Converting lbs to kg comes up constantly — checking body weight against a metric reference, converting shipping weight, or working through a product spec listed in pounds. This page covers exactly how many pounds are in a kilogram, the exact conversion formula, a full reference chart, and worked examples across commonly searched values. The reverse conversion is at kg to lbs. For other mass units, use the weight converter. Browse all converters if you need a different tool.
How to Convert LBS to KG
The Exact Conversion Factor
1 lb = 0.45359237 kg exactly
To convert lb to kg, multiply the pounds value by 0.45359237 (or divide by approximately 2.20462). This is the exact pound-to-kilogram standard this converter uses (NIST avoirdupois pound).
LBS to KG Conversion Chart
Reference Table: 10lbs to 220lbs
| Pounds | Kilograms |
|---|---|
| 10 lbs | 4.54 kg |
| 20 lbs | 9.07 kg |
| 30 lbs | 13.61 kg |
| 50 lbs | 22.68 kg |
| 78 lbs | 35.38 kg |
| 95 lbs | 43.09 kg |
| 110 lbs | 49.90 kg |
| 120 lbs | 54.43 kg |
| 125 lbs | 56.70 kg |
| 140 lbs | 63.50 kg |
| 150 lbs | 68.04 kg |
| 160 lbs | 72.57 kg |
| 170 lbs | 77.11 kg |
| 175 lbs | 79.38 kg |
| 180 lbs | 81.65 kg |
| 200 lbs | 90.72 kg |
| 220 lbs | 99.79 kg |
Worked Examples: Common Pounds to Kilos Conversions
Example: 150 lbs to kg
150 × 0.45359237 ≈ 68.04 kg
Example: 200 lbs to kg
200 × 0.45359237 ≈ 90.72 kg
Frequently Asked Questions
How do I convert lbs to kg?
Multiply the pounds value by 0.45359237. For example, 150 lbs converts to approximately 68.04 kg.
How many pounds are in a kilogram?
1 kilogram equals approximately 2.20462 pounds, the inverse of the 1 lb equals 0.45359237 kg conversion.
What is 200 lbs in kg?
200 lbs converts to approximately 90.72 kg.
What is 120 lbs in kg?
120 lbs converts to approximately 54.43 kg.
Is lb to kg different from lbs to kg?
No. Lb, singular, and lbs, the plural-style abbreviation, both refer to pounds, and the conversion factor is identical either way.
Is this the same as converting kg to lbs?
No, this is the reverse direction. For converting kg to lbs instead, the kg to lbs converter is built for that specifically.
Is this lbs to kg converter free to use?
Yes. It is free, requires no sign-up, and converts instantly.