Instant Kilogram to Stone Converter
Enter a value in kilograms (kg) and get the equivalent in stones (st), plus a stone-and-pound breakdown.
How this kilo to stone calculator works
This calculator converts kilograms into stones using the exact conversion constant used in weight calculations. It is useful for anyone who tracks body weight in metric units but needs results in the UK-style stone system.
Unlike simple rounded tools, this one also gives you a practical reading in stones and pounds, which is how many people naturally say their weight (for example, “11 stone 6 pounds”).
Steps to use the calculator
- Type your weight into the kilograms input field.
- Click Convert to Stone (or press Enter).
- Read the output in decimal stones and in stone + pounds format.
- Use Reset to clear and calculate another value quickly.
Conversion formula: kilograms to stones
The relationship between kilograms and stones is fixed:
1 kilogram = 0.157473044 stone
To convert kilograms to stones, divide kilograms by 6.35029318:
If you also want pounds, take the decimal part of stones and multiply by 14 (because 1 stone = 14 pounds).
Common kilo to stone conversions
| Kilograms (kg) | Stones (decimal) | Stones + Pounds |
|---|---|---|
| 50 kg | 7.87 st | 7 st 12.23 lb |
| 60 kg | 9.45 st | 9 st 6.28 lb |
| 70 kg | 11.02 st | 11 st 0.33 lb |
| 80 kg | 12.60 st | 12 st 8.38 lb |
| 90 kg | 14.17 st | 14 st 2.43 lb |
| 100 kg | 15.75 st | 15 st 10.49 lb |
Why use stones instead of kilograms?
Kilograms are part of the metric system and are used globally. Stones are still common in the UK and Ireland for body weight conversations, medical contexts, and everyday communication. If your scale, doctor, coach, or app uses a different unit than you prefer, a fast conversion helps avoid confusion.
When this calculator is useful
- Tracking weight-loss or fitness goals.
- Reading international health charts and reports.
- Comparing gym data across apps with different units.
- Converting values from travel, sports, or nutrition plans.
Tips for accurate conversion
- Use decimal input when needed (for example, 68.4 kg).
- Avoid heavy rounding until the final result.
- For body-weight trends, stay consistent with one unit over time.
- If sharing your weight, include both units to avoid misinterpretation.
FAQ: kilo to stone calculator
Is this calculator accurate?
Yes. It uses the exact kilograms-to-stone conversion factor and returns both decimal and stone/pound formats.
Can I convert very small or very large values?
Yes. The converter accepts decimal values and handles a broad range of non-negative numbers.
What is 75 kg in stone?
75 kg is approximately 11.81 stone, or about 11 st 11.58 lb.
What is 1 stone in kilograms?
1 stone equals 6.35029318 kg.
Final note
If you frequently move between metric and imperial units, keep this page bookmarked. A quick, reliable kilo-to-stone conversion can save time and prevent mistakes in health tracking, exercise planning, and everyday communication.