Sulfer (S)

32.0

Molecular Weight of Water

18

Molecular Weight of Glucose

180

Molecular Weight of Amino Acid, avg

135

Molecular Weight of Dry air

28.84

Molecular Weight of DNA base pair, avg

610

Molecular Weight of Protein, range

5000 to 3*10^6

Length Conversion: 1 m to cm to mm to microns to nanometers to angstroms

1 m = 100 cm = 1000 mm = 10^6 microns = 10^9 nanometers = 10^10 angstroms

Length Conversion: 1 in to cm

1 in = 2.54 cm

Length Conversion: 1 mi to ft to km

1 mi = 5280 ft = 1.61 km

Length of Typical Mammalian Cell, Diameter

10 microns

Mass Conversion: 1 kg to g to metric ton to lb (mass)

1 kg = 1000 g = 0.001 metric ton = 2.2 lb (mass)

Mass Conversion: 1 lb (mass) to oz to g (mass) to kg to ton

1 lb (mass) = 16 oz = 454 g (mass) = 0.454 kg = 5*10^-4 ton

Volume Conversion: 1 m^3 to L to cm^3 to mL

1 m^3 = 1000 L = 10^6 cm^3 = 10^6 mL

Volume Conversion: 1 ft^3 to gal to L

1 ft^3 = 7.48 gal = 28.3 L

Whole Blood Volume

5 L

Volume Rate of Resting Cardiac Output

5 L/min

Volume of Total Lung Capacity

6.0 L

Tidal Volume

0.500 L

Breathing Frequency

12 breaths/min

Density Conversion: 1 gm/cm^3 to lb (mass)/ft^3 to lb (mass)/gal

1 gm/cm^3 = 62.4 lb (mass)/ft^3 = 8.33 lb (mass)/gal

Density of 1 gm mol of an Ideal Gas at 0 oC (mmHg to L)

760 mmHg = 22.4 L

Density of 1 lb mol of an ideal gas at 32 oF (psia to ft^3)

14.7 psia = 359 ft^3

Pressure Conversion: 1 atm to mmHg at 0 oC (torr) to lb (force)/in^2 (psi)

1 atm = 760 torr = 14.7 lb (force)/in^2 (psi)

Pressure Conversion: 1 atm to in Hg to ft H2O

1 atm = 29.92 in Hg = 34 ft H2O

Pressure Conversion: 1 atm to bar to kPa to dynes/cm^2

1 atm = 1.013 bar = 101.3 kPa = 1.013*10^6 dynes/cm^2

Pressure Conversion: 1 Pa to N/m^2

1 Pa = 1 N/m^2

Systemic Blood Pressure

120/80 mmHg

Pressure Equation

PA = Patm + Pg

Temperature Conversion: 1.0 oC to oF

1.0 oC = 1.8 oF

Temperature Conversion Equation (Fahrenheit to Centigrade)

oF = 1.8(oC) + 32

Temperature Conversion Equation (Rankine to Fahrenheit)

oRankine = oFahrenheit + 460

Temperature Conversion Equation (Kelvin to Centigrade)

oKelvin = oCentigrade + 273

Room temperature (in Centigrade and Kelvin)

25 oC and 298 K

Body Core Temperature (in Centigrade and Kelvin)

37 oC and 310 K

Force Conversion: 1 lb (force) to lb (mass)-ft/s^2 to N to kg-m/s^2 to dynes

1 lb (force) = 32.174 lb (mass)-ft/s^2 = 4.448 N = 4.448 kg-m/s^2 = 4.448*10^5 dynes

Force Conversion: 1 N to kg*m/s^2

1 N = 1 kg*m/s^2

Force Conversion: 1 dyne to g*cm/s^2

1 dyne = 1 g*cm/s^2

Composition of Dry Air by Volume: N2 and O2

79% N2 and 21% O2 (V)

Composition of Dry Air by Mole Percentage: N2 and O2

79% N2 and 21% O2 (M)

Composition of Dry Air by Weight Percentage: N2 and O2

76% N2 and 24% O2

STP: Standard Temperature and Pressure (Centigrade and atmosphere)

0 oC and 1 atm

Molar Volume of an Ideal Gas at STP: L/mol to ft^3/lb (mass)-mol at ? K

22.4 L/mol = 359 ft^3/lb (mass) - mol at 273 K

Energy/Work Conversion: 1 Btu to cal to ft-lb (force) to J

1 Btu = 252 cal = 778 ft-lb (force) = 1055 J

Energy/Work Conversion: 1 J to dyne-cm

1 J = 10^7 dyne-cm

Energy/Work Conversion: 1 cal to J

1 cal = 4.184 J

Energy/Work Conversion: 1 food calorie to cal

1 food calorie = 1000 cal

Power Conversion: 1 kW to J/s to hp to cal/s

1 kW = 1000 J/s = 1.34 hp = 239 cal/s