lb to kg Converter

Convert pounds to kilograms accurately. 1 lb = 0.45359237 kg (exact).

Try it yourself

Weight & Mass Converter

Convert weight & mass units instantly

1 lb = 0.453592 kg
Live conversion result
How it works

Base unit: kg. Values convert via the base unit for this category.

Formula (scale-only): kg = lb × 0.453592
That is, multiply by 0.453592 to convert lb to kg.
Examples
  • 1 lb = 0.453592 kg
  • 5 lb = 2.26796 kg
Tips
  • 1 pound (avoirdupois) = 0.45359237 kg (exact).
  • 1 ounce (avoirdupois) = 28.349523125 g.

Popular conversions

lbkg
10.453592
52.26796
104.53592
10045.3592

Examples

  • 10 lb = 4.53592 kg
  • Common body weight example:150 lb = 68.0389 kg

How to convert

kg = lb × 0.453592. Multiply the value in lb by 0.453592 to get kg.

Related conversions

kg to lbsgrams to ouncesounces to gramskg to gg to kgkg to stn

FAQs

  • How many kilograms are in 1 pound?

    Exactly 0.45359237 kilograms.

  • What is the formula for lb to kg?

    kilograms = pounds × 0.45359237.

  • Why is 0.45359237 exact?

    The avoirdupois pound is defined exactly as 0.45359237 kilograms.