Pound to Kilogram 转换器
Convert Pound (lb) to Kilogram (kg) instantly. 1 lb = 0.453592 kg.
Mass转换器
26个单位可用
1 lb = 0.453592 kg
公式：
kg = lb × 0.45359237With your value: 1 lb = 0.45359237 kg
How big is that?
Everyday references on a logarithmic scale, all expressed in pound so you can sanity-check the result.
Other Pound to Kilogram conversions
Pound to Kilogram 转换表
| Pound (lb) | Kilogram (kg) |
|---|---|
| 0.5 | 0.226796 |
| 1 | 0.453592 |
| 2 | 0.907185 |
| 5 | 2.267962 |
| 10 | 4.535924 |
| 15 | 6.803886 |
| 20 | 9.071847 |
| 25 | 11.339809 |
| 50 | 22.679619 |
| 100 | 45.359237 |
| 250 | 113.398093 |
| 500 | 226.796185 |
| 1000 | 453.59237 |
Kilogram to Pound 转换表
| Kilogram (kg) | Pound (lb) |
|---|---|
| 0.5 | 1.102311 |
| 1 | 2.204623 |
| 2 | 4.409245 |
| 5 | 11.023113 |
| 10 | 22.046226 |
| 15 | 33.069339 |
| 20 | 44.092452 |
| 25 | 55.115566 |
| 50 | 110.231131 |
| 100 | 220.462262 |
| 250 | 551.155655 |
| 500 | 1,102.311311 |
| 1000 | 2,204.622622 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Pound (lb)
Mass
1 avoirdupois pound = 0.453 592 37 kg exactly (1959 international agreement).
Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442
US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01
Kilogram (kg)
Mass
The kilogram is defined by taking the Planck constant to be exactly 6.626 070 15 × 10⁻³⁴ J·s.
Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)
Bureau International des Poids et Mesures · Reviewed 2026-07-01
How to Convert Pound to Kilogram
To convert from Pound (lb) to Kilogram (kg), multiply the value by 0.45359237.
公式： kg = lb × 0.45359237
反向： lb = kg × 2.2046226218
分步示例
- Start with your value in Pound. For example: 5 lb
- Multiply by the conversion factor: 5 x 0.45359237
- The result is: 2.267962 kg
关于Pound
The pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms. It is the primary unit of weight in the United States.
趣味事实： The abbreviation "lb" comes from the Latin "libra pondo" meaning "a pound by weight."
常见用途： body weight (US), food packaging, shipping.
关于Kilogram
The kilogram is the base unit of mass in the SI system. Since 2019, it is defined by the Planck constant rather than a physical artifact.
趣味事实： Until 2019, the kilogram was defined by a platinum-iridium cylinder kept in Paris, called "Le Grand K."
常见用途： body weight, cooking, shipping.
Frequently Asked Questions
How many Kilogram are in 1 Pound?
There are exactly 0.45359237 Kilogram in 1 Pound. This means the conversion factor from Pound to Kilogram is 0.45359237.
What is the formula to convert Pound to Kilogram?
The formula to convert Pound to Kilogram is: kg = lb × 0.45359237. For example, to convert 10 Pound to Kilogram, you would multiply 10 by 0.45359237.
What is a Pound?
The pound (lb) is an imperial unit of mass equal to exactly 0.45359237 kilograms. It is the primary unit of weight in the United States.
What is a Kilogram?
The kilogram is the base unit of mass in the SI system. Since 2019, it is defined by the Planck constant rather than a physical artifact.
What are the common uses of Pound?
The Pound is commonly used in body weight (US), food packaging, shipping.
相关Mass转换
Cite this page
UnitConvertLab. (2026). Pound to Kilogram converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/pound-to-kilogram