Weight Converter
Convert between kg, grams, pounds, ounces, milligrams and tonnes instantly.
⚖️ Weight Converter
Weight Converter — Free Online Mass Converter
Convert between all common weight and mass units instantly with our free online converter. Kilograms, grams, pounds, ounces, stones, metric tonnes, and more — enter any value and see all conversions at once. No account required. Weight unit confusion is incredibly common — particularly between the metric system (kilograms, grams) used in most countries and...
Convert between all common weight and mass units instantly with our free online converter. Kilograms, grams, pounds, ounces, stones, metric tonnes, and more — enter any value and see all conversions at once. No account required.
Weight unit confusion is incredibly common — particularly between the metric system (kilograms, grams) used in most countries and the imperial system (pounds, ounces, stones) used primarily in the US and UK. Whether you're cooking, travelling, measuring luggage, or understanding medical records, accurate weight conversion is essential.
Supported Weight Units
- Metric: milligrams, grams, kilograms, metric tonnes
- Imperial/US: ounces, pounds, stones, short tons, long tons
- Cooking: teaspoon/tablespoon (approximate, varies by ingredient)
Common Weight Conversions
- 1 kilogram = 2.205 pounds
- 1 pound = 0.4536 kilograms
- 1 stone = 14 pounds = 6.35 kilograms
- 1 ounce = 28.35 grams
- 1 metric tonne = 1,000 kilograms = 2,205 pounds
How to Convert Weights — Step by Step
- Select input unit: Choose the weight unit of your measurement.
- Enter value: Type the weight you want to convert.
- View all conversions: All supported units update instantly.
- Copy result: Click any value to copy it to clipboard.
- Convert another: Change the value or unit for a new conversion.
❓ Frequently Asked Questions
1 kilogram = 2.20462 pounds. To convert kg to lbs, multiply by 2.205. To convert lbs to kg, divide by 2.205.
1 stone = 14 pounds = 6.35029 kilograms. Stones are primarily used in the UK and Ireland for body weight.
Multiply ounces by 28.3495. For example, 8 oz = 8 × 28.3495 = 226.8 grams.
Technically, mass measures the amount of matter (in kg), while weight is the force of gravity acting on mass (in Newtons). In everyday usage, they're used interchangeably.
Yes, 100% free with no account required.
For dry ingredients, grams and ounces are the most precise. Volume-based cooking measurements (cups, tablespoons) are best converted using an ingredient-specific converter.
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