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A simple and free online calculator to convert pounds (lbs) to kilograms (kg). Includes the formula and a handy conversion chart for travel, fitness, and scientific use.
Your Gym's New Weights Are in KG. How Much Are You Lifting?
Your Gym's New Weights Are in KG. How Much Are You Lifting?
You step up to the weight rack at the gym, ready to lift, but the kettlebells are marked 16 kg. Or you're at an airport in Europe, and the check-in agent tells you your bag is overweight because it's over the 23 kg limit.
If you're used to thinking in pounds (lbs), the metric system's kilograms (kg) can feel like a foreign language. Kilograms are the standard for measuring mass in most of the world, so being able to do a quick conversion is an incredibly handy skill for anyone who travels, works out, or follows international news.
When Do You Need to Convert Pounds to Kilograms?
When Do You Need to Convert Pounds to Kilograms?
This is an everyday conversion for many people:
Travel: Checking your luggage weight against international airline allowances.
Fitness & Sports: Converting your body weight or lifting amounts for training logs or competitions (e.g., Olympic weightlifting is in kg).
Science & Health: Using your weight in kilograms for scientific formulas or medical charts.
Online Shopping: Understanding product weights from international sellers.
How to Convert Pounds to Kilograms Instantly
How to Convert Pounds to Kilograms Instantly
Forget the complicated division. Get your answer in one second.
Open the Converter: Go to the FreeXTool Lbs to KG Converter.
Enter the Pounds: Type the number of pounds you want to convert.
Get the Result: The tool will immediately show you the equivalent mass in kilograms.
Quick Conversion Cheat Sheet
Quick Conversion Cheat Sheet
1 lb = ~0.45 kg
10 lbs = ~4.54 kg
25 lbs = ~11.34 kg
50 lbs = ~22.68 kg (just under the common airline limit!)
100 lbs = ~45.36 kg
220.5 lbs = ~100 kg
Pro-Tip: The Quick Mental Math Trick
Pro-Tip: The Quick Mental Math Trick
Need a rough estimate without a calculator? The formula is Pounds / 2.20462 = Kilograms. For a quick mental trick, just divide the pounds by 2, and then subtract 10% of that result. (Example: 100 lbs -> 100/2 = 50. 10% of 50 is 5. 50 - 5 = 45. The actual answer is 45.36 kg, so this gets you very close!)
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