Stone to Kilograms

Convert stone to kilograms instantly. Free online stone to kg converter for body weight and fitness tracking.

The Stone to Kilograms converter is essential for anyone working between UK imperial measurements and the metric system. Stone is commonly used in the UK and Ireland for body weight, while kilograms are the international standard. This tool helps you quickly convert weights for health records, fitness apps, and medical purposes. Our converter uses the precise conversion factor to ensure accuracy for all your weight tracking needs.

Converter

6.35029318

Formula: kg = stone × 6.35029318

Common use cases

  • Converting body weight for international health records
  • Using fitness apps that require metric inputs
  • Medical consultations and health assessments
  • Comparing weights across different measurement systems
  • Immigration or travel documentation requirements

How to use

  1. Enter the weight in stone
  2. View the kilogram equivalent instantly
  3. Include decimal values for stone and pounds combinations
  4. Copy the result for health apps or records
  5. Clear the field for new conversions

FAQ

How many kilograms are in one stone?

One stone equals approximately 6.35 kilograms (exactly 6.35029318 kg).

Why is stone still used for body weight?

Stone remains popular in the UK and Ireland as a traditional unit for expressing human body weight, though kilograms are increasingly common.

How do I convert stone and pounds together?

First convert the stones to kg, then add the pounds converted to kg (1 lb = 0.4536 kg). For example, 10 stone 5 lb = 63.5 + 2.27 = 65.77 kg.

Is this accurate for medical purposes?

Yes, our converter uses the internationally recognized conversion factor suitable for medical and health applications.