How this tool works
Values are converted through kilograms. The avoirdupois pound is exactly 0.45359237 kg, one pound contains 16 ounces, and one stone contains 14 pounds.
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Weight Converter
Convert a value across the metric and UK/US weight units people actually use, including kilograms, pounds and stone.
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When it is useful
Useful for body weight, luggage allowances, recipes, gym equipment, shipping estimates and international product specifications.
Accuracy and unit standards
This converts mass units, even though everyday language often calls them weight. Medical or dosing decisions should always use appropriately calibrated equipment, not an online conversion alone.