Weight Converter
Free online weight converter and weight conversion calculator. Convert weight between kg, lbs, oz, grams, metric tons, stones and more instantly.
Convert between kilograms, pounds, ounces, grams, metric tons, and stones instantly. Useful for cooking, fitness, shipping, and international product specifications.
Common Weight Conversions
- 1 kg = 2.20462 lb
- 1 lb = 453.592 g = 16 oz
- 1 oz = 28.3495 g
- 1 stone = 14 lb = 6.35 kg — used in UK for body weight
- 1 metric ton = 1,000 kg = 2,204.62 lb
Which Unit to Use
In most countries, kilograms and grams are the standard for everyday weight. In the US, pounds and ounces are common. The UK often uses stones for body weight. Cooking recipes frequently list ingredients in grams or ounces. For shipping, both metric and imperial units appear depending on the carrier and destination country.
Frequently Asked Questions
How do I convert kg to pounds?
Multiply kilograms by 2.20462. For example, 70 kg × 2.20462 ≈ 154.3 lbs. In reverse, multiply pounds by 0.453592 to get kilograms.
What is the difference between mass and weight?
Mass measures the amount of matter in an object (kilograms, pounds) and doesn't change with location. Weight is a force due to gravity and varies on different planets — though in everyday life, we use them interchangeably.