Weight Converter

Convert weight units: Kilograms, Pounds, Ounces, Grams, etc.

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Weight Converter: Kg, Lbs, Grams & Ounces

Instantly convert between different units of mass with our free Weight Converter. Whether you're following a recipe from another country, calculating shipping costs, tracking your fitness progress, or doing science homework, this tool makes unit conversion effortless. Support is included for Kilograms (kg), Pounds (lb), Grams (g), and Ounces (oz).

4-Way Conversion

Input a value in any unit and instantly see the equivalent in all other three units simultaneously.

Precision Accuracy

Get accurate results with up to 4 decimal places, perfect for baking and chemistry.

Mobile Friendly

Optimized for phones and tablets, so you can use it in the kitchen or at the gym.

Common Conversion Factors

  • 1 Kilogram (kg) = 2.20462 Pounds (lb)
  • 1 Pound (lb) = 0.453592 Kilograms (kg)
  • 1 Ounce (oz) = 28.3495 Grams (g)
  • 1 Kilogram = 1000 Grams
  • 1 Pound = 16 Ounces

Real-World Applications

Cooking & Baking

Convert flour or sugar measurements from US recipes (oz/lbs) to metric (g/kg).

Health & Fitness

Understand your body weight or dumbbell weights in your preferred unit.

Shipping & Postage

Calculate package weights to estimate mailing costs correctly.

Science & Education

Essential for physics and chemistry students working with mass calculations.

Frequently Asked Questions

What is the difference between mass and weight?

Scientifically, mass is the amount of matter (measured in kg), while weight is the force of gravity on that mass. However, in daily life, the terms are used interchangeably to mean mass.

How many grams are in an ounce?

There are approximately 28.35 grams in a standard avoirdupois ounce.

Is a Stone a real unit?

Yes, "Stone" is commonly used in the UK and Ireland for body weight. 1 Stone = 14 Pounds = 6.35 kg.