Convert kg to lbs
Enter the value to convert from kilogram to pound.
OR
55 pounds 1.85 ounces
How to Convert Kilogram to Pound
Converting kilogram to pound is straightforward using our conversion calculator.
Conversion Formula
lb = kg × 2.20462262185Reverse conversion: Convert lbs to kg
Comparison: Kilogram vs Pound
When to Use Each Unit
Kilogram: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Pound: Primary weight unit in the United States for body weight, food packaging, and general mass measurements.
Common Conversion Values
- 1 kg = 1000 g
- 1 kg ≈ 2.205 lb
- 1 kg ≈ 35.27 oz
- 1 kg ≈ 0.157 stone
About Kilogram
Definition: The kilogram (symbol: kg) is the SI base unit of mass, defined by fixing the Planck constant to exactly 6.62607015 × 10⁻³⁴ J⋅s.
History: Originally defined in 1795 as the mass of one liter of water. Redefined in 2019 using fundamental physical constants.
Current Use: Universal standard for mass measurement in science, commerce, and daily life worldwide except in the United States.
Examples: Human weight: 50-100 kg, bag of flour: 1-5 kg, car weight: 1000-2000 kg, laptop: 1-3 kg
About Pound
Definition: The pound (symbol: lb) is an imperial unit of mass equal to approximately 453.6 grams, used primarily in the United States.
History: Derived from Roman "libra pondo" (pound weight). Standardized in 1959 as exactly 453.59237 grams internationally.
Current Use: Primary weight unit in the United States for body weight, food packaging, and general mass measurements.
Examples: Human weight: 100-250 lb, bag of sugar: 4 lb, newborn baby: 6-8 lb, turkey: 10-20 lb