Various data pinched from the web

Found at various places on the web - the only attribution that I can see is siegmund@astro.washington.edu in the header. I found this copy at:
http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19950926_ConversionFactors/19950926_MProperties.html.
nib - 2001-12-05.

Nigel's metric page

This table gives various engineering material properties listed alphabetically. The units are SI.

Density	Acrylic	1400	kg/m3
Density	Air (2800 m)	0.9800	kg/m3
Density	Air (STP)	1.2930	kg/m3
Density	Alumina (94%)	3700	kg/m3
Density	Aluminum 2024-T3	2770	kg/m3
Density	Aluminum 3003	2700	kg/m3
Density	Aluminum 6061-T6	2700	kg/m3
Density	Aluminum 7079-T6	2740	kg/m3
Density	Ammonia - liquid	682.10	kg/m3
Density	Argon - liquid	1390	kg/m3
Density	Beryllium QMV	1850	kg/m3
Density	Borosilicate Ohara E6	2180	kg/m3
Density	Borosilicate Tempax	2230	kg/m3
Density	Candle wax	900	kg/m3
Density	Concrete	2242	kg/m3
Density	Copper - pure	8900	kg/m3
Density	Dow Corning 200 (350cSt)	968.00	kg/m3
Density	Fused silica	2200	kg/m3
Density	Glass (window, typ)	2500	kg/m3
Density	Glass wool	64.00	kg/m3
Density	Gold - pure	1.932E+04	kg/m3
Density	Graphite	2260	kg/m3
Density	Helium - liquid	125.00	kg/m3
Density	Hydrogen - liquid	70.00	kg/m3
Density	Iron	7830	kg/m3
Density	Lead - pure	1.134E+04	kg/m3
Density	Magnesium AZ31B-H24	1770	kg/m3
Density	Magnesium HK31A-H24	1790	kg/m3
Density	Methane - liquid	424.00	kg/m3
Density	Molybdenum - wrought	1.030E+04	kg/m3
Density	Neon - liquid	1200	kg/m3
Density	Nickel - pure	8900	kg/m3
Density	Nitrogen - liquid	804.00	kg/m3
Density	Nylon	1700	kg/m3
Density	Platinum	2.145E+04	kg/m3
Density	Polycarbonate	1300	kg/m3
Density	Polyethylene	940	kg/m3
Density	Polypropylene (amorphous)	855	kg/m3
Density	Polypropylene (crystalline)	946	kg/m3
Density	Propan-2-ol	786	kg/m3
Density	PTFE	2200	kg/m3
Density	SiC Alpha	2975	kg/m3
Density	SiC sintered KT	2975	kg/m3
Density	Silver - pure	1.050E+04	kg/m3
Density	Steel AISI 304	8030	kg/m3
Density	Steel AISI C1020	7850	kg/m3
Density	Tantalum	1.660E+04	kg/m3
Density	Titanium B 120VCA	4850	kg/m3
Density	Tungsten	1.930E+04	kg/m3
Density	Water (4 C)	999.97	kg/m3
Density	White pine	513.00	kg/m3
Elastic modulus	Aluminum 2024-T3	7.310E+10	Pa
Elastic modulus	Aluminum 6061-T6	7.310E+10	Pa
Elastic modulus	Aluminum 7079-T6	7.172E+10	Pa
Elastic modulus	Beryllium QMV	2.897E+11	Pa
Elastic modulus	Borosilicate Ohara E6	5.743E+10	Pa
Elastic modulus	Borosilicate Tempax	6.200E+10	Pa
Elastic modulus	Copper - pure	1.172E+11	Pa
Elastic modulus	Gold - pure	7.448E+10	Pa
Elastic modulus	Lead - pure	1.379E+10	Pa
Elastic modulus	Magnesium AZ31B-H24	4.483E+10	Pa
Elastic modulus	Magnesium HK31A-H24	4.414E+10	Pa
Elastic modulus	Molybdenum - wrought	2.759E+11	Pa
Elastic modulus	Nickel - pure	2.207E+11	Pa
Elastic modulus	Platinum	1.469E+11	Pa
Elastic modulus	SiC Alpha	4.760E+11	Pa
Elastic modulus	SiC sintered KT	3.320E+11	Pa
Elastic modulus	Silver - pure	7.241E+10	Pa
Elastic modulus	Steel AISI 304	1.931E+11	Pa
Elastic modulus	Steel AISI C1020	2.034E+11	Pa
Elastic modulus	Tantalum	1.862E+11	Pa
Elastic modulus	Titanium B 120VCA	1.021E+11	Pa
Elastic modulus	Tungsten	3.448E+11	Pa
Electrical resistivity	Aluminum 2017	4.000E-08	ohm*m
Electrical resistivity	Aluminum 3003	4.000E-08	ohm*m
Electrical resistivity	Aluminum 99.996%	2.655E-08	ohm*m
Electrical resistivity	Copper	1.673E-08	ohm*m
Electrical resistivity	Gold	2.44E-08	ohm*m
Electrical resistivity	Nickel ASTM B160	1.000E-07	ohm*m
Electrical resistivity	Silver	1.59E-08	ohm*m
Electrical resistivity	Steel AISI 304	7.200E-07	ohm*m
Electrical resistivity	Steel AISI C1020	1.000E-07	ohm*m
Heat capacity	Air	1006	J/kg*K
Heat capacity	Aluminum 2024-T3	963.00	J/kg*K
Heat capacity	Aluminum 6061-T6	963.00	J/kg*K
Heat capacity	Aluminum 7079-T6	963.00	J/kg*K
Heat capacity	Beryllium QMV	1884	J/kg*K
Heat capacity	Borosilicate glass	710.00	J/kg*K
Heat capacity	Concrete	1000	J/kg*K
Heat capacity	Copper - pure	385.00	J/kg*K
Heat capacity	Dow Corning 200 (350 cST)	1465	J/kg*K
Heat capacity	Ethanol (25K)	2453	J/kg*K
Heat capacity	Gold - pure	130.00	J/kg*K
Heat capacity	Ice	2093	J/kg*K
Heat capacity	Ink (RA025)	1870	J/kg*K
Heat capacity	Ink (XP438)	1970	J/kg*K
Heat capacity	Iron	440.00	J/kg*K
Heat capacity	Lead - pure	130.00	J/kg*K
Heat capacity	Magnesium AZ31B-H24	1047	J/kg*K
Heat capacity	Magnesium HK31A-H24	544.00	J/kg*K
Heat capacity	Methanol (25K)	2547	J/kg*K
Heat capacity	Molybdenum - wrought	293.00	J/kg*K
Heat capacity	Nickel - pure	461.00	J/kg*K
Heat capacity	Platinum	130.00	J/kg*K
Heat capacity	Polypropylene	1925	J/kg*K
Heat capacity	SiC Alpha	1300	J/kg*K
Heat capacity	SiC sintered KT	1340	J/kg*K
Heat capacity	Silica (0K)	937.00	J/kg*K
Heat capacity	Silver - pure	235.00	J/kg*K
Heat capacity	Steel AISI 304	503.00	J/kg*K
Heat capacity	Steel AISI C1020	419.00	J/kg*K
Heat capacity	Tantalum	126.00	J/kg*K
Heat capacity	Titanium B 120VCA	544.00	J/kg*K
Heat capacity	Tungsten	138.00	J/kg*K
Heat capacity	Water	4216	J/kg*K
Heat of combustion	Methane	55.70	MJ/kg
Heat of combustion	Octane	47.70	MJ/kg
Heat of fusion	Nitrogen	25.50	kJ/kg
Heat of fusion	Water	334.00	kJ/kg
Heat of vaporization	Ammonia	1368	kJ/kg
Heat of vaporization	Argon	162.76	kJ/kg
Heat of vaporization	Helium	23.93	kJ/kg
Heat of vaporization	Hydrogen	451.90	kJ/kg
Heat of vaporization	Methane	577.40	kJ/kg
Heat of vaporization	Neon	87.03	kJ/kg
Heat of vaporization	Nitrogen	199.20	kJ/kg
Heat of vaporization	Water (100K)	2258	kJ/kg
Heat transfer coef.	Air v = 0 m/s	5.6000	W/K*m2
Heat transfer coef.	Air v = 3.4 m/s	18.90	W/K*m2
Heat transfer coef.	Air v = 6.7 m/s	38.00	W/K*m2
Kinematic viscosity	Air (101 kPa)	1.800E-05	m2/s
Kinematic viscosity	Dow Corning 200 (350cSt)	1.121E-07	m2/s
Kinematic viscosity	Water (0K)	1.753E-06	m2/s
Poisson's ratio	Aluminum 2024-T3	0.3300
Poisson's ratio	Aluminum 6061-T6	0.3300
Poisson's ratio	Aluminum 7079-&6	0.3300
Poisson's ratio	Beryllium QMV	0.0300
Poisson's ratio	Borosilicate Ohara E6	0.1950
Poisson's ratio	Borosilicate Tempax	0.2200
Poisson's ratio	Copper - pure
Poisson's ratio	Gold - pure	0.4200
Poisson's ratio	Lead - pure	0.4200
Poisson's ratio	Magnesium AZ31B-H24	0.3500
Poisson's ratio	Magnesium HK31A-H24	0.3500
Poisson's ratio	Molybdenum - wrought	0.3200
Poisson's ratio	Nickel - pure
Poisson's ratio	Platinum	0.3900
Poisson's ratio	Silver - pure	0.3700
Poisson's ratio	Steel AISI 304	0.2900
Poisson's ratio	Steel AISI C1020	0.2900
Poisson's ratio	Tantalum	0.3500
Poisson's ratio	Titanium B 120VCA	0.3000
Poisson's ratio	Tungsten	0.2800
Thermal Conductivity	Acetyl	0.2300	W/m*K
Thermal Conductivity	Acrylic	0.1400	W/m*K
Thermal Conductivity	Air (20°C)	0.0257	W/m*K
Thermal Conductivity	Alumina (94%)	18	W/m*K
Thermal Conductivity	Aluminum 2024-T3	190.40	W/m*K
Thermal Conductivity	Aluminum 3003	233.64	W/m*K
Thermal Conductivity	Aluminum 6061-T6	155.80	W/m*K
Thermal Conductivity	Aluminum 7079-T6	121.10	W/m*K
Thermal Conductivity	Beryllium QMV	147.10	W/m*K
Thermal Conductivity	Borosilicate glass	1.1300	W/m*K
Thermal Conductivity	Borosilicate glass (Tempax)	1.1300	W/m*K
Thermal Conductivity	Concrete (sand & gravel)	1.8000	W/m*K
Thermal Conductivity	Copper - pure	392.90	W/m*K
Thermal Conductivity	Diamond	550.00	W/m*K
Thermal Conductivity	Douglas fir	0.1100	W/m*K
Thermal Conductivity	Dow Corning 200 (350cSt)	0.1590	W/m*K
Thermal Conductivity	Dow Corning 739	0.1900	W/m*K
Thermal Conductivity	Dow Corning 93-500	0.1500	W/m*K
Thermal Conductivity	Dow Corning Q3-6605	0.8400	W/m*K
Thermal Conductivity	Epoxy (Epotek 353ND)	0.0490	W/m*K
Thermal Conductivity	Epoxy (Masterbond 11A0)	1.4400	W/m*K
Thermal Conductivity	Glass wool	0.0400	W/m*K
Thermal Conductivity	Gold - pure	297.70	W/m*K
Thermal Conductivity	Heatsink compound (approx)	1..3	W/m*K
Thermal Conductivity	Helium	2.7700	W/m*K
Thermal Conductivity	Ice	2.2000	W/m*K
Thermal Conductivity	Iron	83.50	W/m*K
Thermal Conductivity	Lead - pure	37.04	W/m*K
Thermal Conductivity	Limestone	0.5000	W/m*K
Thermal Conductivity	Magnesium HK31A-H24	114.20	W/m*K
Thermal Conductivity	Magnesium AZ31B-H24	95.19	W/m*K
Thermal Conductivity	Methane	0.3030	W/m*K
Thermal Conductivity	Molybdenum - wrought	143.60	W/m*K
Thermal Conductivity	Nickel - pure	91.73	W/m*K
Thermal Conductivity	Nitrogen	0.1460	W/m*K
Thermal Conductivity	Nylon	0.2400	W/m*K
Thermal Conductivity	Platinum	69.23	W/m*K
Thermal Conductivity	Polycarbonate	0.2000	W/m*K
Thermal Conductivity	Polypropylene	0.4000	W/m*K
Thermal Conductivity	Polystyrene foam	0.3600	W/m*K
Thermal Conductivity	Polyurethane foam	0.0260	W/m*K
Thermal Conductivity	PTFE	0.2400	W/m*K
Thermal Conductivity	Quartz	1.3200	W/m*K
Thermal Conductivity	SiC Alpha	77.50	W/m*K
Thermal Conductivity	SiC sintered KT	80.00	W/m*K
Thermal Conductivity	Silastic E	0.1800	W/m*K
Thermal Conductivity	Silastic L	0.2800	W/m*K
Thermal Conductivity	Silicone foam (Poron)	0.0600	W/m*K
Thermal Conductivity	Silver - pure	417.10	W/m*K
Thermal Conductivity	Snow (light)	0.6000	W/m*K
Thermal Conductivity	Snow (packed)	2.2000	W/m*K
Thermal Conductivity	Soil (coarse)	0.5200	W/m*K
Thermal Conductivity	Soil (dry w/stones)	0.5200	W/m*K
Thermal Conductivity	Soil (dry)	0.2300	W/m*K
Thermal Conductivity	Soil (w/42% water)	1.1000	W/m*K
Thermal Conductivity	Steel AISI 304	16.27	W/m*K
Thermal Conductivity	Steel AISI C1020	46.73	W/m*K
Thermal Conductivity	Tantalum	53.65	W/m*K
Thermal Conductivity	Titanium B 120VCA	7.4420	W/m*K
Thermal Conductivity	Tungsten	164.40	W/m*K
Thermal Conductivity	Water	0.6030	W/m*K
Thermal Conductivity	White pine	0.1100	W/m*K
Thermal expansion coefficient	Alumina (94%)	8.1	µm/m*K
Thermal expansion coefficient	Aluminum 2024-T3	22.68	µm/m*K
Thermal expansion coefficient	Aluminum 6061-T6	24.30	µm/m*K
Thermal expansion coefficient	Aluminum 7079-T6	24.66	µm/m*K
Thermal expansion coefficient	Beryllium QMV	14.94	µm/m*K
Thermal expansion coefficient	Borosilicate E6 -30 to +70C	2.8000	µm/m*K
Thermal expansion coefficient	Copper - pure	16.56	µm/m*K
Thermal expansion coefficient	Glass (ordinary)	9	µm/m*K
Thermal expansion coefficient	Glass (Pyrex)	4	µm/m*K
Thermal expansion coefficient	Gold - pure	4.39	µm/m*K
Thermal expansion coefficient	Invar 36	1.3	µm/m*K
Thermal expansion coefficient	Lead - pure	52.74	µm/m*K
Thermal expansion coefficient	Magnesium AZ31V-H24	26.10	µm/m*K
Thermal expansion coefficient	Magnesium HK31A-H24	25.20	µm/m*K
Thermal expansion coefficient	Molybdenum - wrought	5.4000	µm/m*K
Thermal expansion coefficient	Nickel - pure	12.96	µm/m*K
Thermal expansion coefficient	Platinum	9.0000	µm/m*K
Thermal expansion coefficient	SiC Alpha	4.0000	µm/m*K
Thermal expansion coefficient	SiC sintered KT	5.0000	µm/m*K
Thermal expansion coefficient	Silver - pure	19.80	µm/m*K
Thermal expansion coefficient	Steel AISI 304	17.82	µm/m*K
Thermal expansion coefficient	Steel AISI C1020	11.34	µm/m*K
Thermal expansion coefficient	Tantalum	6.4800	µm/m*K
Thermal expansion coefficient	Titanium B 120VCA	9.3600	µm/m*K
Thermal expansion coefficient	Tungsten	4.5000	µm/m*K
Viscosity	Air (0K,101 kPa)	1.708E-05	N*s/m2
Viscosity	Carbon dioxide (0K,101 kPa)	1.390E-05	N*s/m2
Viscosity	Helium (0K,101 kPa)	1.860E-05	N*s/m2
Viscosity	Hydrogen (0K,101 kPa)	8.345E-06	N*s/m2
Viscosity	Methane (0K,101 kPa)	1.026E-05	N*s/m2
Viscosity	Nitrogen (0K,101 kPa)	1.660E-05	N*s/m2
Viscosity	Oxygen (0K,101 kPa)	1.919E-05	N*s/m2
Viscosity	Benzene (0K)	9.121E-04	N*s/m2
Viscosity	Carbon tetrachloride (0K)	1.346E-03	N*s/m2
Viscosity	Glycerin (0K)	12.07	N*s/m2
Viscosity	Kerosene (0K)	2.959E-03	N*s/m2
Viscosity	Mercury (0K)	1.685E-03	N*s/m2
Viscosity	Oil - light machine (0K)	0.3534	N*s/m2
Viscosity	Water (0K)	1.753E-03	N*s/m2

This table gives conversion factors to convert various units to their SI equivalents. It will not be very useful for people who prefer to use cgs or English units although it can be used to convert from SI to those systems.

Name	To convert from	to	multiply by	divide by
Acceleration	ft/sec2	m/s2	0.3048	3.2810
Area	acre	m2	4047	2.471E-04
Area	ft2	m2	9.294E-02	10.7600
Area	hectare	m2	1.000E+04	1.000E-04
Area	in2	m2	6.452E-04	1550
Density	g/cm3	kg/m3	1000	1.000E-03
Density	lbm/ft3	kg/m3	16.02	6.243E-02
Density	lbm/in3	kg/m3	2.767E+04	3.614E-05
Density	lb*s2/in4	kg/m3	1.069E+07	9.357E-08
Density	slug/ft3	kg/m3	515.40	1.940E-03
Energy	BTU	J	1055	9.478E-04
Energy	cal	J	4.1859	0.2389
Energy	erg	J	1.000E-07	1.000E+07
Energy	ev	J	1.602E-19	6.242E+18
Energy	ft*lbf	J	1.3557	0.7376
Energy	kiloton TNT	J	4.187E+12	2.388E-13
Energy	kW*hr	J	3.600E+06	2.778E-07
Energy	megaton TNT	J	4.187E+15	2.388E-16
Force	dyne	N	1.000E-05	1.000E+05
Force	lbf	N	4.4484	0.2248
Force	ozf	N	0.2780	3.5968
Heat capacity	BTU/lbm*°F	J/kg*K	4188	2.388E-04
Heat transfer coefficient	BTU/hr*ft2*°F	W/m2*K	5.6786	0.1761
Length	AU	m	1.496E+11	6.685E-12
Length	ft	m	0.3048	3.2810
Length	in	m	2.540E-02	39.3700
Length	mile	m	1609	6.214E-04
Length	Nautical mile	m	1853	5.397E-04
Length	parsec	m	3.085E+16	3.241E-17
Mass	amu	kg	1.661E-27	6.022E+26
Mass	lbm	kg	0.4535	2.2050
Mass	lb*s2/in	kg	1200.00	5.711E-03
Mass	slug	kg	14.59	6.853E-02
Mass flow rate	lbm/hr	kg/s	1.260E-04	7937
Mass flow rate	lbm/sec	kg/s	0.4535	2.2050
Moment of inertia	ft*lb*s2	kg*m2	1.3557	0.7376
Moment of inertia	in*lb*s2	kg*m2	0.1130	8.8510
Moment of inertia	oz*in*s2	kg*m2	7.062E-03	141.60
Power	BTU/hr	W	0.2931	3.4120
Power	hp	W	745.71	1.341E-03
Power	tons of refrigeration	W	3516	2.844E-04
Pressure	bar	Pa	1.000E+05	1.000E-05
Pressure	dyne/cm2	Pa	0.1000	10.0000
Pressure	in. mercury	Pa	3377	2.961E-04
Pressure	in. water	Pa	248.82	4.019E-03
Pressure	kgf/cm2	Pa	9.807E+04	1.020E-05
Pressure	lbf/ft2	Pa	47.89	2.088E-02
Pressure	lbf/in2	Pa	6897	1.450E-04
Pressure	mbar	Pa	100.00	1.000E-02
Pressure	microns mercury	Pa	0.1333	7.501
Pressure	mm mercury	Pa	133.3	7.501E-03
Pressure	std atm	Pa	1.013E+05	9.869E-06
Specific heat	BTU/lbm*°F	J/kg*K	4186	2.389E-04
Specific heat	cal/g*K	J/kg*K	4186	2.389E-04
Temperature	°F	K	0.5556	1.8000
Thermal conductivity	BTU/hr*ft*°F	W/m*K	1.7307	0.5778
Thermal conductivity	BTU*in/hr*ft2*°F	W/m*K	0.1442	6.9340
Thermal conductivity	cal/cm*s*K	W/m*K	418.60	2.389E-03
Thermal conductivity	cal/ft*hr*°F	W/m*K	6.867E-03	145.62
Time	day	s	8.640E+04	1.157E-05
Time	sidereal year	s	3.156E+07	3.169E-08
Torque	ft*lbf	N*m	1.3557	0.7376
Torque	in*lbf	N*m	0.1130	8.8504
Torque	in*ozf	N*m	7.062E-03	141.61
Velocity	ft/min	m/s	5.079E-03	196.90
Velocity	ft/s	m/s	0.3048	3.2810
Velocity	km/hr	m/s	0.2778	3.6000
Velocity	miles/hr	m/s	0.4470	2.2370
Viscosity - absolute	centipoise	N*s/m2	1.000E-03	1000
Viscosity - absolute	g/cm*s	N*s/m2	0.1000	10
Viscosity - absolute	lbf/ft2*s	N*s/m2	47.87	2.089E-02
Viscosity - absolute	lbm/ft*s	N*s/m2	1.4881	0.6720
Viscosity - kinematic	centistoke	m2/s	1.000E-06	1.000E+06
Viscosity - kinematic	ft2/sec	m2/s	9.294E-02	10.7600
Volume	ft3	m3	2.831E-02	35.3200
Volume	in3	m3	1.639E-05	6.102E+04
Volume	liters	m3	1.000E-03	1000
Volume	U.S. gallons	m3	3.785E-03	264.20
Volume flow rate	ft3/min	m3/s	4.719E-04	2119
Volume flow rate	U.S. gallons/min	m3/s	6.309E-05	1.585E+04

This is a short list of physical constants in SI units.

Avogadro's number	N	6.02E+23	mole-1
Boltzmann constant	k	1.381E-23	J/K
Electric charge	e	1.602E-19	coul
Gas constant	R	8.3145	J/K*mole
Gravitation	G	6.672E-11	N*m2/kg2
Mass	electron	9.11E-31	kg
Mass	proton	1.67E-27	kg
Mass	neuton	1.68E-27	kg
Mass	alpha-particle	6.64E-27	kg
Plank's	h	6.626E-34	J*s
Plank's	hc	1.986E-25	J*m
Plank's	hc/k	1.439E-02	m*K
Radiation constant	hc2	5.955E-17	W*m2
Speed of light	c	2.998E+08	m/s
Stefan-Boltzmann	sigma	5.6705E-08	W/m2*K4

This is a short list of astronomical constants in SI units.

Acceleration	Sea level	9.8067	m/s2
Luminosity	Sun	3.826E+26	J/s
Mass	Sun	1.989E+30	kg
Mass	Earth	5.976E+24	kg
Pressure	Sea level	1.013E+05	Pa
Radius	Earth	6.371E+06	m
Radius	Sun	6.970E+08	m
Velocity	Earth's orbital	2.978E+04	m/s
nib additions
Equatorial circumference	Earth	40075.16	km
Polar circumference	Earth	40008.16	km
Equatorial diameter	Earth	12756.32	km
Polar diameter	Earth	12713.54	km