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Kilogram to Stone

kg
Stone (st)
st

st = kg × 0.157473

Quick Reference: Kilogram to Stone

kgst
101.5747
253.9368
507.8737
10015.7473
25039.3683
50078.7365

How to Convert Kilogram to Stone

Formula:

st = kg × 0.157473

Example:

80 kg = 12.5978 st

  1. Enter the value in Kilogram you want to convert
  2. The result is calculated automatically
  3. Copy your result in Stone or continue converting

About Kilogram and Stone

The stone is a traditional British unit still used in the UK and Ireland for body weight. One stone equals exactly 6.35029 kilograms or 14 pounds. While not used in commerce, it remains popular for personal weight measurement.

Common Uses for This Conversion

Understanding British weight discussions, converting between UK and international fitness tracking, and medical contexts in the UK where stone is still commonly used.

💡Did You Know?

The stone was historically used for weighing goods and varied by commodity and region. It was standardized to 14 pounds in 1835. Today, it's primarily used only for human body weight in the UK and Ireland.

Frequently Asked Questions

60 kg = 9 stone 6 lb (9 st 6 lb). To calculate: 60 ÷ 6.35029 = 9.448 stone; take the whole number (9 stone), then 0.448 × 14 = 6.3 lb ≈ 6 lb. This is a healthy weight for many average-height adults — 60 kg falls within the NHS healthy BMI range for heights between 160–175 cm.
70 kg = 11 stone 0 lb (11 st 0 lb). 70 ÷ 6.35029 = 11.023 stone — almost exactly 11 stone. This is close to the average weight for adult women in the UK (approximately 70–72 kg per NHS data). NHS calculators and gym apps in the UK accept weight entered in stone and pounds.
80 kg = 12 stone 8 lb (12 st 8 lb). 80 ÷ 6.35029 = 12.598 stone; 0.598 × 14 ≈ 8 lb. The average adult male in England weighs approximately 83.6 kg (13 st 1 lb, per the NHS Health Survey for England 2019). 80 kg (12 st 8 lb) is slightly below this average.
Stone (st) is a traditional British unit equal to exactly 14 pounds (6.35029 kg). It was formally standardized in 1835 and persists in the UK and Ireland for body weight, even though metric is now official. Saying '11 stone 4' is natural to British and Irish speakers; most continental Europeans and Americans find it confusing. Outside the UK and Ireland, virtually no country uses stone — it is exclusively a cultural holdover in British and Irish usage.

Related Conversions

Kilogram → PoundPound → KilogramGram → OunceOunce → GramStone → KilogramTroy Ounce → GramGram → Troy OunceCarat (gemstone) → GramGram → Carat (gemstone)Grain → GramGram → GrainPennyweight → GramGram → Pennyweight

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