Instantly convert between kilograms (kg), pounds (lbs) and stone (st) using official international conversion factors. Perfect for body weight, fitness, healthcare, travel, sports and everyday weight conversions.
✔ kg ⇄ lbs ⇄ st • ✔ Instant conversion • ✔ Metric & Imperial • ✔ Free converter
The Kilograms ⇄ Pounds ⇄ Stones Converter lets you quickly convert between the three most commonly used weight units: kilograms (kg), pounds (lbs), and stones (st). Whether you're tracking body weight, following a fitness programme, checking airline baggage limits, comparing medical records, or converting international measurements, this calculator provides fast and accurate results.
The converter supports all six conversion directions:
Simply enter a weight, choose the desired conversion, and the calculator instantly displays the result together with the equivalent values in all three units.
The calculator uses internationally recognised conversion factors:
lbs = kg × 2.20462
st = lbs ÷ 14
kg = lbs × 0.453592
lbs = st × 14
The converter accepts both whole numbers and decimal values for maximum accuracy.
| Kilograms | Pounds | Stones |
|---|---|---|
| 50 kg | 110.23 lbs | 7 st 12.2 lb |
| 60 kg | 132.28 lbs | 9 st 6.3 lb |
| 70 kg | 154.32 lbs | 11 st 0.3 lb |
| 80 kg | 176.37 lbs | 12 st 8.4 lb |
| 90 kg | 198.42 lbs | 14 st 2.4 lb |
| 100 kg | 220.46 lbs | 15 st 10.5 lb |
Track body weight, gym progress and nutrition goals.
Convert patient weights between medical systems.
Understand baggage limits in metric and imperial units.
Convert package and freight weights accurately.
This calculator uses official international conversion factors to provide accurate and consistent weight conversions every time.
How many pounds are in 1 kilogram?
1 kilogram equals exactly 2.20462 pounds.
How many kilograms are in 1 stone?
1 stone equals approximately 6.35029 kilograms.
How many pounds are in 1 stone?
1 stone equals exactly 14 pounds.
Can I convert decimal values?
Yes. The converter supports both whole numbers and decimal weights.
Why are stones still used?
Stones remain a popular way of expressing body weight in the United Kingdom and Ireland, while kilograms are used in most other countries and pounds are common in the United States.
Convert seconds, minutes, hours, days, weeks and years instantly.
Convert kilograms, pounds and stones (kg, lb, st).
Convert centimetres, metres, inches and feet.
Convert mph, km/h, knots and metres per second.
Convert MPG to L/100km and litres per 100 kilometres.
Convert Celsius, Fahrenheit and Kelvin temperatures.
Convert litres, UK gallons and US gallons.
Convert PSI, Bar and kilopascals (kPa).
Convert metric and imperial length units.
Convert square metres, square feet, acres and hectares.
Quickly access our most popular calculators. Fast, accurate, and free — no signup required.
Browse essential calculators for finance, everyday maths, and scientific calculations — all in one place.
✔ Free • ✔ Fast • ✔ No signup required • ✔ No DATA collected
Built for personal use, now shared for free — simple, fast, and private calculators for everyone.
Last Updated: August 2026