Convert 1 atm to bar

"atm to Bar" Calculator
Convert
atm to Bar

How many bar is 1 atm?

Answer

1 atm ≈ 1.01 bar

Same pressure: 1 atm ≈ 101.33 kPa; 1 atm ≈ 14.7 psi; 1 atm ≈ 1.03 kgf/cm². atm is the standard atmosphere (101,325 Pa); the technical atmosphere (at) is 1 kgf/cm².

atmbar0120121 atm1.01 bar

1 atm × 1.01325 ≈ 1.01 bar

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FAQ

How many bar is 1 atm?

1 atm ≈ 1.01 bar

What is the formula to convert atm to bar?

Multiply the pressure in atmospheres by 1.01325, the exact number of bar in one standard atmosphere: bar = atm × 1.01325. For this page: 1 atm × 1.01325 ≈ 1.01 bar.

What is 1 atm in kPa, psi and kgf/cm²?

The same pressure is about 101.33 kPa, about 14.7 psi, or about 1.03 kgf/cm². Gauges print bar, psi, kPa or kgf/cm²; textbooks print atmospheres.

How do I convert 1.01 bar back to atm?

Divide by 1.01325: 1.01 bar ÷ 1.01325 ≈ 1 atm.