Weight Converter
Kg, lb, oz and more.
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About Weight Converter
The Weight Converter turns any value between milligrams, grams, kilograms, metric tons, ounces, pounds, and stone. Pick a value and your From and To units, and the converted result updates instantly along with a plain-English conversion sentence. A one-click swap button flips the units so you can reverse the conversion without retyping.
It is completely free with no sign-up, no ads, and no limits. Every calculation runs entirely in your browser using precise, standard conversion factors, so nothing you type is ever uploaded to a server.
Frequently asked questions
- Is the weight converter free to use?
- Yes. It is 100% free with no account, sign-up, or usage limits. You can convert as many weights as you like.
- Is my data uploaded or stored anywhere?
- No. All conversions happen locally in your browser using JavaScript. The numbers you enter never leave your device and are not sent to any server.
- Which weight units can I convert between?
- Milligrams (mg), grams (g), kilograms (kg), metric tons (t), ounces (oz), pounds (lb), and stone (st). You can convert between any two of these in either direction.
- How accurate are the conversions?
- It uses exact standard factors: 1 ounce = 28.349523125 grams, 1 pound = 453.59237 grams, and 1 stone = 6350.29318 grams. Every value is converted through grams for precise results.
- How many kilograms are in a pound?
- One pound equals about 0.4536 kilograms, and one kilogram equals about 2.2046 pounds. Enter your value and the tool shows the exact figure instantly.
- Can I use it on my phone?
- Yes. The converter is lightweight and works in any modern mobile or desktop browser, with a numeric keypad prompt for fast entry on phones.