How to Convert Pounds to Kilograms
ToolPrime Team 2 min read
Converting pounds to kilograms is frequently needed for international shipping, fitness tracking, and scientific calculations. The kilogram is the base unit of mass in the International System of Units (SI).
1 Open the Unit Converter
Navigate to the Unit Converter and select the Weight category.
2 Select lbs to kg
Choose Pounds as the source and Kilograms as the target.
3 Enter the weight
Type the pound value. The kilogram result is shown instantly.
How It Works
The formula is: kg = lbs x 0.453592. For example, 150 lbs = 150 x 0.453592 = 68.04 kg. Quick mental math: divide by 2 and subtract 10% (150 / 2 = 75, 75 x 0.9 = 67.5 — close to actual 68.04).
Try it yourself
Open Unit Converter