At One Place

Bars to standard atmospheres

1 bar in standard atmospheres
1 bar = 0.98692 atm
atm = bar × 0.9869232667

To convert bars to standard atmospheres, multiply by 0.9869232667. The table below gives the values people look up most often, and the converter works for any number.

Bars to standard atmospheres table

Common bar values converted to standard atmospheres.
Bars Standard atmospheres
1 bar 0.98692
2 bar 1.973847
3 bar 2.96077
4 bar 3.947693
5 bar 4.934616
10 bar 9.869233
15 bar 14.80385
20 bar 19.73847
25 bar 24.67308
30 bar 29.6077
40 bar 39.47693
50 bar 49.34616
75 bar 74.01925
100 bar 98.69233
250 bar 246.7308
500 bar 493.4616
1,000 bar 986.9233

How the conversion works

The relationship is atm = bar × 0.9869232667. Both units measure pressure, so the conversion is a fixed factor that never changes.

Common questions

How many standard atmospheres are in one bar?
One bar equals 0.98692 standard atmospheres. atm = bar × 0.9869232667.
How do you convert bars to standard atmospheres?
Use atm = bar × 0.9869232667. So 10 bar is 9.869233 atm.
How many bars are in one standard atmosphere?
One standard atmosphere equals 1.01325 bars, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked