How to convert pounds to kilograms
Multiply pounds by 0.45359237. The international pound is defined as exactly 0.45359237 kilograms.
kg = lb × 0.453592371 lb = exactly 0.45359237 kg.
Convert 150 lb to kg
Apply the conversion rule to 150 pounds. Using the default settings, the result is 68.038856 kg.
lb to kg conversion table
These pre-calculated values use the same formula and default settings as the converter above.
| pounds (lb) | kilograms (kg) |
|---|---|
| 1 lb | 0.453592 kg |
| 2 lb | 0.907185 kg |
| 5 lb | 2.267962 kg |
| 10 lb | 4.535924 kg |
| 20 lb | 9.071847 kg |
| 25 lb | 11.339809 kg |
| 50 lb | 22.679619 kg |
| 75 lb | 34.019428 kg |
| 100 lb | 45.359237 kg |
| 125 lb | 56.699046 kg |
| 150 lb | 68.038856 kg |
| 200 lb | 90.718474 kg |
| 250 lb | 113.398093 kg |
Code and calculation snippets
Reuse the same conversion in a stylesheet or application. Keep contextual font sizes configurable when working with relative CSS units.
const kilograms = pounds * 0.45359237;kilograms = pounds * 0.45359237Using the result accurately
Use more decimal places for technical work and round only the final result. For everyday measurements, two or three decimal places are usually easier to read.
This converter uses the international avoirdupois pound, which is the pound commonly used for body weight and goods. It does not convert troy pounds or force units.
Reference: NIST Guide to the SI: conversion factors.