SwapUnits

    Convert

    atmkPa

    Atmosphere
    atm
    Kilopascal
    101.325
    kPa
    Rounded result (4 decimals max)

    Formula

    1 atm = 101.325 kPa

    Conversion sourcesTap or click to view references
    • The International System of Units (SI) — NIST Special Publication 330

      National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

    Results update as you type. Swap the direction to convert back from kPa to atm.

    atm to kPa quick table

    Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

    Atmosphere (atm)Kilopascal (kPa)
    0.25 atm25.3313 kPa
    0.5 atm50.6625 kPa
    1 atm101.325 kPa
    2 atm202.65 kPa
    5 atm506.625 kPa
    10 atm1,013.25 kPa
    25 atm2,533.125 kPa
    100 atm10,132.5 kPa

    kPa back to atm

    Keep the reciprocal handy when double-checking calculations or undoing a conversion.

    Kilopascal (kPa)Atmosphere (atm)
    0.25 kPa0.0025 atm
    0.5 kPa0.0049 atm
    1 kPa0.0099 atm
    2 kPa0.0197 atm
    5 kPa0.0493 atm
    10 kPa0.0987 atm
    25 kPa0.2467 atm
    100 kPa0.9869 atm

    Explore more pressure conversion cheat sheet

    Compare all pressure conversion cheat sheet

    View the full unit roster, charts, and tips for Pressure Conversion Cheat Sheet conversions.

    Open category guide