Weight Converter - Free Online Weight Conversion Tool
Convert between different weight units instantly. Our free weight converter supports kilograms, pounds, grams, stones, ounces, and more. Get accurate conversions with step-by-step calculations.
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How to Use the Weight Converter
- Enter the weight value you want to convert in the input field
- Select the unit you're converting from (kg, lbs, grams, etc.)
- Choose the unit you want to convert to
- Click the "Convert" button to see the result
- Use the "Reset" button to clear all fields and start over
Our weight converter provides instant, accurate conversions between all major weight units used worldwide.
Supported Weight Units
Metric System:
- Kilograms (kg) - Base unit of mass in SI
- Grams (g) - 1/1000 of a kilogram
- Metric Tons (t) - 1000 kilograms
Imperial System:
- Pounds (lb) - Common weight unit in US
- Ounces (oz) - 1/16 of a pound
- Stones (st) - 14 pounds (UK)
- Short/Long Tons - Large weight measurements
Common Weight Conversion Formulas
Kilograms to Pounds:
Multiply by 2.20462
lb = kg × 2.20462
Pounds to Kilograms:
Divide by 2.20462
kg = lb ÷ 2.20462
Grams to Ounces:
Multiply by 0.035274
oz = g × 0.035274
Use Cases and Applications
Personal Use:
- Converting body weight between kg and lbs
- Cooking and recipe conversions
- Luggage weight for travel
- Fitness and health tracking
Professional Use:
- Scientific research and experiments
- Industrial manufacturing
- International trade and shipping
- Medical and pharmaceutical applications
Conversion Examples
70 kg to pounds: 70 × 2.20462 = 154.32 lbs
150 lbs to kg: 150 ÷ 2.20462 = 68.04 kg
500 grams to ounces: 500 × 0.035274 = 17.64 oz
10 stones to kg: 10 × 6.35029 = 63.50 kg
Frequently Asked Questions (FAQ)
How accurate is this weight converter?
Our weight converter uses precise conversion factors and provides results accurate to multiple decimal places. The calculations are based on internationally recognized standards.
What's the difference between mass and weight?
Mass is the amount of matter in an object and remains constant regardless of location. Weight is the force exerted by gravity on that mass and can vary depending on gravitational strength.
Can I convert between metric and imperial units?
Yes, our converter supports conversions between all metric units (kg, g, tons) and imperial units (lbs, oz, stones) seamlessly.
Is this tool free to use?
Absolutely! Our weight converter is completely free to use with no registration required. You can perform unlimited conversions.