Stone to KG Converter

Convert stone to kilograms instantly with our free calculator

st
kg

Conversion Result

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Dr Muhammad Usman
Medically reviewed by Dr Muhammad Usman MBBS
1 stone = 6.35029 kg

Convert your weight from stones to kilograms instantly and accurately without any page reloads. For the reverse, try our metric to imperial calculator, or browse the full conversion reference chart.

Quick Stone to KG Answer

1 stone = 6.35029 kg

stone × 6.35029 = kg

Need more precision? Use our dedicated stone & pounds to kilograms tool.

Quick Reference Chart (1–15 Stone)

If your weight falls outside this preview, view our comprehensive 1 to 100 stone table, or calculate exact figures backwards using the kg to stone calculator.

This is a conversion reference chart. For personalized health or nutrition advice, consult a healthcare professional.

1–15 Stone Conversion Table Conversion Reference
Stone Kilograms Pounds
1 st 6.35 kg 14 lbs
2 st 12.70 kg 28 lbs
3 st 19.05 kg 42 lbs
4 st 25.40 kg 56 lbs
5 st 31.75 kg 70 lbs
6 st 38.10 kg 84 lbs
7 st 44.45 kg 98 lbs
8 st 50.80 kg 112 lbs
9 st 57.15 kg 126 lbs
10 st 63.50 kg 140 lbs
11 st 69.85 kg 154 lbs
12 st 76.20 kg 168 lbs
13 st 82.55 kg 182 lbs
14 st 88.90 kg 196 lbs
15 st 95.25 kg 210 lbs

What is a Stone?

The stone (st) is a unit of mass traditionally used in the 🇬🇧 UK and 🇮🇪 Ireland, primarily for measuring human body weight. One stone is equal to exactly 14 pounds or 6.35029 kilograms. While the UK officially transitioned to the metric system decades ago, the stone remains deeply embedded in everyday British culture for weight measurement. If you know your exact weight in mixed units, our stone and lbs to kg calculator makes finding your metric equivalent effortless.

Pounds

1 stone = 14 lbs

Kilograms

1 stone = 6.35029 kg

Stone to Kilogram Conversion Formula

To convert stones to kilograms yourself, simply multiply your stone value by the exact conversion factor of 6.35029 (or 6.35 for a mental estimate). If you prefer not to do the math, simply consult our visual weight chart, or refer to the reverse formula for going from metric back to imperial.

Visual Formula

STONE
×
6.35029
=
KG
10 stone × 6.35029 = 63.50 kg

Why Convert Stone to KG?

While the stone remains the cultural standard for body weight in the UK, kilograms act as the global standard for medical and scientific measurement. Converting is essential for accurately using a BMI calculator, monitoring health trends, or setting up international fitness tracking apps. If you already know your metric weight, you can easily convert kg to stone back to imperial, or use our mixed unit tool for applying precise pounds.

Weight & Health Context

Converting stone to kg is often the first step in understanding your health. Discover what your weight means for your height and body type with our medically-reviewed guides.

Fitness Tech & Apps

Sync your weight data across your favorite devices. Learn how to configure your wearables and smart scales for maximum precision in stone and kilograms.

How to Use the Stone to KG Calculator

  1. Enter value: Type your metric or imperial weight into the converter tool.
  2. Instant results: The opposite field calculates and updates instantly as you type.
  3. Quick reference: Use the interactive chart above for extremely fast lookups.

Stone to KG FAQs

Find answers to the most common queries below. For other calculations, use our metric to stone converter, explore our stones and pounds tool, or browse the interactive reference chart.

How many kg is a stone?

One stone is exactly 6.35029 kilograms.

How do I convert stone to kg?

Multiply your stone value by 6.35029 to get the weight in kilograms.

What is 10 stone in kg?

10 stone is equal to 63.50 kilograms.

What is 14 stone in kg?

14 stone is equal to 88.90 kilograms.

Is stone used outside the UK?

The stone is primarily used in the UK and Ireland for measuring human body weight, and is rarely used elsewhere.

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Dr Muhammad Usman

MBBS

Dr Muhammad Usman graduated with his MBBS from Avicenna International Medical University in Bishkek, Kyrgyzstan (2019–2024) and brings international clinical training across general medicine, surgery, and public health. He writes all health content on this site to current NHS/WHO guidelines, ensuring clinical accuracy and real-world relevance for UK readers.

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