290.45 kilos in pounds and ounces

Step-by-Step Conversion:

1. Convert kilos to total pounds:
   290.45 × 2.20462262185 = 640.333 pounds
2. Extract whole pounds:
   Whole pounds = 640
3. Calculate remaining ounces:
   Decimal part: 640.333 - 640
   Ounces = decimal × 16 = 5.3 ounces