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Pascal (PA) Eenheid definisie
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 |
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Scientific Notation |
Waarde |
Voorvoegsel |
Naam |
Scientific Notation |
Waarde |
Voorvoegsel |
Naam |
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 |
Hecto (h) | Hectopascal (HPA) |
10-3 Pa |
0.001 Pa |
Milli (M) | Millipascal (MPA) | 103 Pa |
1000 Pa |
Kilo (K) | Kilopascal (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
Atmosfeerstandaard (OTM)
Atmosfeer tegnies (OTM)
- Attobar (Abar)
- Attopascal (APA)
- Attotorr (aTorr)
- Bar (Bar)
Barad (BA)
Barye (BA)
- Centibar (CBAR)
Centihg (CHG)
Sentimeter kwik 0 ° C (cm Hg)
Sentimeter water 4 ° C (cm H 2 o)
Sentimeter kwik 0 ° C (cm Hg)
Sentimeter water 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)
Voet kwik 0 ° C (ft hg)
Voetwater 4 ° C (ft H
2 O)Voet van die lug 0 ° C (ft lug)
Voet van die lug 15 ° C (ft lug)
Voet van kop (ft kop)
Voet van kwik 0 ° C (ft Hg)
Voet water 4 ° C (ft H 2 o)
- Gigabar (GBAR)
- Gigapascal (GPA)
- Gigatorr (GTorr)
- Gram (G)
- Hectobar (Hbar)
- Hectopascal (HPA)
- Hectotorr (hTorr)
Duim water 4 ° C (in H
2 o)Duim lug 0 ° C (in die lug)
Duim lug 15 ° C (in die lug)
Duim kwik 0 ° C (in Hg)
Duim water 4 ° C (in H 2 o)
Duim waterkolom (in WC)
- Kilobar (Kbar)
- Kilogram (kg)
Kilogram-krag (KGF)
- Kilonewton (KN)
- Kilopascal (KPA)
Kilopond (KP)
- Kilotorr (kTorr)
Kip (kip)
- Megabar (MBAR)
- Meganewton (MN)
- Megapascal (MPA)
- Megatorr (MTorr)
Meter lug 0 ° C (m lug)
Meter lug 15 ° C (M lug)
Meter kop (m kop)
- Mikrobar (μbar)
Mikrometer van kwik 0 ° C (μm Hg)
Mikrometer van water 4 ° C (μM H
2 O)Micron Mercury 0 ° C (μm Hg)
Mikron van kwik 0 ° C (μm Hg)
- Mikropascal (μPA)
- Microtorr (μTorr)
- Millibar (MBAR)
Millihg (MHG)
Millimeter water 4 ° C (mm H 2 o)
Millimeter kwik 0 ° C (mm Hg)
Millimeter water 4 ° C (mm H 2 o)
- Millipascal (MPA)
- Millitorr (Mtorr)
- Nanobar (Nbar)
- Nanopascal (NPA)
- Nanotorr (nTorr)
- Newton (N)
Ounce (OZ)
- Pascal (PA)
- Petabar (PBAR)
- Petapascal (PPA)
- Petatorr (PTorr)
- Picobar (PBAR)
- Picopascal (PPA)
- Picotorr (pTorr)
Pièze (PZ)
Pond (LB)
Poundal (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)
Tegniese atmosfeer (AT)
- Terabar (Tbar)
- Terapascal (TPA)
- Teratorr (TTorr)
Ton (t)
Ton lank (t)
Ton kort (t)
- Torr (Torr)
Waterkolom sentimeter (WCCM)
Waterkolom duim (WCIN)
Waterkolom Millimeter (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
Verwante definisies
Vrywaring
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Bronne
“Pascal (unit).” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Pascal_(unit).