Why use this calculator
Weight conversion is essential for cooking, fitness tracking, shipping, and international communication.
How to use it
Enter the weight value and select the unit. All conversions are shown at once.
The formula
Conversions through grams: 1 lb = 453.592g, 1 oz = 28.35g, 1 kg = 1000g, 1 stone = 14 lbs.
Worked examples
150 lbs
68.04 kg, 10.71 stones
When people use it
- Recipe conversion
- Fitness weight tracking
- Shipping calculations
- International shopping
Tips
- 1 kg ≈ 2.2 lbs for quick mental conversion
- Stones are commonly used for body weight in the UK
Questions people ask
- What is a stone?
- A stone is a unit of weight equal to 14 pounds (6.35 kg), commonly used in the UK and Ireland for body weight.