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    Convert

    kcal → J

    Kilocalorie (food)
    kcal
    Joule
    4,184
    J
    Rounded result (4 decimals max)

    Formula

    1 kcal = 4,184 J

    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

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    kcal to J quick table

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    Kilocalorie (food) (kcal)Joule (J)
    0.25 kcal1,046 J
    0.5 kcal2,092 J
    1 kcal4,184 J
    2 kcal8,368 J
    5 kcal20,920 J
    10 kcal41,840 J
    25 kcal104,600 J
    100 kcal418,400 J

    J back to kcal

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

    Joule (J)Kilocalorie (food) (kcal)
    0.25 J0.0001 kcal
    0.5 J0.0001 kcal
    1 J0.0002 kcal
    2 J0.0005 kcal
    5 J0.0012 kcal
    10 J0.0024 kcal
    25 J0.006 kcal
    100 J0.0239 kcal

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