Pound to Stone UK Converter 2026 - lb to st Calculator | Thiyagi

Pound to Stone UK Converter

Convert between pounds and stones for UK weight measurements, body weight tracking, and imperial system calculations

1 lb = 0.071429 stone
1 stone = 14 lb
Enter a value to see the conversion result

Weight Conversion Reference

Pounds ⇔ Stones
7 lb ⇔ 0.5 st
14 lb ⇔ 1 st
28 lb ⇔ 2 st
70 lb ⇔ 5 st
140 lb ⇔ 10 st
210 lb ⇔ 15 st

Body Weight Examples

Children's Weight:
• Newborn: 6-9 lb (0.4-0.6 st)
• Toddler: 22-30 lb (1.6-2.1 st)
• Child (5-10): 40-80 lb (2.9-5.7 st)
• Teen: 90-150 lb (6.4-10.7 st)
Adult Weight Ranges:
• Lightweight: 100-130 lb (7.1-9.3 st)
• Average: 140-180 lb (10-12.9 st)
• Athletic: 160-200 lb (11.4-14.3 st)
• Heavy: 200+ lb (14.3+ st)
UK Weight Expressions:
• "10 stone 5" = 145 lb
• "12 stone 7" = 175 lb
• "15 stone" = 210 lb
• Stone used in medical settings

Imperial Units

  • Pound: 16 ounces
  • Stone: 14 pounds
  • Conversion: 1 st = 14 lb
  • Origin: Traditional UK unit

Usage Tips

  • Stone common in UK
  • Pounds universal
  • Easy 14:1 ratio
  • Medical applications

Applications

  • Healthcare: Body weight tracking
  • Fitness: Weight goals
  • UK Forms: Official documentation
  • Commerce: Product weights