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Convert Stone to KG

Convert weight and mass units instantly: milligrams, grams, kilograms, tonnes, ounces, pounds and stone.

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    Result

    This page opens the weight converter preset to stone → kilograms. One stone equals 14 avoirdupois pounds, which makes it exactly 6.35029318 kg, so kilograms = stone × 6.35029318. The stone survives mainly in Britain and Ireland as the customary unit for body weight.

    Body-weight anchors: 8 stone is 50.8 kg, 10 stone is 63.5 kg, 12 stone is 76.2 kg, and 14 stone is 88.9 kg. Mixed values are common — 11 stone 4 lbs means 11 × 6.35029 + 4 × 0.45359 ≈ 71.7 kg; convert the pounds part separately.

    You will want this when reading UK health articles, medical notes or fitness forums, or when a British scale shows stone and your app expects kilograms. Type stone as a decimal number and read kilograms live; the table below lists the usual body-weight range.

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    Accepted Formats & Rules

    • Seven units: mg, g, kg, tonnes, ounces, pounds, stone.
    • Two-way live fields with instant unit swap.
    • Common-values table tuned to the selected units (body weight, cooking amounts).

    Key Benefits

    ✓ Exact international avoirdupois factors (1 lb = 0.45359237 kg by definition) — no rounded rules of thumb.
    ✓ Live two-way conversion: type in either field and the other updates instantly, with one-click unit swap.
    ✓ Runs entirely in your browser, offline-capable — nothing you weigh or convert leaves your device.

    Use Cases

    • • Convert body weight between kilograms, pounds and stone for foreign forms and fitness apps.
    • • Follow American recipes by turning ounces into grams on a metric kitchen scale.
    • • Check airline baggage allowances and parcel weights across metric and imperial units.