Weight Converter

Use this tool to convert between different units of weight and mass, such as kilograms, pounds, ounces, and more.

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Common Weight Conversions

kg to lbs kg → lbs
g to ounces g → oz
lbs to kg lbs → kg
oz to grams oz → g

What is Weight Conversion?

Weight conversion is the process of converting measurements of mass and weight from one unit to another. Our weight converter tool supports both metric and imperial systems, making it easy to switch between kilograms, grams, pounds, ounces, and tons. This is essential for cooking recipes, shipping calculations, fitness tracking, and international trade.

The metric system (SI units) is based on the kilogram and includes units like grams and milligrams. The imperial system, primarily used in the United States, includes pounds, ounces, and tons. Quick conversion between these systems is important for global commerce, scientific research, healthcare, and everyday applications like cooking and body weight tracking.

Simply enter your value in the "From" field, select the original unit, choose your target unit in the "To" field, and the converter will instantly display the converted result along with the conversion formula.

Weight Conversion Examples

Cooking Recipe Example

Converting ingredients from metric to imperial:

  • 500 grams = 1.102 pounds
  • 250 grams = 8.818 ounces
  • 1 kilogram = 2.205 pounds

Body Weight Example

Converting body weight measurements:

  • 70 kilograms = 154.32 pounds
  • 150 pounds = 68.04 kilograms
  • 180 pounds = 81.65 kilograms

Shipping Example

Converting package weights for international shipping:

  • 2.5 kilograms = 5.512 pounds
  • 10 pounds = 4.536 kilograms
  • 500 grams = 0.5 kilograms

Frequently Asked Questions

How many pounds are in a kilogram?

One kilogram equals approximately 2.205 pounds. This is a standard conversion used worldwide for weight measurements.

What is the difference between grams and ounces?

One ounce equals approximately 28.35 grams. Grams are part of the metric system, while ounces are part of the imperial system primarily used in the United States.

How do I convert pounds to kilograms?

To convert pounds to kilograms, divide the pound value by 2.205. For example, 100 pounds ÷ 2.205 = 45.36 kilograms.

How many grams are in a kilogram?

One kilogram equals exactly 1,000 grams. This is a standard metric conversion used for precise weight measurements.

What is the formula for converting ounces to grams?

To convert ounces to grams, multiply the ounce value by 28.35. For example, 10 ounces × 28.35 = 283.5 grams.