Pound to Kilogram Converter
Convert Pound (lb) to Kilogram (kg). Results update as you type, with a conversion table and the formula below.
1 lb =
0.453592 kg
lb to kg conversion table
| lb | kg |
|---|---|
| 1 | 0.453592 |
| 2 | 0.907185 |
| 3 | 1.3608 |
| 4 | 1.8144 |
| 5 | 2.268 |
| 6 | 2.7216 |
| 7 | 3.1751 |
| 8 | 3.6287 |
| 9 | 4.0823 |
| 10 | 4.5359 |
| 15 | 6.8039 |
| lb | kg |
|---|---|
| 20 | 9.0718 |
| 25 | 11.3398 |
| 30 | 13.6078 |
| 40 | 18.1437 |
| 50 | 22.6796 |
| 60 | 27.2155 |
| 70 | 31.7515 |
| 80 | 36.2874 |
| 90 | 40.8233 |
| 100 | 45.3592 |
How to use
- Type the lb value to convert.
- The result appears instantly in kg; the swap button reverses direction.
- For common values, check the conversion table below.
Frequently asked questions
How many kg is 1 lb?+
1 lb = 0.453592 kg. The table below lists the values you'll reach for most often.
How accurate are the results?+
The math uses internationally standardized definitions; only the display is rounded to significant digits. Accurate enough for school, work and daily life.
How do I convert kg back to lb?+
Hit the swap arrows in the middle of the converter above — the direction flips and your value is kept.
Is it really free?+
Yes. No sign-up, no install, no usage limits. The site is ad-supported.
Unit guide
The formula
1 lb equals 0.453592 kg — multiply a lb value by 0.453592 to get kg. Example: 5 lb × 0.453592 = 2.268 kg.
Going the other way, 1 kg = 2.2046 lb — multiply by 2.2046, or hit the swap button on the converter above.
When is this conversion needed?
Useful for gym plates, recipe ingredients, international shipping weights and body-weight figures in foreign articles.