Convert Stone to kg
Trying to figure out your weight? Think of this page as your personal weight translator from stone to kg. Type your number into the stone to kg converter below. Or check out the easy conversion charts to find exactly how many kilos you weigh.
Stone to kilograms converter
Quick Reference
Weight Conversion Table Stone to kg
Need a fast answer? Check out our weight conversion chart for stones to kg below. We did the math so you do not have to.
| Stone (st) | Calculation | Kilograms (kg) |
|---|---|---|
| 1 st | 1 × 6.35029 | 6.35 kg |
| 3 st | 3 × 6.35029 | 19.05 kg |
| 4 st | 4 × 6.35029 | 25.40 kg |
| 6 st | 6 × 6.35029 | 38.10 kg |
| 7.5 st | 7.5 × 6.35029 | 47.62 kg |
| 8 st | 8 × 6.35029 | 50.80 kg |
| 9 st | 9 × 6.35029 | 57.15 kg |
| 9.5 st | 9.5 × 6.35029 | 60.32 kg |
| 10 st | 10 × 6.35029 | 63.50 kg |
| 10.4 st | 10.4 × 6.35029 | 66.04 kg |
| 10.5 st | 10.5 × 6.35029 | 66.67 kg |
| 11 st | 11 × 6.35029 | 69.85 kg |
| 11.7 st | 11.7 × 6.35029 | 74.29 kg |
| 12.5 st | 12.5 × 6.35029 | 79.37 kg |
| 14 st | 14 × 6.35029 | 88.90 kg |
| 15 st | 15 × 6.35029 | 95.25 kg |
| 16 st | 16 × 6.35029 | 101.60 kg |
| 16.5 st | 16.5 × 6.35029 | 104.77 kg |
| 17 st | 17 × 6.35029 | 107.95 kg |
| 18 st | 18 × 6.35029 | 114.30 kg |
| 19 st | 19 × 6.35029 | 120.65 kg |
Step by Step Guide
How to Convert Weight Stone to kg
Using a stones and lbs to kg converter saves you time. But it is always helpful to know how the actual math works.
The Formula
People in the UK use stone to talk about body weight. Most everywhere else uses kilograms. The exact rule is that 1 stone equals 6.35029 kilograms. So to convert stones to kg you just multiply.
If you want to swap kilograms back to stone you divide by 6.35029 instead.
Calculate Your Weight
Find your stone value
Start with the weight you want to convert. For example let us say you weigh 10 stone.
Do the math
Multiply 10 by 6.35029. You get 63.5 kg.
Add your extra pounds
If you have extra pounds you need to turn them into a decimal first. Just divide the pounds by 14. Then add that to your stone number and multiply.
Stone vs Kilograms
What is the difference between stone and kg?
Both units tell you how much mass something has. A stone is a British unit. You will hear people use it when talking about fitness or going to the doctor. Kilograms are part of the metric system.
A single stone is quite heavy. It equals about 6.35 kilograms. So you will always have a higher number of kilograms than stones.
If you need to switch between the two units just remember that multiplying your stone weight by 6.35 gives you a very accurate metric answer.
Worked Examples
Common Stone to kg Calculations
Here is how to calculate weight conversion stone to kg for the numbers people search for most.
9 stone to kg
9 × 6.35029 = 57.15 kg. Nine stone is around 57 kilos.
9 and half stone to kg
9.5 × 6.35029 = 60.32 kg. Nine and a half stone puts you right over 60 kilograms.
10 stone to kg
10 × 6.35029 = 63.50 kg. Ten stone is exactly 63.5 kilograms.
11 stone to kg
11 × 6.35029 = 69.85 kg. Eleven stone is just shy of 70 kilograms.
12.5 stone to kg
12.5 × 6.35029 = 79.37 kg. Twelve and a half stone converts to about 79.4 kilos.
14 stone to kg
14 × 6.35029 = 88.90 kg. Fourteen stone equals almost exactly 89 kilograms.
15 stone to kg
15 × 6.35029 = 95.25 kg. Fifteen stone is a little over 95 kilos.
16 stone to kg
16 × 6.35029 = 101.60 kg. Sixteen stone crosses the 100 kilogram mark.
FAQ
Frequently Asked Questions
Everything you need to know about changing stones and pounds to kg.