Weight Converter
Convert between ounces, pounds, grams, kilograms, and metric/short tons instantly.
Enter a value in any field — all other fields update instantly.
All values use internationally accepted conversion factors.
Weight Units Overview
The metric system uses milligrams (mg), grams (g), kilograms (kg), and metric tons (1,000 kg). The US customary system uses ounces (oz), pounds (lb), and short tons (2,000 lb). The troy ounce (31.1 g) is used for precious metals.
Common Weight Conversions
1 pound = 453.592 grams | 1 kilogram = 2.20462 pounds | 1 ounce = 28.3495 grams | 1 short ton = 907.185 kg | 1 metric ton = 1,000 kg
Practical Uses for Weight Conversion
Weight conversion is used in cooking (grams to ounces), fitness (kg to lbs body weight), shipping (determining package weight in different systems), and international trade.
Frequently Asked Questions
- One kilogram equals approximately 2.20462 pounds.
- One ounce equals approximately 28.3495 grams.
- Mass is the amount of matter in an object (measured in kilograms or grams). Weight is the force gravity exerts on that mass. On Earth they are effectively interchangeable for everyday use.
- There are exactly 16 ounces in one pound.