Convert long tons to stones accurately for UK weight measurements, livestock, and cargo. Precise calculator with industry examples and conversion factors.
1 long ton equals 159.99987807442946 stone
Formula: st = long tn × 160.000
The long ton (also called the imperial ton or British ton) and the stone are traditional British weight units still commonly used in the UK and Commonwealth nations. One long ton equals exactly 160 stones, making this conversion essential for professionals working with British weight standards. Understanding this relationship is critical for livestock trading, cargo documentation, and heritage measurement systems.
Weight measurement accuracy directly impacts livestock valuation, shipping documentation compliance, and regulatory reporting in UK and Commonwealth markets. A single long ton represents 160 stones—errors in conversion can result in incorrect animal weights, failed export certifications, or miscalculated freight charges. Professionals in agriculture, veterinary medicine, and international trade depend on precise conversions to maintain legal and commercial standards.
British farmers, livestock auctioneers, and veterinarians regularly work with both long tons and stones for animal weights, feed calculations, and market transactions. The stone remains the standard unit for individual animal weights in the UK, while long tons are used for bulk feed and hay shipments. Accurate conversion ensures fair pricing, proper nutrition planning, and compliance with agricultural standards.
UK and Commonwealth shipping documentation frequently specifies cargo weight in both long tons and stones, particularly for historical records and traditional port operations. Port authorities, shipping companies, and customs officials must accurately convert between these units for manifests, weight certificates, and regulatory compliance. Precision is essential to avoid delays in cargo processing and ensure accurate freight charges.
| long tons | stones |
|---|---|
| 1 LT | 159.999878 st |
| 2 LT | 319.999756 st |
| 5 LT | 799.99939 st |
| 10 LT | 1599.998781 st |
| 20 LT | 3199.997561 st |
Formula: st = LT × conversion factor
The long ton 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 long ton 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 long ton equals exactly 160 stones. This is a fixed conversion defined by the avoirdupois weight system used in Britain and Commonwealth nations. To convert long tons to stones, multiply the number of long tons by 160. For example, 2.5 long tons = 2.5 × 160 = 400 stones. This differs from the short ton (US ton), which equals approximately 142.857 stones.
Historical tradition and industry continuity drive the persistence of these units. In agriculture and livestock trading, generations of farmers, veterinarians, and traders have built their expertise and record systems around stones and long tons. The UK government permits these units for specific applications, and international trade between Commonwealth nations and with heritage-focused industries maintains their relevance. Transitioning to metric would require updating centuries of institutional knowledge and market practices.
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