10 Stone to KG: Convert 10 Stone and Pounds to Kilograms
10 stone is 63.5 kg. The exact figure is 63.503 kg, and it is the same as 140 pounds. To convert 10 stone to kg yourself, multiply 10 by 6.35029.
Below you will find the working behind 10 stone to kg, a pound-by-pound table and a guide to what this weight means at different heights. For the full picture across every stone, see our stone to kg conversion chart.
Stone to Kg Converter
Instant, accurate weight conversion
1 stone = 14 pounds = 6.35029 kg • 1 kg = 2.20462 lb
How do you convert 10 stone to kg?
Multiply the stone by 6.35029, because one stone weighs 6.35029 kilograms. Ten times 6.35029 is 63.5029, which rounds to 63.5 kg.
There is a second way that gives the same result. Turn the stone into pounds first, then turn the pounds into kilograms:
- 10 stone × 14 = 140 pounds
- 140 pounds × 0.453592 = 63.5 kg
The second method is the one to use when you have spare pounds on top, such as 10 stone 4. Add the extra pounds at step one and carry on as before.
What is 10 stone and a few pounds in kg?
Each pound over 10 stone adds 0.45 kg. The table gives the answer for every pound from 10 stone 0 to 10 stone 13.
| Stone and pounds | Kilograms | Pounds only |
| 10 st 0 lb | 63.50 kg | 140 lb |
| 10 st 1 lb | 63.96 kg | 141 lb |
| 10 st 2 lb | 64.41 kg | 142 lb |
| 10 st 3 lb | 64.86 kg | 143 lb |
| 10 st 4 lb | 65.32 kg | 144 lb |
| 10 st 5 lb | 65.77 kg | 145 lb |
| 10 st 6 lb | 66.22 kg | 146 lb |
| 10 st 7 lb | 66.68 kg | 147 lb |
| 10 st 8 lb | 67.13 kg | 148 lb |
| 10 st 9 lb | 67.59 kg | 149 lb |
| 10 st 10 lb | 68.04 kg | 150 lb |
| 10 st 11 lb | 68.49 kg | 151 lb |
| 10 st 12 lb | 68.95 kg | 152 lb |
| 10 st 13 lb | 69.40 kg | 153 lb |
One more pound takes you to 11 stone, which is 69.85 kg.
What is 10 and a half stone in kg?
Ten and a half stone is 66.68 kg. Half a stone is 7 pounds, so this is the same as 10 stone 7.
Be careful with the way it is written. On a screen, “10.5 stone” means ten and a half stone. It does not mean 10 stone 5 pounds, which is 65.77 kg. The gap between the two is almost a kilogram. If you are filling in a form, write the stone and pounds out in full to avoid any doubt.
What is 10 stone in pounds, ounces and grams?
Ten stone is 140 pounds, 2,240 ounces or 63,503 grams. All four figures describe the same weight.
| Unit | 10 stone equals |
| Kilograms | 63.5 kg |
| Grams | 63,503 g |
| Pounds | 140 lb |
| Ounces | 2,240 oz |
The pounds figure is the one to give to friends or family in the United States, where stone is not used. The kilogram figure is the one for doctors, gyms and most forms.
Is 10 stone a healthy weight for your height?
For most adults, 10 stone is a healthy weight if you are between about 5 feet 3 and 6 feet 1 tall. That is the height range where 63.5 kg gives a body mass index from 18.5 to 24.9.
BMI is worked out by dividing your weight in kilograms by your height in metres squared. Here is the BMI for someone who weighs 10 stone at different heights:
| Height | BMI at 10 stone | Range |
| 150 cm (4 ft 11) | 28.2 | Overweight |
| 155 cm (5 ft 1) | 26.4 | Overweight |
| 160 cm (5 ft 3) | 24.8 | Healthy |
| 165 cm (5 ft 5) | 23.3 | Healthy |
| 170 cm (5 ft 7) | 22.0 | Healthy |
| 175 cm (5 ft 9) | 20.7 | Healthy |
| 180 cm (5 ft 11) | 19.6 | Healthy |
| 185 cm (6 ft 1) | 18.6 | Healthy |
| 190 cm (6 ft 3) | 17.6 | Underweight |
Treat this as a rough guide. BMI does not account for muscle, age or body shape, and different limits apply to some ethnic groups. It is not used in the same way for children, teenagers or pregnant women. Your GP can give advice that fits you.
How heavy is 10 stone in everyday terms?
Ten stone is about the weight of 63 one-litre bottles of water, since a litre of water weighs one kilogram. Picturing a weight this way can be easier than reading a number.
A few more comparisons:
- Two and a half 25 kg bags of cement.
- Nearly three suitcases packed to a 23 kg airline limit.
- The top weight for a super lightweight boxer, a class with a limit of 140 pounds.
- A little under two thirds of 100 kg.
How does 10 stone compare with nearby weights?
Ten stone sits 6.35 kg above 9 stone and 6.35 kg below 11 stone. The half-stone steps on either side are 3.18 kg apart.
| Weight | Kilograms |
| 9 st | 57.15 kg |
| 9 st 7 lb | 60.33 kg |
| 10 st | 63.50 kg |
| 10 st 7 lb | 66.68 kg |
| 11 st | 69.85 kg |
It also helps to know where the round metric numbers fall. Sixty kilograms is 9 stone 6.3 pounds, and 65 kg is 10 stone 3.3 pounds. So anyone who weighs between 60 and 65 kg is within a few pounds of 10 stone.
How many kg would you need to lose or gain to reach 10 stone?
Take 63.5 away from your current weight in kilograms. The answer is how far you are from 10 stone.
| Starting weight | In kg | Change needed to reach 10 stone |
| 9 st | 57.15 kg | Gain 6.35 kg |
| 9 st 7 lb | 60.33 kg | Gain 3.18 kg |
| 10 st 7 lb | 66.68 kg | Lose 3.18 kg |
| 11 st | 69.85 kg | Lose 6.35 kg |
| 12 st | 76.20 kg | Lose 12.70 kg |
| 13 st | 82.55 kg | Lose 19.05 kg |
Health services in the UK generally suggest a steady loss of about 0.5 to 1 kg a week, which is 1 to 2 pounds. At that pace, someone going from 11 stone to 10 stone would take roughly six to thirteen weeks. Talk to your GP before starting a weight loss plan, especially if you have a health condition.
Who usually needs to convert 10 stone to kg?
Anyone who knows their weight in stone and is asked for it in metric. In the UK that happens more often than you might expect.
A hospital pre-assessment form will ask for kilograms. So will a gym induction, a treadmill or rowing machine, and many travel and activity bookings. Ski hire shops ask for your weight in kg so they can set the bindings on your skis correctly. Online size guides for wetsuits, bikes and climbing harnesses often use kilograms too. In each case, a person who weighs 10 stone should enter 63.5 kg, or 64 kg if only whole numbers are allowed.
What would an American call 10 stone?
An American would call it 140 pounds. Stone is not used for body weight in the United States or Canada, so the word may draw a blank look.
If you are talking to someone from North America, give your weight in pounds only. For nearly everyone else, kilograms are the safest choice. The UK and Ireland are the only places where “10 stone” will be understood straight away.
Why does 10 stone come out as such a neat number in kg?
It is a coincidence of the units. One stone is 6.35029 kg, so ten of them make 63.5029 kg, and the tiny extra bit disappears when you round.
This makes 10 stone one of the easiest conversions to remember. You can build other weights from it. Twenty stone is double, at 127 kg. Five stone is half, at 31.75 kg. Fifteen stone is one and a half times as much, at 95.25 kg.
It is also a useful anchor for the reverse sum. If you see a weight near 63 or 64 kg on a form, you know at once that it is close to 10 stone.
How do you switch bathroom scales from stone to kg?
Most digital scales have a small unit button on the underside or the back, often marked “unit” or “kg/lb/st”. Press it until the display shows kg.
On some models the button sits inside the battery cover. Smart scales that link to a phone usually change units in the app settings, not on the scales. After switching, step on and check the reading against the table above. A weight of 10 stone should now show as 63.5 kg.
Frequently asked questions
Is 10 stone 63 kg or 64 kg?
It is 63.5 kg, exactly halfway between the two. If a form only takes whole numbers, 64 kg is the usual rounding.
What is 10 stone 7 lbs in kg?
10 stone 7 pounds is 66.68 kg.
How many pounds is 10 stone?
Ten stone is 140 pounds.
Is 10 stone heavy for a woman?
It depends on height. At 5 feet 5, a weight of 10 stone gives a BMI of 23.3, which is inside the healthy range. The average woman in England weighs around 11 stone.
Does 10 stone to kg change with age or sex?
No. A conversion only changes the unit, so 10 stone is 63.5 kg for everybody. What changes from person to person is whether that weight is a healthy one.
What is 10 stone 10 in kg?
10 stone 10 pounds is 68.04 kg.
What is 63.5 kg in stone and pounds?
63.5 kg is 10 stone 0 pounds. Use our kg to stone converter for the reverse calculation.
How do I convert 10 stone to kg without a calculator?
Multiply 10 by 6 to get 60, then add a third of 10, which is about 3.3. That gives 63.3 kg, very close to the true figure.
What is the short answer?
Ten stone equals 63.5 kg, or 140 pounds. Add 0.45 kg for every extra pound, and 3.18 kg for an extra half stone. For any other weight, use the stone to kg converter on this site.