Stones to Kilograms
One stone equals 6.350293 kilograms.
Kilograms = stones × 6.35029318
Weight & Mass Conversion Calculator
Common Weight Conversions
Weight & Mass Units Reference
Metric System
- 1 t = 1,000 kg
- 1 kg = 1,000 g
- 1 g = 1,000 mg
- 1 ct = 200 mg
Imperial System
- 1 ton (US) = 2,000 lb
- 1 ton (UK) = 2,240 lb
- 1 st = 14 lb
- 1 lb = 16 oz
Key Conversions
- 1 kg = 2.205 lb
- 1 oz = 28.35 g
- 1 st = 6.35 kg
- 1 gr = 64.8 mg
Stones to Kilograms Conversion Table
| st | kg |
|---|---|
| 7 | 44.4521 |
| 8 | 50.8023 |
| 9 | 57.1526 |
| 10 | 63.5029 |
| 11 | 69.8532 |
| 12 | 76.2035 |
| 13 | 82.5538 |
| 14 | 88.9041 |
| 15 | 95.2544 |
| 16 | 101.6047 |
| 17 | 107.955 |
| 18 | 114.3053 |
| 20 | 127.0059 |
| 22 | 139.7064 |
| 25 | 158.7573 |
About This Conversion
Stones to kilograms turns a spoken British weight into the figure a metric medical record, airline or gym needs. Multiply by 6.35029318, or by 14 and then 0.45359 if you prefer to go through pounds.
Clinical use is where precision matters, because drug dosing is per kilogram. A patient reported as "about 13 stone" spans 82.5 to 83.9 kg depending on how the pounds were rounded away, which is enough to shift a weight-based dose.
Frequently Asked Questions
How many kg is 12 stone?
12 stone is 76.2 kilograms.
How many kg is 10 stone 7?
10 st 7 lb is 147 pounds, which is 66.68 kilograms.
How many kilograms are in a stone?
One stone is 6.35029 kilograms.
Why does rounding stones matter medically?
Weight-based drug doses are calculated per kilogram, and dropping the pounds from a stone figure can move the weight by several kilograms.
Worth Knowing
Ton vs Tonne
A US short ton is 2,000 pounds (907.18 kg), a UK long ton is 2,240 pounds (1,016.05 kg), and a metric tonne is 1,000 kilograms (2,204.62 lb).
Fluid Ounce vs Ounce
A US fluid ounce is 29.5735 millilitres of volume, while an ounce is 28.3495 grams of mass; there is no fixed conversion between them.
Troy Ounce vs Ounce
A troy ounce is 31.1034768 grams, roughly 9.7 percent heavier than the avoirdupois ounce of 28.349523125 grams used for everything else.
Weight Conversion Chart
70 kg is 154.3 lb, which is 11 st 0.3 lb; 80 kg is 176.4 lb, or 12 st 8.4 lb.
Cups to Grams for Baking
One US cup holds about 125 g of plain flour, 200 g of granulated sugar, 227 g of butter and 340 g of honey.
Related Conversions
Converting the other way? Kilograms to Stones
Need a different unit? Open the full weight converter