ATM to kPa

Convert atm to kPa (atmospheres to kilopascals) and back using the precise factor 1 atm = 101.325 kPa. Mobile-first, no-refresh, professional UI.

Decimals:

Atmospheres (atm)

Type a value or use quick buttons. Negative values are allowed for differential/relative pressure.

Kilopascals (kPa)

Values sync automatically using the exact factor 101.325.

Conversion factor: 1 atm = 101.325 kPa

Current atm

Converted kPa

101.325

Approx. bar

1.01325

Uses 1 bar = 100 kPa.

How the ATM to kPa Works

This converter uses the internationally accepted standard: 1 atm = 101.325 kPa To convert:

kPa = atm × 101.325
atm = kPa ÷ 101.325

Enter a value in either field. The other side updates instantly based on the current decimal precision. All calculations run in-browser for speed and privacy.

This calculator is for informational and educational purposes only. Always follow engineering, lab, or manufacturer guidelines where exact pressure standards are required.

Frequently Asked Questions

How do you convert atm to kPa?

Multiply atmospheres (atm) by 101.325 to get kilopascals (kPa). Formula: kPa = atm × 101.325.

How do you convert kPa to atm?

Divide kilopascals (kPa) by 101.325 to get atmospheres (atm). Formula: atm = kPa ÷ 101.325.

Is 1 atm 1 kPa?

No. 1 atmosphere equals 101.325 kPa.

Is 100 kPa equal to 1 atm?

Not exactly. 100 kPa ≈ 0.986923 atm, which is slightly less than 1 atm.

Is 1 atm or 101.3 kPa?

1 atm equals 101.325 kPa. Many sources round to 101.3 kPa.