Weight Converter
Convert between different weight units including kilograms (kg), pounds (lbs), ounces (oz), grams, and more.
Weight Converter
Convert between various weight units. All conversions are based on standard international units.
Result
Enter a value and click "Convert" to see the result
Understanding Weight Conversions
Weight conversion is essential for understanding mass measurements across different systems. The base unit is kilograms (kg).
Common Weight Units:
- kg (Kilograms): Base SI unit for mass, used worldwide
- g (Grams): Smaller metric unit, 1 kg = 1,000 g
- lb (Pounds): Used in US and UK, 1 lb = 0.453592 kg
- oz (Ounces): Smaller imperial unit, 1 oz = 0.0283495 kg
- st (Stone): Used in UK, 1 stone = 6.35029 kg
- t (Metric Ton): 1 metric ton = 1,000 kg
Common Conversions:
- 1 kg = 2.20462 lbs
- 1 lb = 0.453592 kg
- 1 kg = 35.274 oz
- 1 oz = 0.0283495 kg
- 1 stone = 14 lbs = 6.35029 kg
Frequently Asked Questions
How do I convert between kilograms and pounds?
Multiply kilograms by 2.205 to get pounds, or divide pounds by 2.205 to get kilograms. So 70 kg ≈ 154 lb.
How many grams are in an ounce?
One ounce equals about 28.35 grams. A pound (16 ounces) is about 453.6 grams.
What is the difference between mass and weight?
Mass (kg, g) is the amount of matter and is constant everywhere; weight is the force of gravity on that mass. In everyday use the terms are used interchangeably, and this tool converts mass units.
How many kilograms are in a stone?
One stone equals about 6.35 kilograms (14 pounds). The stone is commonly used for body weight in the UK and Ireland.