Pounds to Kilograms Converter

Multiply pounds by 0.45359237 to get kilograms (or divide by about 2.2046).

1 lb = 0.45359237 kg

Formula

1 lb = 0.45359237 kg

kilograms = pounds × 0.45359237

Worked example

Convert 150 pounds to kilograms

  1. Multiply by 0.45359237
  2. 150 × 0.45359237 = 68.0389

150 lb = 68.0389 kg

Good to know

The abbreviation “lb” comes from the Latin libra; “lbs” is an informal plural. A 50 lb bag of flour or dog food is 22.68 kg. For a rough answer, halve the pounds and subtract 10% of the result: 150 lb → 75 − 7.5 = 67.5 kg (exact: 68.04).

Conversion table

Pounds to kilograms conversion table
Pounds (lb)Kilograms (kg)
10.453592
20.907185
52.26796
104.53592
209.07185
5022.6796
10045.3592
12054.4311
14063.5029
15068.0389
16072.5748
18081.6466
20090.7185
250113.398

About these units

Pound (lb)
The international avoirdupois pound: exactly 0.45359237 kg.
Kilogram (kg)
The SI base unit of mass, defined since 2019 through the Planck constant.