PRESSURE CONVERSION

Bar to Standard atmosphere.

Convert bar (bar) to standard atmosphere (atm), with the math explained.

Pressure converter
bar
0.9869232667atm
THE RESULT

1 bar = 0.9869232667 atm

Calculated in your browserFormula & conversion table

THE MATH, MADE SIMPLE

How to convert bar to standard atmosphere

Multiply your bar value by 0.986923266716 to get the equivalent in standard atmosphere. Both units are normalized through the pascal.

CONVERSION FORMULAatm = bar × 0.9869232667
WORKED EXAMPLE

10 bar = 9.86923266716 atm

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

QUICK REFERENCE

bar to atm conversion table

Reverse
Bar (bar)Standard atmosphere (atm)
1 bar0.986923266716 atm
2 bar1.97384653343 atm
5 bar4.93461633358 atm
10 bar9.86923266716 atm
20 bar19.7384653343 atm
50 bar49.3461633358 atm
100 bar98.6923266716 atm
500 bar493.461633358 atm
1,000 bar986.923266716 atm
bar

About the bar

The bar (bar) is a unit of pressure. One bar equals 100,000 pascal (base unit) in this calculator.

All bar conversions
atm

About the standard atmosphere

The standard atmosphere (atm) is a unit of pressure. One standard atmosphere equals 101,325 pascal (base unit) in this calculator.

All standard atmosphere conversions

Common questions

What is 1 bar in atm?

One bar equals 0.986923266716 atm. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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