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This is a tabulated listing of the orders of magnitude in relation to pressure expressed in pascals.

Magnitude	Pressure	lbf/in2	Item
10−15 Pa	1 fPa		Interstellar space pressure (approximate)
10−12 Pa	1 pPa
10−11 Pa	13.3 pPa		Lowest obtainable pressure in laboratory conditions (as of January 2009).[1]
	40 pPa		Atmosphere of the Moon at lunar day, very approximately (4 x 10-11 Pa)[2]
10−10 Pa	100 pPa		Atmosphere of Mercury according to NASA's factsheet, very approximately (1 x 10-10 Pa)[3]
	800 pPa		Atmosphere of the Moon at lunar night, very approximately (80 x 10-11 Pa)[2]
10−9 Pa	1 nPa		vacuum expected in the beam pipe of the Large Hadron Collider's Atlas experiment[4]
10−8 Pa	10 nPa
10−7 Pa	200 nPa		Atmosphere of Mercury according to NASA's worldbook, approximately (2.0 × 10-7 Pa)[5]
10−6 Pa	1 µPa		Pressure inside a vacuum tube (approximate, varies). Reference pressure for sound in water.
	10 µPa		Radiation pressure of sunlight on a perfectly reflecting surface at the distance of the Earth.[6]
	20 µPa		Threshold of human hearing - the smallest RMS pressure fluctuation that the human ear can hear in a noiseless environment, at frequencies between 1 kHz and 5 kHz. Reference pressure for sound in air.
	100 µPa		Near earth outer space pressure (approximate)
10−3 Pa	0.5 mPa		Atmospheric pressure on Pluto (1988 figure; very roughly)
1 Pa	1 Pa		Pressure exerted by a UK five pound note resting on a surface [7]
	10 Pa		Pressure increase per millimeter of a water column at Earth mean sea level.
	10 Pa		Pressure inside an incandescent light bulb (approximate)
	100 Pa		Threshold of pain. Sounds above this amplitude are unbearable and can cause ear pain. Prolonged exposure may lead to hearing loss.
	611.73 Pa		Partial vapour pressure at the triple point of water
103 Pa	1 kPa	0.145 psi	Atmospheric pressure on Mars, 1 % of atmospheric sea-level pressure on Earth
	6.894757 kPa	1 psi	1 pound-force per square inch
	10 kPa	1.45 psi	Pressure increase per meter of a water column1, or the drop in air pressure when going from earth sea level to 1000 m elevation
	100 kPa	14.5038 psi	1 bar[8]
	101.325 kPa	14.696 psi	Standard atmospheric pressure for earth sea level
	180 to 250 kPa	26 to 36 psi	Air pressure in an automobile tire relative to atmosphere (gauge pressure)
	407 to 607 kPa	59 to 88 psi	Air pressure in a champagne bottle[9].
	400 to 500 kPa	58 to 73 psi	Typical UK pressures domestic mains water supply.
	517 kPa	75 psi	Partial vapour pressure at the triple point of carbon dioxide.
	600 to 800 kPa		Air pressure in a bicycle tire relative to atmosphere (gauge pressure)
	690 to 828 kPa	100 to 120 psi	Air pressure in a heavy truck/bus tire relative to atmosphere (gauge pressure)
106 Pa	0.8 to 2 MPa	120 to 290 psi	Pressure used in boilers of steam locomotives
	9 MPa	1305 psi	Atmospheric pressure on Venus (90 bar)
	10 MPa	1450 psi	Pressure washers force out water at this pressure
	12 MPa	1740 psi	Pressure exerted by a 60 kg woman wearing stilettos
	20 MPa	2900 psi	Pressure of a typical aluminium scuba tank or pressurized gas cylinders. (200 bar)
	100 MPa	14500 psi	Pressure at bottom of Mariana Trench, about 10 km below ocean surface (1000 bar)
	400 MPa		Chamber pressure of .50 BMG weapon discharge
	600 MPa		Water pressure used in a water jet cutter.
109 Pa	9 GPa		Pressure at which octaoxygen forms [10] (90000 bar)
	18 GPa		Pressure needed for the first commercially successful synthesis of diamond
	96 GPa		Pressure at which metallic oxygen forms[11] (960000 bar)
	100 GPa		Theoretical tensile strength of a carbon nanotube (CNT)
	130 GPa		Intrinsic strength of monolayer graphene[12]
	380 GPa		Pressure inside the core of the Earth (3.8 million bar)
1012 Pa	530 TPa		Pressure inside an Ivy Mike-like nuclear bomb detonation (5.3 billion bar)
1015 Pa	6.4 PPa		Pressure inside a W80 nuclear warhead detonation (64 billion bar)
	25 PPa		Pressure inside the core of the Sun.[13] (250 billion bar)
10111 Pa	4.63 × 10113 Pa		The Planck pressure (4.63x10108 Bar)

Orders of magnitude
area	angular velocity	charge	currency	data	density	energy
force	frequency	length	magnetic field	mass	numbers	power
pressure	specific energy density	specific heat capacity	speed	temperature	time	volume
Conversion of units
physical unit	SI	SI base unit	SI derived unit	SI prefix	Planck units

[edit] Citations

[edit] References

• azonano.com (2008), Solid Oxygen ε-Phase Crystal Structure Determined Along With The Discovery of a Red Oxygen O8 Cluster, http://www.azonano.com/details.asp?ArticleID=1797, retrieved 2008-01-10 
• Fujihisa, Hiroshi; Akahama, Yuichi; Kawamura, Haruki; Ohishi, Yasuo (2006-08-26), "O8 Cluster Structure of the Epsilon Phase of Solid Oxygen", Phys. Rev. Lett. 97, doi:10.1103/PhysRevLett.97.085503, http://link.aps.org/abstract/PRL/v97/e085503