Stones to Kilograms Converter

Convert stones (st) to kilograms (kg) instantly with our accurate online calculator. Professional conversion tool for imperial weight unit and metric weight unit.

Stones (st)

→

Kilograms (kg)

Conversion Factor: 1 stones = 6.35029 kilograms

Stones to Kilograms Conversion Table

Stones (st)	Kilograms (kg)	Common Use
0.001	0.006350	Common weight
0.01	0.063503	Common weight
0.1	0.635029	Small apple
0.5	3.175145	Large apple
1	6.350290	Small dog
2	12.700580	Medium dog
5	31.751450	Large dog
10	63.502900	Adult person
20	127.005800	Very heavy person
50	317.514500	Small adult
100	635.029000	Large adult
200	1270.058000	Two adults
500	3175.145000	Five adults
1000	6350.290000	Common weight

Real-World Applications

Body Weight Management

Convert body weight from stones to other units for medical records, fitness tracking, and health monitoring applications.

Sports & Fitness

Convert athlete weights from stones to pounds or kilograms for competition records and training programs.

Nutrition & Diet

Convert food weights from stones to grams or ounces for nutritional analysis and recipe calculations.

Industrial & Manufacturing

Convert material weights from stones to metric units for manufacturing processes and quality control.

Frequently Asked Questions

How do I convert stones to kilograms?

To convert stones to kilograms, multiply the stones value by 6.35029. For example, 2 stones = 2 × 6.35029 = 12.700580 kilograms.

What is the conversion factor for stones to kilograms?

The conversion factor is 6.35029, meaning 1 stones equals 6.35029 kilograms. This factor is used for all stones to kilograms conversions.

Is this calculator accurate for stones to kilograms conversion?

Yes, our calculator provides accurate conversions with up to 6 decimal places precision, suitable for professional and scientific applications.

Can I convert fractional stones values?

Yes, you can convert any decimal stones value. The calculator accepts values like 1.5, 2.25, etc., and provides precise kilograms results.

What are common stones to kilograms conversions?

Common conversions include: 1 stones = 6.35029 kilograms, 10 stones = 63.502900 kilograms, 100 stones = 635.029000 kilograms.

Why use this stones to kilograms converter?

Our converter provides instant, accurate results with real-time calculation, making it perfect for professional, educational, and personal use.

Mathematical Background

Conversion Formula

The conversion from stones to kilograms uses the following formula:

Kilograms = Stones × 6.35029

Historical Context

The stone is a traditional British unit of weight, historically used for measuring body weight and commodities. One stone equals 14 pounds or approximately 6.35 kilograms.

Precision Considerations

For high-precision applications, the conversion factor 6.35029 provides accuracy to 6 decimal places. This level of precision is suitable for most professional and scientific applications.

Common Stones to Kilograms Examples

1 stones = 6.350290 kilograms

5 stones = 31.751450 kilograms

10 stones = 63.502900 kilograms

20 stones = 127.005800 kilograms

50 stones = 317.514500 kilograms

100 stones = 635.029000 kilograms

Tips and Best Practices

Use Appropriate Precision

For most applications, 2-4 decimal places are sufficient. Use higher precision only when required for scientific or technical purposes.

Verify Results

Double-check important conversions using multiple methods or sources to ensure accuracy in critical applications.

Consider Context

Be aware of the specific unit system and precision requirements for your particular use case or industry.

Round Appropriately

Round final results to match the precision of your input values and the requirements of your application.

Industry Standards and Regulations

International Standards

Stones are part of the imperial system and are commonly used in the UK and Ireland for body weight measurements. One stone equals exactly 14 pounds or 6.35029 kilograms.

Quality Control

For industrial applications, stone measurements must meet specific accuracy standards. Our calculator provides precision to 6 decimal places, suitable for most professional and commercial applications.

Documentation Requirements

When converting stones to kilograms for official documentation, always verify the conversion factor and maintain appropriate precision levels for your specific industry requirements.

Historical Context and Evolution

Stone Weight Origins

The stone as a unit of weight dates back to ancient times, with different regions using stones of varying weights. The modern stone of 14 pounds was standardized in England in the 14th century.

Modern Usage

Stones remain popular in the UK and Ireland for measuring body weight, though they are gradually being replaced by kilograms in medical and official contexts.

Global Adoption

While stones are primarily used in the UK and Ireland, understanding stone conversions is important for international communication and historical document interpretation.

Real-World Examples

An average adult weighs about 10 stones = 63.50 kilograms

A newborn baby weighs around 7 stones = 44.45 kilograms

A professional boxer in the heavyweight division weighs 15+ stones = 95.25 kilograms

A large dog might weigh 2-3 stones = 15.88 kilograms

Why Choose Our Stones to Kilograms Converter?

Accuracy

Our calculator provides precision to 6 decimal places, ensuring accurate results for professional and scientific applications.

Speed

Get instant results as you type, with real-time conversion updates for maximum efficiency.

Reliability

Based on internationally recognized conversion factors and standards, ensuring consistent and reliable results.

User-Friendly

Clean, intuitive interface designed for both professionals and general users, with helpful examples and guidance.