atmosphere atm
Standard atmospheric pressure at sea level.
Quick convert — atmosphere to popular units
Live converter, three directions. Type any value to update all three.
atmosphere
pascal
1 atm = 101,325Pa
atmosphere
kilopascal
1 atm = 101.325kPa
atmosphere
bar
1 atm = 1.0133bar
Conversion table — atmosphere to every Pressure unit
All values for 1 atm (forward) and 1 reverse unit → {symbol}.
| To / From | 1 atm = | 1 to-unit = |
|---|---|---|
| pascal (Pa) | 101,325 Pa | 9.869233e-6 atm |
| kilopascal (kPa) | 101.325 kPa | 0.00986923 atm |
| bar (bar) | 1.01325 bar | 0.98692327 atm |
| millibar (mbar) | 1,013.25 mbar | 0.00098692 atm |
| pound per square inch (psi) | 14.69594878 psi | 0.06804596 atm |
| torr (Torr) | 760 Torr | 0.00131579 atm |
| millimetre of mercury (mmHg) | 759.99989173 mmHg | 0.00131579 atm |
Frequently Asked Questions
What does atm stand for?
atmosphere (atm) is a unit of Pressure.
How many atm are in 1 Pa?
1 Pa = 101,325 atm, so 1 atm = 9.8692e-6 Pa.
Is this the SI base unit?
No. atmosphere is one of several units in the Pressure category. The SI base is Pa.
Common conversions from atmosphere
#1
atmosphere (atm) → pascal (Pa)
Convert atmosphere (atm) to pascal.
#2atmosphere (atm) → kilopascal (kPa)
Convert atmosphere (atm) to kilopascal.
#3atmosphere (atm) → bar (bar)
Convert atmosphere (atm) to bar.
#4atmosphere (atm) → millibar (mbar)
Convert atmosphere (atm) to millibar.
#5atmosphere (atm) → psi (psi)
Convert atmosphere (atm) to psi.
#6atmosphere (atm) → torr (Torr)
Convert atmosphere (atm) to torr.
#7atmosphere (atm) → mmhg (mmHg)
Convert atmosphere (atm) to mmhg.