Weight Converter — Free Online Tool
Kilograms ↔ pounds ↔ ounces ↔ grams
Convert between weight units: kilograms, pounds, ounces, grams, stones, tonnes. Instant, accurate, free.
📚 Learn more
Free weight & mass converter — metric and imperial
Toololis Weight Converter converts between 8 weight units — milligrams, grams, kilograms, metric tons, ounces, pounds, UK stones, and US short tons. Live conversion, no signup.
How to use this tool
- 1
Enter a value
Type in any of the weight fields.
- 2
All others update
Kilograms, pounds, ounces, grams, stones — all stay synchronized.
- 3
Copy values
Click any field to copy its value.
Common body weight references
- 50 kg
- = 110.23 lb = 7.87 stone
- 70 kg
- = 154.32 lb = 11.02 stone (avg adult)
- 80 kg
- = 176.37 lb = 12.60 stone
- 100 kg
- = 220.46 lb = 15.75 stone
Frequently Asked Questions
1 kg to pounds?
How many ounces in a pound?
What is a stone?
Metric ton vs short ton?
What's troy ounce?
Key Takeaways
- Weight Converter is a free, browser-based calculator tool — kilograms ↔ pounds ↔ ounces ↔ grams.
- No signup, no downloads, no file uploads — your data stays on your device.
- Works on desktop, tablet, and mobile. Install as a PWA for offline access.
How to Use Weight Converter
- Open the tool: Launch Weight Converter on Toololis — no account or download needed.
- Enter your data: Paste text, enter values, or select a file directly in your browser.
- Get instant results: Everything is processed locally — results appear immediately.
- Copy or download: Save your output or share it. Bookmark for quick access next time.
Weight Converter — Quick Facts
- Price
- Free — no limits, no watermarks, no paywalls
- Privacy
- 100% browser-based — no data is sent to any server
- Platform
- Any modern browser on desktop, tablet, or mobile
- Category
- Calculator Tools on Toololis
- Offline
- Works offline after first visit (Progressive Web App)
| Feature | Details |
|---|---|
| Tool | Weight Converter |
| Category | Calculator |
| Signup Required | No |
| File Upload | None — processed in browser |
| Mobile Support | Fully responsive |
| Cost | Free forever |
Why Use Weight Converter?
You should try Weight Converter for a quick, private way to kilograms ↔ pounds ↔ ounces ↔ grams. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.
On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.