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Pascal (PA) Opredelitev enote
The pascal is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The pascal is a SI coherent derived unit defined as one newton per square meter (N/m2). The pascal is represented by the symbol Pa.
The unit, named after Blaise Pascal, is also equivalent to 10 barye (Ba) in the CGS system. Common multiple units of the pascal are the hectopascal (hPa), which is equal to one millibar (mbar), and the kilopascal (kPa), which is equal to one centibar (cbar).
The unit of measurement called atmosphere standard (atm) is defined as 101,325 pascal. Meteorological observations typically report atmospheric pressure in hectopascals (hPa) per the recommendation of the World Meteorological Organization. Thus a standard atmosphere (atm) or typical sea-level air pressure is about 1013 hectopascals (hPa). Reports in the United States typically use inches of mercury (in Hg) or millibars (mbar). In Canada these reports are given in kilopascals (kPa).
SI Multiples
A table of various pressure pascal units derived from SI multiples:
Submultiples |
Multiples |
||||||
Scientific Notation |
Vrednost |
Predpona |
Ime |
Scientific Notation |
Vrednost |
Predpona |
Ime |
10-1 Pa |
0.1 Pa |
Deci (d) | Decipascal (DPA) | 101 Pa |
10 Pa |
Deca (DA) | Decapascal (daPa) |
10-2 Pa |
0.01 Pa |
Centi (c) | Centipascal (CPA) | 102 Pa |
100 Pa |
Hekto (h) | Hektopascal (HPA) |
10-3 Pa |
0.001 Pa |
Milli (m) | Millipascal (MPA) | 103 Pa |
1000 Pa |
Kilogram (k) | Kilopaskalni (KPA) |
10-6 Pa |
0.000001 Pa |
Mikro (µ) | Micropascal (µPa) | 106 Pa |
1000000 Pa |
Mega (m) | Megapascal (MPA) |
10-9 Pa |
0.000000001 Pa |
Nano (n) | Nanopascal (NPA) | 109 Pa |
1000000000 Pa |
Giga (g) | Gigapascal (GPA) |
10-12 Pa |
0.000000000001 Pa |
Pico (P) | Picopascal (PPA) | 1012 Pa |
1000000000000 Pa |
Tera (t) | Terapascal (TPA) |
10-15 Pa |
0.000000000000001 Pa |
Femto (f) | Femtopascal (FPA) | 1015 Pa |
1000000000000000 Pa |
PETA (P) | Petapascal (PPA) |
10-18 Pa |
0.000000000000000001 Pa |
Atto (a) | Attopascal (APA) | 1018 Pa |
1000000000000000000 Pa |
Exa (e) | Exapascal (EPA) |
10-21 Pa |
0.000000000000000000001 Pa |
Zepto (z) | ZEPTOPASCAL (ZPA) | 1021 Pa |
1000000000000000000000 Pa |
Zetta (z) | Zettapascal (ZPA) |
10-24 Pa |
0.000000000000000000000001 Pa |
Yocto (y) | Yoctopascal (YPA) | 1024 Pa |
1000000000000000000000000 Pa |
Yotta (y) | Yottapascal (YPA) |
10-27 Pa |
0.000000000000000000000000001 Pa |
Ronto (r) | Rontopascal (rPa) | 1027 Pa |
1000000000000000000000000000 Pa |
Ronna (R) | Ronnapascal (RPa) |
10-30 Pa |
0.000000000000000000000000000001 Pa |
Quecto (q) | Quectopascal (qPa) | 1030 Pa |
1000000000000000000000000000000 Pa |
Quetta (Q) | Quettapascal (QPa) |
Other Pressure Unit Definitions
Standard atmosfere (ATM)
Atmosfero tehnično (atm)
- Attobar (ABAR)
- Attopascal (APA)
- Attotorr (aTorr)
- Bar (bar)
Barad (BA)
Barye (BA)
- CentiBar (CBAR)
CentiHG (CHG)
Centimeter Merkur 0 ° C (cm HG)
Centimetrska voda 4 ° C (cm h 2 o)
Centimeter živega srebra 0 ° C (cm HG)
Centimeter vode 4 ° C (cm h 2 o)
- Centipascal (CPA)
- Centitorr (CTORR)
- Decabar (dabar)
- Decapascal (daPa)
- Decatorr (daTorr)
- Decibar (dbar)
- Decipascal (DPA)
- Decitorr (dtorr)
- Dekabar (Dabar)
- Dekapascal (DAPA)
- Dekatorr (daTorr)
Dyne (Dyn)
- Exabar (eBar)
- Exapascal (EPA)
- Exatorr (ETorr)
- Femtobar (fbar)
- Femtopascal (FPA)
- Femtotorr (fTorr)
Stopalo živo srebro 0 ° C (ft hg)
Voda stopala 4 ° C (ft H
2 o)Foot of Air 0 ° C (ft zrak)
Stopala zraka 15 ° C (ft zrak)
Stopalo glave (ft glava)
Foot of Merkur 0 ° C (ft HG)
Stopala vode 4 ° C (ft h 2 o)
- Gigabar (GBAR)
- Gigapascal (GPA)
- Gigatorr (GTorr)
- Gram (g)
- HectoBar (hbar)
- Hektopascal (HPA)
- Hectotorr (hTorr)
Palčna voda 4 ° C (v h
2 o) Palec zraka 0 ° C (v zraku)
Palec zraka 15 ° C (v zraku)
Palec živega srebra 0 ° C (v HG)
Palec vode 4 ° C (v H 2 o)
Palčni vodni stolpec (v WC)
- Kilobar (kbar)
- Kilogram (kg)
Kilogramska sila (kgf)
- Kilonewton (kn)
- Kilopaskalni (KPA)
Kilopond (KP)
- Kilotorr (kTorr)
Kip (kip)
- Megabar (mbar)
- Meganinwton (MN)
- Megapascal (MPA)
- Megatorr (MTorr)
Meter zraka 0 ° C (m zrak)
Meter zraka 15 ° C (m zrak)
Meter glave (m glava)
- Mikrobor (μbar)
Mikrometer živega srebra 0 ° C (μm Hg)
Mikrometer vode 4 ° C (μm H 2 o)
Micron Merkur 0 ° C (μm HG)
Mikron živega srebra 0 ° C (μm Hg)
- Mikropaskal (μPA)
- Microtorr (μTorr)
- Millibar (mbar)
MilliHG (MHG)
Milimetrska voda 4 ° C (mm H 2 o)
Milimeter živega srebra 0 ° C (mm Hg)
Milimeter vode 4 ° C (mm H 2 o)
- Millipascal (MPA)
- Millitorr (mtorr)
- Nanobar (NBAR)
- Nanopascal (NPA)
- Nanotorr (nTorr)
- Newton (n)
Unča (oz)
- Pascal (PA)
- Petabar (PBAR)
- Petapascal (PPA)
- Petatorr (PTorr)
- Picobar (pbar)
- Picopascal (PPA)
- Picotorr (pTorr)
Pièze (pz)
Funt (lb)
Pound (PDL)
- Quectobar (qbar)
- Quectopascal (qPa)
- Quectotorr (qTorr)
- Quettabar (Qbar)
- Quettapascal (QPa)
- Quettatorr (QTorr)
- Ronnabar (Rbar)
- Ronnapascal (RPa)
- Ronnatorr (RTorr)
- Rontobar (rbar)
- Rontopascal (rPa)
- Rontotorr (rTorr)
Sthène (sn)
Tehnično vzdušje (AT)
- Terabar (TBAR)
- Terapascal (TPA)
- Teratorr (TTorr)
Tona (t)
Ton dolg (t)
Ton kratko (t)
- Torr (Torr)
Centimeter vodnega stolpca (WCCM)
Vodni stolpec palca (WCIN)
Vodni stolpec milimeter (WCMM)
- YoctoBar (ybar)
- Yoctopascal (YPA)
- Yoctotorr (yTorr)
- Yottabar (ybar)
- Yottapascal (YPA)
- Yottatorr (YTorr)
- ZEPTOBAR (ZBAR)
- ZEPTOPASCAL (ZPA)
- Zeptotorr (zTorr)
- Zettabar (Zbar)
- Zettapascal (ZPA)
- Zettatorr (ZTorr)
Convert to Another Pressure Unit
Sorodne definicije
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Viri
“Pascal (unit).” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Pascal_(unit).