Weight conversions are frequently needed in health, fitness, medical records, and everyday life. One of the most common conversions in the UK and Ireland is from pounds (lb) to stone (st). While pounds are widely used in the United States, the stone is still a traditional weight unit in the UK.
Lb to Stone Calculator
Why Use an LB to Stone Calculator?
- Accuracy – Eliminates human error in conversion.
- Convenience – Quick results with just one input.
- Health & Fitness – Commonly used in weight tracking and BMI calculations in the UK.
- Global Relevance – Useful for international users comparing weight standards.
How to Use the LB to Stone Calculator
Using the calculator is very simple:
- Enter the weight in pounds (lb).
- Press the Convert button.
- Instantly, the equivalent weight in stone (st) is displayed.
Formula for Converting Pounds to Stone
The relationship between pounds and stone is:
1 stone = 14 pounds
So, the conversion formula is:
Stone = Pounds ÷ 14
Examples of Conversion
Example 1:
Convert 140 lb to stone.
Stone = 140 ÷ 14 = 10 st
Example 2:
Convert 200 lb to stone.
Stone = 200 ÷ 14 = 14.29 st
Example 3:
Convert 175 lb to stone.
Stone = 175 ÷ 14 = 12.5 st
Conversion Table – Quick Reference
| Pounds (lb) | Stone (st) |
|---|---|
| 14 lb | 1 st |
| 28 lb | 2 st |
| 70 lb | 5 st |
| 140 lb | 10 st |
| 196 lb | 14 st |
| 210 lb | 15 st |
| 280 lb | 20 st |
This table gives a quick overview for commonly used values.
Real-Life Applications of the LB to Stone Conversion
- Medical records – In the UK, patients’ weights are often measured in stone.
- Fitness tracking – Many gyms in the UK use stone for recording weight.
- Sports – Boxing, rugby, and horse racing often use stone.
- Everyday life – People commonly refer to body weight in stone.
- International comparison – Helpful for travelers converting between units.
Benefits of the LB to Stone Calculator
- Instant results – No need for mental math.
- Free and user-friendly – Accessible on any device.
- Accurate for decimals – Works with fractional pounds.
- Widely applicable – Health, fitness, shipping, and education.
- Saves time – Especially for repeated conversions.
20 Frequently Asked Questions (FAQs) About LB to Stone Conversion
1. How many pounds are in 1 stone?
There are 14 pounds in 1 stone.
2. What is the formula to convert pounds to stone?
Stone = Pounds ÷ 14.
3. What is 140 lb in stone?
140 ÷ 14 = 10 st.
4. How many stone is 200 lb?
200 ÷ 14 = 14.29 st.
5. What is 1 lb in stone?
1 ÷ 14 = 0.0714 st.
6. Why is stone still used in the UK?
It’s a traditional unit for measuring body weight.
7. What is 100 lb in stone?
100 ÷ 14 = 7.14 st.
8. How do I convert 10 stone to pounds?
Multiply by 14 → 10 × 14 = 140 lb.
9. What is 180 lb in stone?
180 ÷ 14 = 12.86 st.
10. What is 1.5 stone in pounds?
1.5 × 14 = 21 lb.
11. Is stone used in the US?
No, the US uses pounds instead.
12. What is 15 stone in pounds?
15 × 14 = 210 lb.
13. Can the calculator handle decimals?
Yes, e.g., 175.5 lb = 12.54 st.
14. What is 120 lb in stone?
120 ÷ 14 = 8.57 st.
15. Is this calculator free?
Yes, it’s completely free to use.
16. What is 50 lb in stone?
50 ÷ 14 = 3.57 st.
17. Is stone part of the metric system?
No, it’s part of the imperial system.
18. What is 250 lb in stone?
250 ÷ 14 = 17.86 st.
19. Can I use this for weight loss tracking?
Yes, many people in the UK track progress in stone.
20. What countries still use stone?
Mainly the UK and Ireland.
Conclusion
The LB to Stone Calculator is a fast, accurate, and reliable tool for converting pounds to stone. Since 1 stone equals 14 pounds, the formula is simple, but doing it repeatedly can be time-consuming. This calculator provides instant results, making it especially useful in healthcare, fitness, sports, and everyday life.