BMED 2110 Unit Conversions

Atomic weight of Carbon (C)

12.0

atomic weight of Ca

40.0

atomic weight of Cl

35.5

atomic weight for Fe

55.8

atomic weight for H

1.00

atomic weight for K

39.1

atomic weight for N

14.0

atomic weight for Na

23.0

atomic weight for O

16.0

atomic weight for S

32.0

atomic weight for P

31.0

Molecular weight of water

18

molecular weight of glucose

180

molecular weight of amino acid (avg)

135

molecular weight for dry air

28.84

molecular weight for DNA base pair, avg

610

molecular weight of a protein (a range)

5000 to 3 × 10⁶

1m = …

1m = 100 cm = 1000 mm = 10⁶ microns = 10⁹ nanometers = 10¹⁰ angstroms

1 Yard = …

1 yard = 3 ft = 36 in = 91.44 cm

1 mi. = …

1 mi = 5280 ft = 1.61 kilometers

typical mammalian cell diameter

10 micrometers

1 kg = … (g, metric ton, lb_m)

1 kg = 1000 g = 0.001 metric ton = 2.2 lb_m

1 lb_m = ….

1 lb_m = 16 oz = 454 g = 0.454 kg = 5 × 10^-4 ton

1 m³ = …

1 m³ = 1000 L = 10⁶ cm³ = 10⁶ mL

1 ft³ = …

1 ft³ = 7.48 gal = 28.3 L

whole blood volume

5 L

resting cardiac output

5 L/min

total lung capacity

6.0 L

tidal volume

0.500 L

breathing frequency

12 breaths/min

1 atm … (mm Hg)

1 atm = 760 mm Hg at 0 C (torr) = 14.7 lb_f/in.² (psi)

1 atm = … (in. Hg)

1 atm = 29.92 in. Hg = 34 ft H₂O

1 atm = … (bar, kPa, dynes/cm²)

1 atm = 1.013 bar = 101.3 kPa = 1.013 × 10⁶ dynes/cm²

1 Pa = …

1 Pa = 1 N/m²

systemic blood pressure

120/80 mmHg

Temperature conversion formula from Celsius to Fahrenheit

F = 1.8 (C) + 32

Rankine = …

Rankine = Fahrenheit + 460

Kelvin = …

Kelvin = Centigrade + 273

room temperature

25 Celsius or 298 K

body core temperature

37 Celsius or 310 K

1 g/cm³ = …

1 g/cm³ = 62.4 lb_m/ft³ = 8.33 lb_m/gal

1 g-mol of an ideal gas at 0 C, 760 mm Hg

22.4 L

1 lb-mol of an ideal gas at 32 F, 14.8 psia

359 ft³

1 lb_f = …

1 lb_f = 32.174 lb_m x ft/s² = 4.448 N = 4.448 kg x m/s² = 4.448 × 10⁵ dynes

1 N = …

1 N = 1 kg x m/s²

1 dyne = …

1 dyne = 1 g x cm/s²

Composition of dry air by volume/mol percentage

79% N₂, 21% O₂

composition of dry air by weight percentage

76% N₂, 24% O₂

What is STP in terms of temperature and pressure?

0°C, 1 atm

What is the molar volume of an ideal gas at STP?

22.4 L/mol = 359 ft³/lb_mole

1 Btu = …

1 Btu = 252 cal = 778 ft - lb_f = 1055 Joules

1 J = …

10⁷ dyne x cm

1 cal = ….

1 cal = 4.184 Joules

1 food calorie = …

1000 cal

1 kW = …

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