Weight Converter
Transform weight measurements effortlessly between grams, ounces, pounds, kilograms, stones, and tons with industry-standard precision. Ideal for culinary professionals, shipping calculations, fitness tracking, and international weight standards with reliable metric-imperial conversions.
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What is Weight Converter?
The Weight Converter transforms weight measurements between kilograms, pounds, ounces, grams, and stones. These units are used across metric and imperial systems worldwide. You enter a value in one unit and see the equivalent in every other unit. All processing happens in the browser.
How does Weight Converter work?
This tool applies standard weight conversion factors: 1 kg = 2.20462 lbs = 35.274 oz = 1,000 g = 0.157473 stone. The tool normalizes to kilograms internally and converts to all other units.
Key Features
- Converts kg, lbs, oz, g, stone
- Shows all units at once
- Real-time conversion as you type
- Quick preset values
- Copy any value to clipboard
- Runs in the browser with no uploads
- Six decimal place precision
- Bidirectional conversion
Common Use Cases
Converting body weight for travel
Convert 70 kg to pounds (154.3 lbs) for a medical form.
Comparing product weights
Convert a 500 g package to pounds (1.1 lbs) for shipping.
UK weight notation
Convert 10 stone to kg (63.5 kg) to understand British weight measurements.
Cooking and recipes
Convert 8 oz to grams (226.8 g) for a recipe.
How to Use This Tool
Enter a value
Type the weight and select the source unit.
View all conversions
The tool shows the equivalent in all five units.
Copy a value
Copy the unit you need.
Pro Tips
- 1
1 kg = 2.20462 lbs. 1 lb = 453.592 g.
- 2
1 stone = 14 lbs = 6.35 kg. Stone is used in the UK for body weight.
- 3
1 oz = 28.3495 g.
- 4
For quick mental math: multiply kg by 2.2 for a rough lbs estimate.
Frequently Asked Questions
What units are supported?
Kilograms, pounds, ounces, grams, and stones.
What is a stone?
A stone is a British unit equal to 14 pounds or 6.35 kilograms. It is commonly used in the UK and Ireland for measuring body weight.
Is my data sent to a server?
No. All conversion happens in your browser. Nothing is transmitted.
How many pounds is 1 kg?
1 kilogram equals 2.20462 pounds.
Can I convert decimal values?
Yes. The tool accepts any positive number including decimals.