Lbs to Kg
Type any weight in pounds to instantly see kilograms, or enter kg to get pounds back. Bidirectional, free, and precise to 4 decimal places.
How It Works
This converter uses the exact SI-defined conversion factor: 1 pound = 0.45359237 kg. Type any value in pounds and the kilograms field updates instantly — and vice versa. It works both ways with no mode switching needed.
Lbs to Kg Reference Table
Common weights converted for quick reference — body weight, gym lifts, and luggage limits.
When You Need Lbs to Kg
Related Converters & Tools
After converting your weight, check your BMI and Ideal Weight in the same unit. For shipping and courier use, also explore our Kg to Lbs and full Weight Converter Hub.
Common Questions
150 lbs = 68.04 kg. Use the formula: kg = lbs × 0.45359237. Our calculator shows this instantly as you type.
200 lbs = 90.72 kg. This is a common gym and bodyweight benchmark for athletes tracking progress in both imperial and metric systems.
70 kg = 154.32 lbs. To convert kg to lbs: multiply by 2.20462. Enter 70 in the Kilograms field and the pounds value appears instantly.
Yes. Type in either the lbs or kg field and the other updates automatically. No need to switch modes or reload the page.
1 pound = 0.4536 kg exactly (0.45359237 to full precision). This is the internationally agreed conversion factor since 1959.
Most international airlines use kilograms. Common limits are 20 kg (44 lbs) for economy class checked baggage and 7 kg (15 lbs) for carry-on.
Yes. Results are shown to 4 decimal places, which is more than sufficient for gym tracking, medical charts, and shipping calculations.