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Torr (Torr) Definicija jedinice
The torr is a unit of pressure based on an absolute scale, defined as exactly 1⁄760 of a standard atmosphere (101325 pascals). Therefore one torr is exactly 101325⁄760 pascals (Pa) or about 133.32 Pa. The torr is represented by the symbol Torr.
Historically, one torr was intended to be the same as one millimeter of mercury (mm Hg). However subsequent redefinitions of the two units made them slightly different (by less than 0.000015%). The torr is not part of the International System of Units (SI). It is often combined with the metric prefix milli (m) to name one millitorr (mTorr) or 0.001 Torr.
The torr is named after Evangelista Torricelli, an Italian physicist and mathematician who discovered the principle of the barometer in 1644.
SI Multiples
A table of various pressure torr units derived from SI multiples:
Submultiples |
Multiples |
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Scientific Notation |
Vrijednost |
Prefiks |
Ime |
Scientific Notation |
Vrijednost |
Prefiks |
Ime |
10-1 Torr |
0.1 Torr |
Deci (D) | Decitorr (DTORR) | 101 Torr |
10 Torr |
Deca (da) | Decatorr (daTorr) |
10-2 Torr |
0.01 Torr |
Centi (C) | Centitorr (CTORR) | 102 Torr |
100 Torr |
Hekto (h) | Hectotorr (hTorr) |
10-3 Torr |
0.001 Torr |
Milli (m) | Millitorr (MTORR) | 103 Torr |
1000 Torr |
Kilo (k) | Kilotorr (kTorr) |
10-6 Torr |
0.000001 Torr |
Micro (μ) | Microtorr (µTorr) | 106 Torr |
1000000 Torr |
Mega (m) | Megatorr (MTorr) |
10-9 Torr |
0.000000001 Torr |
Nano (n) | Nanotorr (nTorr) | 109 Torr |
1000000000 Torr |
Giga (G) | Gigatorr (GTorr) |
10-12 Torr |
0.000000000001 Torr |
Pico (P) | Picotorr (pTorr) | 1012 Torr |
1000000000000 Torr |
Tera (T) | Teratorr (TTorr) |
10-15 Torr |
0.000000000000001 Torr |
Femto (f) | Femtotorr (fTorr) | 1015 Torr |
1000000000000000 Torr |
PETA (P) | Petatorr (PTorr) |
10-18 Torr |
0.000000000000000001 Torr |
Atto (a) | Attotorr (aTorr) | 1018 Torr |
1000000000000000000 Torr |
EXA (e) | Exatorr (ETorr) |
10-21 Torr |
0.000000000000000000001 Torr |
Zepto (z) | Zeptotorr (zTorr) | 1021 Torr |
1000000000000000000000 Torr |
Zetta (z) | Zettatorr (ZTorr) |
10-24 Torr |
0.000000000000000000000001 Torr |
Jok (y) | Yoctotorr (yTorr) | 1024 Torr |
1000000000000000000000000 Torr |
Yotta (y) | Yottatorr (YTorr) |
10-27 Torr |
0.000000000000000000000000001 Torr |
Ronto (r) | Rontotorr (rTorr) | 1027 Torr |
1000000000000000000000000000 Torr |
Ronna (R) | Ronnatorr (RTorr) |
10-30 Torr |
0.000000000000000000000000000001 Torr |
Quecto (q) | Quectotorr (qTorr) | 1030 Torr |
1000000000000000000000000000000 Torr |
Quetta (Q) | Quettatorr (QTorr) |
Other Pressure Unit Definitions
Atmosferski standard (bankomat)
Atmosfera tehnička (bankomat)
- Attobar (Abar)
- Attopascal (APA)
- Attotorr (aTorr)
- Bar (bar)
Barad (BA)
Barye (BA)
- CETIBAR (CBAR)
Centihg (CHG)
Centimetar Merkur 0 ° C (CM HG)
Centimetrična voda 4 ° C (cm h 2 o)
Centimetar žive 0 ° C (CM HG)
Centimetar 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)
Merkur stopala 0 ° C (FT HG)
Voda za stopala 4 ° C (ft h 2 o)
Podnožje zraka 0 ° C (FT Air)
Podnožje zraka 15 ° C (FT Air)
Podnožje glave (ft glava)
Noga Merkura 0 ° C (FT HG)
Podnožje vode 4 ° C (ft h 2 o)
- Gigabar (GBAR)
- Gigapascal (GPA)
- Gigatorr (GTorr)
- Gram (g)
- Hectobar (hbar)
- Hectopascal (HPA)
- Hectotorr (hTorr)
Inč vode 4 ° C (u h 2 o)
Inč zraka 0 ° C (u zraku)
Inč zraka 15 ° C (u zraku)
Inč žive 0 ° C (u HG)
Inč vode 4 ° C (u h 2 o)
Inč vodeni stup (u WC-u)
- Kilobar (kbar)
- Kilogram (kg)
Kilogram-sila (kgf)
- Kilonewton (kn)
- Kilopascal (KPA)
Kilopond (KP)
- Kilotorr (kTorr)
Kip (Kip)
- Megabar (mbar)
- Meganewton (MN)
- Megapaskal (MPA)
- Megatorr (MTorr)
Mjerač zraka 0 ° C (m Zrak)
Mjerač zraka 15 ° C (m Zrak)
Metar glave (m glava)
- Mikrobar (μBar)
Mikrometar žive 0 ° C (μm hg)
Mikrometar vode 4 ° C (μm h 2 o)
Micron Mercury 0 ° C (μm hg)
Mikron žive 0 ° C (μm hg)
- Micropascal (μPA)
- Microtorr (μTorr)
- Millibar (mbar)
Millihg (MHG)
Milimetra voda 4 ° C (mm h 2 o)
Milimetar žive 0 ° C (mm HG)
Milimetar vode 4 ° C (mm h 2 o)
- Millipascal (MPA)
- Millitorr (MTORR)
- Nanobar (nbar)
- Nanopascal (NPA)
- Nanotorr (nTorr)
- Newton (n)
Unca (oz)
- Pascal (PA)
- Petabar (pbar)
- Petapascal (PPA)
- Petatorr (PTorr)
- Picobar (pbar)
- Picopascal (PPA)
- Picotorr (pTorr)
Pièze (PZ)
Funta (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)
Tehnička atmosfera (at)
- Terabar (TBar)
- Terapaskal (TPA)
- Teratorr (TTorr)
Tona (t)
Tona dugačka (t)
Tona kratka (t)
- Torr (Torr)
Centimetar vodenog stupca (WCCM)
Vodeni stup inch (wcin)
Vodeni stupac milimetar (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
Srodne definicije
Odricanje
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Izvori
“Torr.” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Torr.