Convert Pounds to Kilograms
Enter a finite pounds value for a local kilograms conversion. The result is rounded for display while the calculation uses the exact defined factor.
Uses exactly 1 lb = 0.45359237 kg.
A QUICK WALKTHROUGH
How to use this tool
- Enter a pounds value.
- Convert locally with 0.45359237.
- Read the kilograms result with sensible display precision.
Conversion factor
kg = lb × 0.45359237. The factor is exact for the international avoirdupois pound.
Input boundary
Finite numeric values are accepted, including zero and negative values for mathematical conversion. Extremely large values outside JavaScript finite range are rejected; this is not a weighing or health tool.
GOOD TO KNOW
Common questions
What factor is used?
One international pound equals exactly 0.45359237 kilograms.
Are negative values allowed?
Yes, as mathematical values; real-world mass readings should normally be non-negative.