How to use this weight converter
Enter the requested values above and select Calculate. The result updates immediately on the page, so you can change one value and compare different scenarios without leaving the calculator.
Formula and method
Example
Convert pounds to kilograms, ounces to grams or kilograms to pounds.
What this calculator is useful for
Convert weight and mass between ounces, pounds, stones, grams, kilograms and metric tonnes. It is designed for quick estimates and everyday problem solving. When a calculation affects a contract, tax filing, medical decision or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Weight Converter calculate?
Convert weight and mass between ounces, pounds, stones, grams, kilograms and metric tonnes.
How does the calculation work?
Values are converted through kilograms as a common base unit.
Is this calculator free?
Yes. ERICH Calculators is free to use and no account is required.