Weight Converter
Convert among kilograms, grams, milligrams, tonnes, pounds, ounces, and stones.
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Formula
kg = lb × 0.45359237
Example
Example: convert 20 pounds to kilograms.
20 lb = 9.0718474 kg
Conversion table
| pounds (lb) | kilograms (kg) |
|---|---|
| 1 lb | 0.45359237 kg |
| 2 lb | 0.90718474 kg |
| 5 lb | 2.26796185 kg |
| 10 lb | 4.5359237 kg |
| 20 lb | 9.0718474 kg |
| 50 lb | 22.6796185 kg |
| 100 lb | 45.359237 kg |
Explanation
Pounds are commonly used in the United States for body weight and many products, while Kilograms are the metric unit of mass used worldwide.
How to convert pounds to kilograms
- Start with the value in pounds (lb).
- Multiply it by 0.45359237.
- The result is the measurement in kilograms (kg).
Example: 20 lb → 9.0718474 kg
Frequently Asked Questions
How much is 20 pounds in kilograms?
20 pounds is about 9.071847 kilograms.
How many kilograms is 1 pound?
1 pound equals 0.45359237 kilograms.
How many pounds is 1 kilogram?
1 kilogram is about 2.204623 pounds.
What is the difference between pounds and kilograms?
Both measure mass. The main difference is scale and common usage: {FromPlur} are commonly used in the US for body weight and many everyday weights; {ToPlur} are used worldwide as the SI standard (science, shipping, labels, and body weight).
Where are pounds and kilograms used?
In practice: {FromPlur} are commonly used in the US for body weight and many everyday weights; {ToPlur} are used worldwide as the SI standard (science, shipping, labels, and body weight).
Why does 1 pound equal 0.45359237 kilograms?
Because 1 pound is defined as exactly 0.45359237 kg.