What Is a Weight Converter?
A weight converter transforms mass values between metric and imperial units such as kilograms, pounds, ounces, grams, and tons. It bridges the gap between measurement systems used in different countries and industries.
How to Use This Weight Converter
- Enter the weight value to convert.
- Select the source unit from the “From” dropdown (e.g., kilograms).
- Click “Calculate” to see the value converted to all supported units at once (kg, lb, oz, g, mg, st).
Key Concepts
Key conversion factors: 1 kilogram = 2.20462 pounds. 1 pound = 16 ounces = 453.592 grams. 1 metric ton = 1,000 kg. 1 short ton (US) = 2,000 pounds = 907.185 kg. 1 stone = 14 pounds = 6.35 kg. The kilogram is the SI base unit of mass, defined by the Planck constant since 2019.
Result = Value × (From Factor ÷ To Factor)
Frequently Asked Questions
What is the difference between mass and weight?
Mass measures the amount of matter (kilograms), while weight is the force of gravity on that mass (newtons). In everyday usage, they are used interchangeably.
How do I convert between metric and imperial quickly?
For kg to lbs, multiply by 2.2. For lbs to kg, divide by 2.2. For a rough estimate, 1 kg is slightly over 2 pounds.
What is a stone?
A stone is a British unit equal to 14 pounds (6.35 kg), commonly used in the UK and Ireland to express body weight.