Pounds to Kilograms (lb to kg)
Convert pounds (lbs) to kilograms (kg) and vice versa. Instant, accurate weight conversion with conversion formula and table. Free online converter.
Weight Comparison
This mass is roughly equivalent to:
The Weight Conversion Logic
Converting between imperial and metric units requires fixed scaling factors defined by international standards.
What is a Pound?
A unit of mass in the Imperial system, used primarily in the US and UK. 'lb' comes from 'libra', the Latin word for scales.
What is a Kilogram?
The base unit of mass in the SI (Metric) system. It is used by almost every country globally for science and trade.
Mass Comparison Tables
Kg to Lbs
| KG | LBS |
|---|---|
| 1 kg | 2.205 lbs |
| 1.2 kg | 2.646 lbs |
| 1.5 kg | 3.307 lbs |
| 1.8 kg | 3.968 lbs |
| 2 kg | 4.409 lbs |
| 2.2 kg | 4.85 lbs |
| 2.5 kg | 5.512 lbs |
| 3 kg | 6.614 lbs |
| 3.5 kg | 7.716 lbs |
| 3.6 kg | 7.937 lbs |
| 4 kg | 8.818 lbs |
| 4.5 kg | 9.921 lbs |
| 5 kg | 11.02 lbs |
| 5.5 kg | 12.13 lbs |
| 6 kg | 13.23 lbs |
Lbs to Kg
| LBS | KG |
|---|---|
| 1 lb | 0.4536 kg |
| 2 lbs | 0.9072 kg |
| 3 lbs | 1.361 kg |
| 4 lbs | 1.814 kg |
| 5 lbs | 2.268 kg |
| 6 lbs | 2.722 kg |
| 7 lbs | 3.175 kg |
| 8 lbs | 3.629 kg |
| 9 lbs | 4.082 kg |
| 10 lbs | 4.536 kg |
| 11 lbs | 4.99 kg |
| 12 lbs | 5.443 kg |
| 13 lbs | 5.897 kg |
| 14 lbs | 6.35 kg |
| 15 lbs | 6.804 kg |
Common Questions
What is pound?
A pound is a unit of measurement of mass. A pound is indicated by the abbreviation lbs or lb.
What is meant by lbs?
Pound is expressed in lbs. Origin of the word is Latin which means libra meaning scale.
What is the SI unit of mass?
SI unit of mass is Kilogram.
What is the difference between mass and weight?
Mass is defined as the amount of matter in a body.
It is a constant and does not vary with location or gravity.
Unit of mass is kg / gm in metric system and pound in imperial system.
Weight is the amount of force acting on a body.
It is directly proportional to the mass and dependent on gravity.
So weight of a body varies and dependent on the gravity.
weight = mass x gravitational force (w = mg).
Unit of weight is Newtons .
Are pound and Kg units of mass or weight?
They are units of mass as per the definition.
Weight of an object varies with gravity.
However in common usage terms, where effect of gravity does not really impact, mass and weight are used interchangeably.
A human body of mass 60 Kg still has mass 60 Kg on moon.
but in terms of weight, on the moon, the same human body weighs 6 times lesser.
Which is bigger pound or kg?
A kilogram is bigger than a pound by 2.2 times 1 pound = 0.45 kg.
What are the other units of weight?
Ounce, Gram are used for measuring small weights.
1 pound = 16 ounce (oz)
1 kg = 1000 grams (gm)
Stone and Tons are bigger measures as compared to pound / kg
1 stone (st) = 14 pounds
1 ton (t) = 1000 kgs
What is 1000 kg called?
A Metric Tonne.
Is a Pound greater than 1/2 kg?
No, a pound is slightly lesser than 1/2 kg (0.5 kg). A pound is equal to 0.45 kg
Convert between pounds and kilograms instantly. Whether you're traveling, cooking, shipping packages, or working on fitness goals, this converter provides accurate weight conversions between imperial and metric systems.
How to Use
- Enter the weight value you want to convert
- Select whether you're converting from pounds to kg or kg to pounds
- View the instant conversion result
- Use the conversion table for common weights
- Copy the result for use in other applications
Features
- Bidirectional conversion (lbs ↔ kg)
- High precision calculations
- Conversion formula displayed
- Common conversion table included
- Handles decimal values
- Instant real-time conversion
Common Use Cases
- International travel and luggage weight limits
- Cooking and recipe conversions
- Fitness and weight tracking
- Shipping and package weight
- Medical dosage calculations
- Sports and athletics (weightlifting, boxing weight classes)
Tips & Best Practices
1 pound = 0.453592 kilograms (exact)
1 kilogram = 2.20462 pounds (exact)
For quick mental math: 1 kg ≈ 2.2 lbs
Most countries use kg, while US uses lbs
Airline baggage limits are often in kg internationally
