Convert between weight units.
The Weight and Mass Converter is a useful measurement tool designed to convert weights and masses between different metric and imperial units. While mass is a scientific measure of the amount of matter in an object, and weight is the force exerted on it by gravity, they are used interchangeably in daily life. Converting between weight units like kilograms, pounds, ounces, and grams is a frequent requirement in cooking, shipping, fitness, medical dosing, and manufacturing.
The calculator supports all standard weight units, including milligrams (mg), grams (g), kilograms (kg), and metric tons (t) in the metric system, and ounces (oz), pounds (lb), stones (st), and short/long tons in the imperial system. The converter utilizes precise mathematical conversion factors (such as 2.20462 pounds per kilogram) to perform calculations. The user enters the value, selects the source and target units, and the calculator computes the conversion instantly, displaying the results in a clear format.
The Weight Converter is widely used in business and personal settings. In shipping and logistics, freight companies convert package weights to calculate transport fees and comply with vehicle load limits. In fitness and health, individuals convert their body weight between pounds and kilograms to track progress or calculate dosages for medications that are weight-dependent. In cooking, bakers and chefs convert ingredient weights in recipes, which is essential for baking precision. Additionally, students use the converter in science classes to standardize measurements. The Weight and Mass Converter provides a fast, accurate solution for all weight conversion needs.
How it Works & Formula
Converts between metric weights (kg, g, mg) and imperial weights (lb, oz, stone).
Practical Examples
A 5-pound flour bag converts to approximately 2.268 kilograms.
Frequently Asked Questions
Mass is the amount of matter in an object, which remains constant. Weight measures the gravitational force acting on that mass.
1 kilogram = 2.20462 pounds. Multiply kg by 2.20462 to get pounds. To convert pounds to kg, divide by 2.20462 (or multiply by 0.453592).
1 kilogram = 1,000 grams. 1 metric tonne (or metric ton) = 1,000 kilograms = 1,000,000 grams. These are all metric units of mass.
1 ounce (oz) = 28.3495 grams. To convert ounces to grams, multiply by 28.3495. To go from grams to ounces, divide by 28.3495.
A stone (st) is a unit of weight used primarily in the UK and Ireland, equal to 14 pounds or approximately 6.35 kilograms. Body weight in the UK is often expressed in stones and pounds.