Weight Converter
Convert weight and mass between kg, grams, pounds, ounces, stones and more.
Weight Converter
Welcome to our professional, free online Weight Converter tool. Whether you are cooking in the kitchen, calculating shipping weights, tracking your fitness journey, or studying science, converting units of mass quickly and accurately is essential. This tool allows seamless conversion between metric and imperial units including kilograms, grams, pounds, ounces, stones, metric tons, and micro-units.
What Is a Weight Converter?
A weight converter is a digital utility designed to translate a mass or weight measurement from one unit system to another. Weight measurement systems are generally divided into two main categories: the Metric System (used globally based on powers of ten, such as grams and kilograms) and the Imperial/US Customary System (commonly used in the United States and UK, featuring pounds, ounces, and stones).
How to Use This Weight Converter
Using our weight conversion tool is quick and intuitive:
- Enter the numeric value you wish to convert in the Enter Weight box.
- Select your starting unit from the From dropdown menu.
- Select your target unit from the To dropdown menu.
- The tool updates automatically as you type or change options, or you can click the Convert button.
- Use the Swap Units icon button to instantly reverse your conversion direction.
Common Weight Conversions
Here are some of the most frequently referenced weight equivalencies to help you quickly reference common conversions:
| Conversion | Equivalent Value |
|---|---|
| 1 kg | 1000 g |
| 1 kg | 2.20462 lb |
| 1 kg | 35.27396 oz |
| 1 lb | 453.59237 g |
| 1 lb | 0.453592 kg |
| 1 oz | 28.3495 g |
| 1 stone | 6.35029 kg |
| 1 metric ton | 1000 kg |
Kilograms to Pounds
The kilogram (kg) is the base unit of mass in the International System of Units (SI). The pound (lb) is widely used in the United States and British imperial systems. To convert kilograms to pounds, multiply the kilogram value by approximately 2.20462. For example, 10 kg equals roughly 22.0462 pounds.
Pounds to Kilograms
Conversely, converting pounds to kilograms requires dividing by 2.20462 or multiplying the pound value by 0.45359237. This relationship is standardized internationally, making precision calculations reliable across medical, culinary, and industrial applications.
Grams to Kilograms
Because the metric system relies entirely on decimal scaling, converting grams to kilograms is straightforward. Since 1 kilogram contains exactly 1,000 grams, you simply divide the number of grams by 1,000. For instance, 500 grams becomes 0.5 kilograms.
Ounces to Grams
Ounces are frequently used in baking and postal services. One international avoirdupois ounce is precisely equal to 28.349523125 grams. Multiplying your ounce value by this exact conversion factor yields precise metric gram outputs.
Frequently Asked Questions
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