1 lbs = 0.45 kg
1 pound is 0.45359237 kilograms exactly.
- Exact
- 0.45359237 kg
- Rounded
- 0.45 kg
- Formula
- 1 × 0.45359237
Convert any other weight
Type in either box; the other follows, and the scale moves with it. Works for decimals and, for temperatures, numbers below zero.
Around 1 lbs
Pounds to Kilograms for the whole numbers either side of 1, rounded to two decimal places. Each row opens its own page.
| Pounds | Kilograms |
|---|---|
| 1 lbs | 0.45 kg |
| 2 lbs | 0.91 kg |
| 3 lbs | 1.36 kg |
| 4 lbs | 1.81 kg |
| 5 lbs | 2.27 kg |
| 6 lbs | 2.72 kg |
How to convert pounds to kilograms
The formula
kg = lbs × 0.45359237. The factor is exact by definition, so the answer terminates.
Worked through for 1
Multiply 1 by 0.45359237. The result is 0.45359237 kg. Rounded, that is 0.45 kg.
In your head
Halve the pounds, then take away a tenth of that: 150 lbs → 75 − 7.5 = 67.5 kg.
Questions
How many kilograms is 1 lbs?
1 pound is 0.45359237 kilograms, or 0.45 kg rounded to two decimal places.
How do you convert pounds to kilograms?
Use 1 × 0.45359237, which gives 0.45359237. For a quick estimate: Halve the pounds, then take away a tenth of that: 150 lbs → 75 − 7.5 = 67.5 kg.
What is 1 lbs in stone?
1 lbs is 0 st 1 lb. A stone is 14 pounds; it is still used for body weight in the UK and Ireland.
What is 1 kg in pounds?
Going the other way, 1 kg is 2.2 lbs. The reverse conversion has its own page and converter.
Is the answer exact?
Yes. 1 lbs converts to exactly 0.45359237 kg; the rounded figure is only for convenience.