Pounds to Kilograms Converter: Simple and Accurate

Enter a value to convert

Conversion Formula

1 pound = 0.45359237 kilograms

Common Conversions

  • 1 lb = 0.45 kg
  • 10 lbs = 4.54 kg
  • 50 lbs = 22.68 kg
  • 100 lbs = 45.36 kg
  • 200 lbs = 90.72 kg

Convert pounds to kilograms with speed and accuracy. Type a value and see the result. It updates as you type. Switch to kilograms to pounds mode when you need the reverse.

How the Tool Works

This converter uses the exact international factor for mass. One pound equals 0.45359237 kilograms. Multiply a weight in pounds by 0.45359237 to get kilograms. Divide a weight in kilograms by 0.45359237 to get pounds. The result shows four decimal places for clarity.

You will see units written out on the result line. Pounds appear as lb or lbs and kilograms appear as kg.

Easy Interface, Big Benefits

You work with one input field and one switch button. Enter numbers in the field, decimals work too. The button flips between pounds to kilograms and kilograms to pounds. The title updates to match the current mode. The placeholder guides you with the right unit. The result appears below the field right away.

How to Use the Converter

Step 1: Type in Your Value

Click the input box and enter your number. The default mode is pounds to kilograms. Type a weight in pounds like 10 or 2.5 or 150. Decimals help with precise entries. Need kilograms to pounds first, press Switch. After you switch the placeholder asks for kilograms.

Step 2: Get Your Kilograms

Watch the result line update as you type. It shows a clear sentence with units. Example, 10 pounds equals 4.5359 kilograms. For kilograms to pounds you will see 5 kilograms equals 11.0231 pounds. Results use four decimals for quick checks. Clear the field to reset the message. Switching mode resets the input and result.

Why You’ll Appreciate This Tool

Perfect for Everyday Use

Use this for quick math and planning. Here are common cases.

Notes and limits

Final Thoughts

This pounds to kilograms converter saves time and cuts errors. Type once and read the answer at a glance. Below are quick references, rounded to two decimals.

Use the live result for more precision with four decimals.