Kilogram ⇄ Pound Converter

Need to quickly convert weights between kilograms (kg) and pounds (lbs)? Our simple and accurate online converter provides instant two-way conversions. Ideal for fitness tracking, cooking recipes, travel preparations, or any situation where you need to switch between these common units of mass.

Convert Weight: Kilograms & Pounds

Conversion Factors Used:

1 kilogram (kg)2.20462262 pounds (lbs)
1 pound (lb)0.45359237 kilograms (kg)

How to Use the Kilogram ⇄ Pound Converter

  1. Enter Your Value:
    • To convert from kilograms to pounds, type the kilogram value into the "Kilograms (kg)" input box.
    • To convert from pounds to kilograms, type the pound value into the "Pounds (lbs)" input box.
  2. See Instant Results: As you type in one box, the converted value will automatically appear in the other box.
  3. Accuracy: The converter uses standard conversion factors for high accuracy. Results are typically displayed with a few decimal places.

If you enter a non-numeric or negative value, an error message will appear, and the other field will be cleared.

About Kilograms (kg) and Pounds (lbs)

Kilogram (kg): The kilogram is the base unit of mass in the International System of Units (SI). It is widely used worldwide for scientific, commercial, and everyday purposes. Originally defined based on a physical prototype, its definition has evolved to be based on fundamental physical constants.

Pound (lb): The pound (specifically the avoirdupois pound) is a unit of mass primarily used in the imperial and United States customary systems of measurement. One pound is legally defined as exactly 0.45359237 kilograms.

Understanding the conversion between these two units is essential in many fields, including:

  • Fitness & Health: Tracking body weight, lifting weights.
  • Cooking & Baking: Following recipes from different regions.
  • Travel: Understanding luggage weight restrictions.
  • Science & Engineering: Where both metric and imperial units might be encountered.
  • International Trade & Commerce.

Frequently Asked Questions (FAQ)

What is the exact conversion factor from kg to lbs?

1 kilogram is exactly equal to 2.20462262185 pounds (based on the definition of 1 lb = 0.45359237 kg). Our calculator uses a highly precise factor for conversion.

How many decimal places are the results shown to?

The results are typically displayed with up to three decimal places for practical accuracy, but the underlying calculation uses a more precise factor.

Can I convert other weight units like grams or ounces?

This specific tool is designed for direct conversion between kilograms and pounds. For other weight unit conversions (e.g., grams to ounces, stones to kilograms), you might need to use a more comprehensive weight converter tool or perform an additional calculation step (e.g., convert grams to kilograms first, then use this tool).

Is my input data saved?

No, all conversions are performed client-side within your browser. The values you enter are not sent to our servers or stored by us. Please see our Privacy Policy for more details.