Convert kilograms to pounds and ounces, or pounds and ounces to kilograms. It is the format used for baby birth weights in many countries.
Kilograms to pounds and ounces
Pounds and ounces to kilograms
Weight in pounds and ounces
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Pounds and ounces to kg
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How it works
One pound is 16 ounces and 0.45359237 kg. To convert kilograms, multiply by 2.20462 to get pounds, keep the whole pounds, and multiply the remainder by 16 for ounces. In reverse, kg = (pounds + ounces ÷ 16) × 0.45359237.
| Kilograms | Pounds and ounces |
|---|---|
| 2.5 kg | 5 lb 8.2 oz |
| 3 kg | 6 lb 9.8 oz |
| 3.4 kg | 7 lb 7.9 oz |
| 3.5 kg | 7 lb 11.5 oz |
| 4 kg | 8 lb 13.1 oz |
| 4.5 kg | 9 lb 14.7 oz |
| 5 kg | 11 lb 0.4 oz |
Example
A baby weighing 3.4 kg is 7 lb 7.9 oz. And 7 lb 8 oz is about 3.402 kg.
Frequently asked questions
How many ounces are in a pound?
16 ounces.
How many kg is 8 lb 6 oz?
About 3.799 kg.
Are baby weights measured in kg or lb?
It varies by country. Many hospitals record both.
More free tools: KG to pounds · Pounds to ounces · Unit converter · All free tools
Conversions use standard factors. Check critical measurements.