Home ❯ All Definitions ❯ Unit ❯ Decibar (dbar) Unit Definition
Decibar (dbar) Unit Definition
The decibar is a multiple of the unit bar (bar) for pressure. The International System of Units (SI) defines the prefix deci (d) as a factor of one tenth or 0.1. Per this definition, one decibar is 0.1 bars. The decibar is represented by the symbol dbar.
SI Multiples
A table of various pressure bar units derived from SI multiples:
Submultiples |
Multiples |
||||||
Scientific Notation |
Value |
Prefix |
Name |
Scientific Notation |
Value |
Prefix |
Name |
10-1 bar |
0.1 bar |
Deci (d) | Decibar (dbar) | 101 bar |
10 bar |
Deca (da) | Decabar (dabar) |
10-2 bar |
0.01 bar |
Centi (c) | Centibar (cbar) | 102 bar |
100 bar |
Hecto (h) | Hectobar (hbar) |
10-3 bar |
0.001 bar |
Milli (m) | Millibar (mbar) | 103 bar |
1000 bar |
Kilo (k) | Kilobar (kbar) |
10-6 bar |
0.000001 bar |
Micro (µ) | Microbar (µbar) | 106 bar |
1000000 bar |
Mega (M) | Megabar (Mbar) |
10-9 bar |
0.000000001 bar |
Nano (n) | Nanobar (nbar) | 109 bar |
1000000000 bar |
Giga (G) | Gigabar (Gbar) |
10-12 bar |
0.000000000001 bar |
Pico (p) | Picobar (pbar) | 1012 bar |
1000000000000 bar |
Tera (T) | Terabar (Tbar) |
10-15 bar |
0.000000000000001 bar |
Femto (f) | Femtobar (fbar) | 1015 bar |
1000000000000000 bar |
Peta (P) | Petabar (Pbar) |
10-18 bar |
0.000000000000000001 bar |
Atto (a) | Attobar (abar) | 1018 bar |
1000000000000000000 bar |
Exa (E) | Exabar (Ebar) |
10-21 bar |
0.000000000000000000001 bar |
Zepto (z) | Zeptobar (zbar) | 1021 bar |
1000000000000000000000 bar |
Zetta (Z) | Zettabar (Zbar) |
10-24 bar |
0.000000000000000000000001 bar |
Yocto (y) | Yoctobar (ybar) | 1024 bar |
1000000000000000000000000 bar |
Yotta (Y) | Yottabar (Ybar) |
10-27 bar |
0.000000000000000000000000001 bar |
Ronto (r) | Rontobar (rbar) | 1027 bar |
1000000000000000000000000000 bar |
Ronna (R) | Ronnabar (Rbar) |
10-30 bar |
0.000000000000000000000000000001 bar |
Quecto (q) | Quectobar (qbar) | 1030 bar |
1000000000000000000000000000000 bar |
Quetta (Q) | Quettabar (Qbar) |
Other Pressure Unit Definitions
Atmosphere Standard (atm)
Atmosphere Technical (atm)
- Attobar (abar)
- Attopascal (aPa)
- Attotorr (aTorr)
- Bar (bar)
Barad (Ba)
Barye (Ba)
- Centibar (cbar)
Centihg (cHg)
Centimeter Mercury 0 °C (cm Hg)
Centimeter Water 4 °C (cm H2O)
Centimeter of Mercury 0 °C (cm Hg)
Centimeter of Water 4 °C (cm H2O)
- 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)
Foot Mercury 0 °C (ft Hg)
Foot Water 4 °C (ft H2O)
Foot of Air 0 °C (ft air)
Foot of Air 15 °C (ft air)
Foot of Head (ft head)
Foot of Mercury 0 °C (ft Hg)
Foot of Water 4 °C (ft H2O)
- Gigabar (Gbar)
- Gigapascal (GPa)
- Gigatorr (GTorr)
- Gram (g)
- Hectobar (hbar)
- Hectopascal (hPa)
- Hectotorr (hTorr)
Inch Water 4 °C (in H2O)
Inch of Air 0 °C (in air)
Inch of Air 15 °C (in air)
Inch of Mercury 0 °C (in Hg)
Inch of Water 4 °C (in H2O)
Inch of Water Column (in wc)
- Kilobar (kbar)
- Kilogram (kg)
Kilogram-Force (kgf)
- Kilonewton (kN)
- Kilopascal (kPa)
Kilopond (kp)
- Kilotorr (kTorr)
Kip (kip)
- Megabar (Mbar)
- Meganewton (MN)
- Megapascal (MPa)
- Megatorr (MTorr)
Meter of Air 0 °C (m air)
Meter of Air 15 °C (m air)
Meter of Head (m head)
- Microbar (μbar)
Micrometer of Mercury 0 °C (μm Hg)
Micrometer of Water 4 °C (μm H2O)
Micron Mercury 0 °C (μm Hg)
Micron of Mercury 0 °C (μm Hg)
- Micropascal (μPa)
- Microtorr (μTorr)
- Millibar (mbar)
Millihg (mHg)
Millimeter Water 4 °C (mm H2O)
Millimeter of Mercury 0 °C (mm Hg)
Millimeter of Water 4 °C (mm H2O)
- 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)
Pound (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)
Technical Atmosphere (at)
- Terabar (Tbar)
- Terapascal (TPa)
- Teratorr (TTorr)
Ton (t)
Ton Long (t)
Ton Short (t)
- Torr (Torr)
Water Column Centimeter (wccm)
Water Column Inch (wcin)
Water Column 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
Related Definitions
Disclaimer
Though every effort has been made to test this unit converter, we are not to be held liable for any special, incidental, indirect or consequential damages or monetary losses of any kind arising out of or in connection with the use of any of the converter tools and information sourced from this website. This unit converter is provided as a service to you, please use at your own risk. Do not use calculations for anything where loss of life, money, property, etc could result from inaccurate unit conversions.
For more information: please see our full disclaimer.
Sources
“Bar (unit).” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Bar_(unit).