Convert pounds to stones accurately for health, fitness, and weight management. Quick calculator with real-world examples for personal health tracking and professional use.
1 pound equals 0.0714286362275585 stone
Formula: st = lb × 0.0714285
The pound and stone represent two different approaches to measuring weight, with 1 stone equaling exactly 14 pounds. Understanding this conversion is essential for health professionals, fitness coaches, and anyone tracking weight across British and American systems. With healthcare increasingly globalized, accurate conversion between these units prevents medication errors and ensures proper health assessments.
Weight measurement accuracy directly impacts medical dosing, fitness goal tracking, and health assessments. A 10-pound error in conversion could result in incorrect medication calculations or misdiagnosed health trends. The stone system, primarily used in the United Kingdom and Ireland, requires precise conversion when working with international medical databases, fitness applications, or health insurance documentation that uses pounds.
Medical professionals use weight measurements for medication dosing, anesthesia calculations, and patient assessments. In UK hospitals, patient weights are recorded in stones and pounds, while medical literature and international guidelines often reference kilograms or pounds. Accurate conversion ensures proper drug administration and prevents serious medical errors. A 1-stone error (14 pounds) could significantly affect pediatric dosing or chemotherapy calculations.
Fitness professionals and personal trainers in the UK and Ireland record client progress in stones and pounds, while international fitness applications and nutrition databases use pounds or kilograms. Coaches must convert accurately to track progress, adjust training intensity based on weight changes, and communicate with clients using their preferred measurement system. A 2-stone weight loss (28 pounds) represents significant progress and must be tracked precisely across systems.
| pounds | stones |
|---|---|
| 10 lb | 0.714286 st |
| 50 lb | 3.571432 st |
| 100 lb | 7.142864 st |
| 500 lb | 35.714318 st |
| 1000 lb | 71.428636 st |
Formula: st = lb × conversion factor
The pound is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
The stone is a widely used unit for measuring weight. It is commonly used in various applications and industries worldwide.
This pound to stone converter uses high-precision conversion factors to ensure accurate results for professional and academic use.
Our calculator provides results with up to 10 decimal places for maximum accuracy.
One stone equals exactly 14 pounds. This precise relationship means converting is straightforward: multiply stones by 14 to get pounds, or divide pounds by 14 to get stones. For example, 10 stone equals 140 pounds exactly, and 200 pounds equals 14.29 stone (14 stone 4 pounds). This exact ratio has been standardized internationally and is used consistently in medical, fitness, and commercial applications.
The stone unit developed in medieval Britain as a practical measure for commerce and agriculture, and it remained embedded in British culture and law even after the metric system was adopted for most scientific and commercial purposes. The United States, never fully adopting the metric system, standardized on pounds for all weight measurements. Today, the stone persists in the UK and Ireland primarily for personal health and fitness contexts, while professional and scientific measurements use kilograms.
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