Kilograms to Stone and Pounds Converter
Convert body weight between kilograms and stone and pounds, or from stone and pounds back into kilograms.
Your results
Calculation breakdown
- kg to stone/pounds
- Total pounds = kg ÷ 0.45359237, then split into stone (14 lb each) and pounds
- Stone/pounds to kg
- kg = (stone × 14 + pounds) × 0.45359237
Worked example
70 kg converts to 11 stone 0.3 pounds, close to the commonly quoted '11 stone' body weight.
Assumptions
- Uses the exact international pound (0.45359237 kg) definition and 14 pounds per stone.
How this calculator works
This calculator converts a weight value between kilograms, the standard Australian medical and everyday unit, and stone and pounds, still widely used informally to describe body weight. Enter a value in kilograms to see the stone-and-pounds equivalent, or switch direction to convert stone and pounds back into kilograms.
Frequently asked questions
How many pounds are in a stone?
One stone equals 14 pounds, a traditional British and Australian informal unit for body weight.
How many kilograms is one stone?
One stone is approximately 6.35 kilograms.
Why is body weight sometimes given in stone in Australia?
Stone remains a common informal way older generations and some contexts describe body weight, even though kilograms are the official metric unit.