Kilograms to Stones Calculator
Convert kilograms to stones and pounds instantly. Perfect for body weight conversion in the UK and Ireland. Enter your weight in kg to get the equivalent in stones and pounds, or convert stones and pounds back to kilograms.
What Is a Stone?
A stone (st) is a unit of weight commonly used in the United Kingdom and Ireland for measuring body weight. One stone is equal to 14 pounds (lb) or approximately 6.35029 kilograms (kg). The stone is part of the imperial system of measurement and is still widely used for personal weight, especially in medical and fitness contexts.
This calculator converts between kilograms and the traditional stones and pounds format. For example, 70 kg is approximately 11 stone 0 pounds (11 st 0 lb).
How Does the Kilograms to Stones Calculator Work?
The calculator uses the standard conversion factors:
1 kg = 0.157473 stones
1 stone = 14 pounds = 6.35029 kg
To convert kg to stones and pounds:
Total Stones = kg × 0.157473
Stones = floor(Total Stones)
Pounds = (Total Stones − Stones) × 14
To convert stones and pounds to kg:
Total Pounds = Stones × 14 + Pounds
Kilograms = Total Pounds × 0.453592
Simply enter your weight in kilograms or stones and pounds, select the direction of conversion, and the calculator will instantly compute the equivalent weight.
Why Use This Kilograms to Stones Calculator?
- Two-Way Conversion: Convert kg to stones & pounds and vice versa.
- Body Weight Focus: Perfect for UK and Ireland weight measurement standards.
- Precise Results: Uses the exact conversion factor (0.157473 stones per kg).
- Reference Table: Quick reference for common weight values.
- Free & Private: No registration, no data storage.
Common Weight Equivalents
- 1 kg ≈ 0.157 st ≈ 2.205 lb
- 1 st = 14 lb ≈ 6.35 kg
- 70 kg ≈ 11 st 0 lb
- 80 kg ≈ 12 st 8 lb
- 90 kg ≈ 14 st 2 lb
- 100 kg ≈ 15 st 10 lb
❓ Kilograms to Stones Calculator FAQ
What is a stone in weight?
A stone (st) is a unit of weight equal to 14 pounds (lb) or approximately 6.35029 kilograms (kg). It is commonly used in the UK and Ireland for measuring body weight.
How many kilograms are in a stone?
1 stone = 14 pounds = 6.35029 kilograms.
How many stones are in a kilogram?
1 kilogram = 0.157473 stones. For example, 70 kg × 0.157473 = 11.023 stones.
How do I convert kilograms to stones and pounds?
Multiply kg by 0.157473 to get total stones. The whole number is stones. Multiply the decimal remainder by 14 to get pounds. For example: 70 kg × 0.157473 = 11.023 st → 11 st, 0.023 × 14 = 0.32 lb.
How do I convert stones and pounds to kilograms?
Convert stones to pounds (st × 14), add the pounds, then multiply by 0.453592. For example: 11 st 0 lb = 11 × 14 = 154 lb, 154 × 0.453592 = 69.85 kg.
Why is the stone still used for body weight?
The stone is a traditional unit of weight in the UK and Ireland. It remains in common use for body weight because it provides a convenient scale for human weight ranges — most adults weigh between 8 and 20 stone.
Is a stone the same as a stone weight?
Yes. A "stone" and a "stone weight" are the same unit of measurement — 14 pounds or 6.35 kg.
What is the difference between a stone and a pound?
A pound (lb) is a smaller unit of weight. One stone equals 14 pounds. Weight is often expressed in stones and pounds (e.g., 11 st 6 lb), which is 11 × 14 + 6 = 160 lb.
How do I convert my weight from kg to stone?
Use the formula: stones = kg × 0.157473. For example, if you weigh 75 kg: 75 × 0.157473 = 11.81 stone, which is 11 stone 11.3 pounds.
What is 70 kg in stone?
70 kg is approximately 11 stone 0 pounds (11 st 0 lb). More precisely, 70 kg = 11.023 st = 11 st 0.32 lb.
What is 80 kg in stone?
80 kg is approximately 12 stone 8 pounds (12 st 8 lb). More precisely, 80 kg = 12.598 st = 12 st 8.37 lb.
What is 100 kg in stone?
100 kg is approximately 15 stone 10 pounds (15 st 10 lb). More precisely, 100 kg = 15.747 st = 15 st 10.46 lb.
How do I convert pounds to stone?
Divide pounds by 14 to get stones. For example, 154 lb ÷ 14 = 11 stone. The calculator can do this conversion for you.
Is the stone used in the US?
No. The stone is primarily used in the UK and Ireland. In the US, weight is typically measured in pounds (lb) or kilograms (kg).
What is the symbol for stone?
The symbol for stone is st. For example, 11 stone is written as 11 st.
How accurate is this calculator?
This calculator uses the exact conversion factors (1 st = 6.35029 kg, 1 kg = 0.157473 st) and provides results with customizable decimal precision.
Can I use this calculator for BMI calculations?
Yes. This calculator is perfect for converting your weight into the format used by BMI calculators in the UK and Ireland. After converting, you can use your weight in kg or st & lb with any BMI calculator.