1. What is a Stone to Kilograms Calculator?

Definition: This calculator converts weight measurements from stones to kilograms.

Purpose: It helps with weight conversions between imperial (stone) and metric (kilogram) units.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( \text{Kg} \) — Weight in kilograms
• \( \text{Stone} \) — Weight in stones

Explanation: One stone equals exactly 6.35029 kilograms by international definition.

3. Importance of Weight Conversion

Details: Accurate conversions are essential for medical, fitness, and scientific applications where metric measurements are standard.

4. Using the Calculator

Tips: Simply enter the weight in stones (must be > 0) and the calculator will display the equivalent in kilograms.

5. Frequently Asked Questions (FAQ)

Q1: Why 6.35029 kg per stone?
A: This is the internationally agreed conversion factor where 1 stone equals exactly 6.35029 kilograms.

Q2: How precise is this conversion?
A: The conversion factor is exact, though results may be rounded for practical use.

Q3: Where is the stone unit commonly used?
A: Primarily in the UK and Ireland for body weight measurements.

Q4: Can I convert kilograms back to stones?
A: Yes, divide kilograms by 6.35029 to get stones.

Q5: What's the history of the stone unit?
A: The stone was historically used for trade in Europe, standardized to 14 pounds (approximately 6.35 kg) in England in 1835.