Stone to Kilograms
Convert stone to kilograms instantly — multiply the stone by 6.35029. Type in either box to convert both ways. Handy for medical forms, fitness apps and travel when a body weight is given in stone but you need kilograms.
Stone to Kilograms conversion table
| Stone (st) | Kilograms (kg) |
|---|---|
| 7 st | 44.4521 kg |
| 8 st | 50.8023 kg |
| 9 st | 57.1526 kg |
| 10 st | 63.5029 kg |
| 11 st | 69.8532 kg |
| 12 st | 76.2035 kg |
| 13 st | 82.5538 kg |
| 14 st | 88.9041 kg |
| 15 st | 95.2544 kg |
How to convert stone to kilograms
To convert stone to kilograms, multiply the stone by 6.35029. For example, 1 st equals 6.35029 kg. The calculator above runs the exact factor at full precision and updates as you type, and the swap button flips the direction so you can go from kilograms back to stone just as quickly.
Frequently asked questions
How do you convert stone to kilograms?
To convert stone to kilograms, multiply the stone by 6.35029. For example, 1 st is 6.35029 kg. The calculator above does this for you the moment you type — enter a value on the left and the kilograms result appears on the right, and you can type in either box to convert in the opposite direction. Every result uses the exact internationally defined factor, not a rounded shortcut, so the numbers are accurate enough for schoolwork, cooking, travel and engineering alike.
How many kilograms are in 1 st?
There are 6.35029 kg in 1 st, and stone scale to kilograms in that same fixed ratio at any size. The conversion table on this page lists the most common values — 7 st is 44.4521 kg, and the table continues up to 15 st = 95.2544 kg — so you can read off everyday amounts at a glance without typing anything. Values that fall between those rows convert just as exactly, because the calculator carries the full factor rather than the rounded figures printed here.
Is this st to kg converter accurate?
Yes — this st to kg converter is accurate. It uses the precise, internationally agreed conversion factor rather than a rounded approximation, and the math runs at full double precision in your browser, with results shown to six significant figures. Handy for medical forms, fitness apps and travel when a body weight is given in stone but you need kilograms.
Is the stone to kilograms converter free?
Yes — the stone to kilograms converter is completely free, with no sign-up and no limit on how many conversions you run. Every calculation happens locally in your browser, so nothing you type is uploaded or stored. For other units, the full LK Forge unit converter covers length, weight, temperature, volume and speed in one place.
More conversions
Kilograms → StoneInches → FeetKilograms → PoundsPounds → KilogramsCentimeters → InchesInches → Centimeters All units →
Reference: full unit conversion chart · metric vs imperial, explained