Lbs to KG Converter
Convert pounds to kilograms instantly — kilograms = pounds × 0.45359237 (exact)
1 lb = 0.45 kg(kilograms = pounds × 0.45359237 (exact))
Pounds to Kilograms conversion table
| Pounds (lb) | Kilograms (kg) |
|---|---|
| 1 | 0.45 |
| 2 | 0.91 |
| 5 | 2.27 |
| 10 | 4.54 |
| 20 | 9.07 |
| 50 | 22.68 |
| 100 | 45.36 |
| 120 | 54.43 |
| 140 | 63.5 |
| 150 | 68.04 |
| 160 | 72.57 |
| 180 | 81.65 |
| 200 | 90.72 |
| 220 | 99.79 |
How it works
Enter a value in pounds and it is converted to kilograms using the exact factor: kilograms = pounds × 0.45359237 (exact). The conversion also works in reverse — edit either field.
Lbs to KG formula
kilograms = pounds × 0.45359237 (exact)
- lb
- pounds
- kg
- kilograms
Worked example
- Convert 150 lbs to kg
- kilograms = pounds × 0.45359237 (exact)
150 × 0.45359237 ≈ 68.04 kg
Good to know
- The conversion factor is exact by definition (international yard and pound agreement, 1959) — rounding only comes from the decimals you keep.
- For the reverse conversion, see the KG to Lbs converter below.
Related Calculators
Frequently Asked Questions
How do I convert lbs to kg?
Multiply pounds by 0.45359237 — or for a quick estimate, halve the pounds and take off 10% of that: 200 lbs → 100 − 10 = 90 kg (true value 90.7 kg).
How many kg is 1 pound?
Exactly 0.45359237 kilograms — a bit under half a kilo.
What is 150 lbs in kg?
150 × 0.45359237 ≈ 68.0 kg.
Are lbs a unit of mass or weight?
The everyday pound (avoirdupois) is legally a unit of mass, like the kilogram — so the conversion holds anywhere. The separate "pound-force" is the force unit; bathroom scales labeled in lbs are effectively reporting mass.